Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Ottawa to Washington is United Airlines.

  • United Airlines United Airlines
  • Air Canada Air Canada
  • Porter Airlines Porter Airlines
  • WestJet WestJet
  • Delta Air Lines Delta Air Lines
Cheapest Month November

Travel Period: October 2024 - September 2025

The cheapest month(s) to fly from Ottawa to Washington is November.

  • Oct 2024
  • Nov 2024
  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
Cheapest Day of the Week Friday

The cheapest day(s) of the week to fly from Ottawa to Washington is Friday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Mon, 2 Sep, 2024

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      • Availability
        • M
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      • 09:45 YOW
        11:27 IAD
        1Hrs, 42m Direct
      • YOWOttawa McDonald Cartier Intl Airport 09:45 - IAD 11:27 1h 42m Direct
      • YOWOttawa McDonald Cartier Intl Airport 09:45
      • IADWashington Dulles International Airport 11:27
      • 1h 42m
      • Direct
      • United Airlines (UA 4459)Canadair Regional Jet 550
      • United Airlines (UA 4459)
        • M
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        • T
        • F
        • S
        • S
      • Canadair Regional Jet 550
      • 10:40 YOW
        12:20 DCA
        1Hrs, 40m Direct
      • YOWOttawa McDonald Cartier Intl Airport 10:40 - DCA 12:20 1h 40m Direct
      • YOWOttawa McDonald Cartier Intl Airport 10:40
      • DCAWashington Ronald Reagan National Airport 12:20
      • 1h 40m
      • Direct
      • Air Canada (AC 8867)Canadair Regional
      • Air Canada (AC 8867)
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        • F
        • S
        • S
      • Canadair Regional
      • 14:50 YOW
        16:30 IAD
        1Hrs, 40m Direct
      • YOWOttawa McDonald Cartier Intl Airport 14:50 - IAD 16:30 1h 40m Direct
      • YOWOttawa McDonald Cartier Intl Airport 14:50
      • IADWashington Dulles International Airport 16:30
      • 1h 40m
      • Direct
      • United Airlines (UA 4441)Canadair Regional Jet 550
      • United Airlines (UA 4441)
        • M
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        • T
        • F
        • S
        • S
      • Canadair Regional Jet 550
      • 19:30 YOW
        21:12 IAD
        1Hrs, 42m Direct
      • YOWOttawa McDonald Cartier Intl Airport 19:30 - IAD 21:12 1h 42m Direct
      • YOWOttawa McDonald Cartier Intl Airport 19:30
      • IADWashington Dulles International Airport 21:12
      • 1h 42m
      • Direct
      • United Airlines (UA 4455)Canadair Regional Jet 550
      • United Airlines (UA 4455)
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        • F
        • -
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      • Canadair Regional Jet 550
      • 05:55 YOW
        11:26 IAD
        5Hrs, 31m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 05:55 - IAD 11:26 5h 31m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 05:55
        YULMontreal Pierre Elliott Trudeau Int Airport 09:30
      • YULMontreal Pierre Elliott Trudeau Int Airport 06:41
        IADWashington Dulles International Airport 11:26
      • 5h 31m (2h 49m)
      • 1 Stop YUL · Montréal 2h 49m
      • Air Canada (AC 2272)Dehavilland Dash 8 400
        United Airlines (UA 3590)Embraer 175
      • Air Canada (AC 2272)
        • M
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        • T
        • F
        • S
        • S
      • 05:55 YOW
        10:19 DCA
        4Hrs, 24m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 05:55 - DCA 10:19 4h 24m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 05:55
        YULMontreal Pierre Elliott Trudeau Int Airport 08:30
      • YULMontreal Pierre Elliott Trudeau Int Airport 06:41
        DCAWashington Ronald Reagan National Airport 10:19
      • 4h 24m (1h 49m)
      • 1 Stop YUL · Montréal 1h 49m
      • Air Canada (AC 2272)Dehavilland Dash 8 400
        Air Canada (AC 8821)Canadair Regional
      • Air Canada (AC 2272)
        • M
        • T
        • -
        • T
        • F
        • S
        • S
      • 06:05 YOW
        10:27 DCA
        4Hrs, 22m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 06:05 - DCA 10:27 4h 22m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 06:05
        EWRNewark Liberty International Airport 09:00
      • EWRNewark Liberty International Airport 07:37
        DCAWashington Ronald Reagan National Airport 10:27
      • 4h 22m (1h 23m)
      • 1 Stop EWR · New York City 1h 23m
      • United Airlines (UA 3609)Embraer 175
        United Airlines (UA 4444)Canadair Regional Jet 550
      • United Airlines (UA 3609)
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        • T
        • F
        • S
        • -
      • 06:30 YOW
        11:50 IAD
        5Hrs, 20m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 06:30 - IAD 11:50 5h 20m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 06:30
        ORDChicago O'Hare International Airport 08:50
      • ORDChicago O'Hare International Airport 07:58
        IADWashington Dulles International Airport 11:50
      • 5h 20m (52m)
      • 1 Stop ORD · Chicago 52m
      • United Airlines (UA 5970)Embraer 175
        United Airlines (UA 691)Boeing 737 Max 9 Passenger
      • United Airlines (UA 5970)
        • M
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        • -
        • -
        • -
        • -
      • 06:30 YOW
        11:45 IAD
        5Hrs, 15m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 06:30 - IAD 11:45 5h 15m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 06:30
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 07:58
        IADWashington Dulles International Airport 11:45
      • 5h 15m (47m)
      • 1 Stop ORD · Chicago 47m
      • United Airlines (UA 5970)Embraer 175
        United Airlines (UA 545)Boeing 737 900
      • United Airlines (UA 5970)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 06:30 YOW
        11:45 IAD
        5Hrs, 15m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 06:30 - IAD 11:45 5h 15m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 06:30
        ORDChicago O'Hare International Airport 08:45
      • ORDChicago O'Hare International Airport 07:58
        IADWashington Dulles International Airport 11:45
      • 5h 15m (47m)
      • 1 Stop ORD · Chicago 47m
      • United Airlines (UA 5970)Embraer 175
        United Airlines (UA 545)Boeing 737 Max 9 Passenger
      • United Airlines (UA 5970)
        • -
        • -
        • -
        • T
        • F
        • S
        • -
      • 07:10 YOW
        11:37 IAD
        4Hrs, 27m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 07:10 - IAD 11:37 4h 27m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 07:10
        YTZToronto City Centre Airport 10:10
      • YTZToronto City Centre Airport 08:14
        IADWashington Dulles International Airport 11:37
      • 4h 27m (1h 56m)
      • 1 Stop YTZ · Toronto 1h 56m
      • Porter Airlines (PD 2206)Dehavilland Dash 8 400
        Porter Airlines (PD 2719)Dehavilland Dash 8 400
      • Porter Airlines (PD 2206)
        • M
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        • W
        • T
        • F
        • -
        • -
      • 07:10 YOW
        11:35 IAD
        4Hrs, 25m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 07:10 - IAD 11:35 4h 25m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 07:10
        YYZToronto Lester B Pearson Intl Airport 10:00
      • YYZToronto Lester B Pearson Intl Airport 08:22
        IADWashington Dulles International Airport 11:35
      • 4h 25m (1h 38m)
      • 1 Stop YYZ · Toronto 1h 38m
      • Air Canada (AC 443)Boeing 737 Max 8 Passenger
        United Airlines (UA 3416)Embraer 175
      • Air Canada (AC 443)
        • M
        • T
        • W
        • -
        • F
        • S
        • S
      • 07:10 YOW
        11:35 IAD
        4Hrs, 25m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 07:10 - IAD 11:35 4h 25m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 07:10
        YYZToronto Lester B Pearson Intl Airport 10:00
      • YYZToronto Lester B Pearson Intl Airport 08:22
        IADWashington Dulles International Airport 11:35
      • 4h 25m (1h 38m)
      • 1 Stop YYZ · Toronto 1h 38m
      • Air Canada (AC 443)Airbus
        United Airlines (UA 3416)Embraer 175
      • Air Canada (AC 443)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 08:35 YOW
        13:22 IAD
        4Hrs, 47m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 08:35 - IAD 13:22 4h 47m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 08:35
        YTZToronto City Centre Airport 11:55
      • YTZToronto City Centre Airport 09:39
        IADWashington Dulles International Airport 13:22
      • 4h 47m (2h 16m)
      • 1 Stop YTZ · Toronto 2h 16m
      • Porter Airlines (PD 2210)Dehavilland Dash 8 400
        Porter Airlines (PD 2723)Dehavilland Dash 8 400
      • Porter Airlines (PD 2210)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 08:45 YOW
        12:07 IAD
        3Hrs, 22m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 08:45 - IAD 12:07 3h 22m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 08:45
        YTZToronto City Centre Airport 10:40
      • YTZToronto City Centre Airport 09:49
        IADWashington Dulles International Airport 12:07
      • 3h 22m (51m)
      • 1 Stop YTZ · Toronto 51m
      • Porter Airlines (PD 2210)Dehavilland Dash 8 400
        Porter Airlines (PD 2721)Dehavilland Dash 8 400
      • Porter Airlines (PD 2210)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 10:00 YOW
        15:18 IAD
        5Hrs, 18m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 10:00 - IAD 15:18 5h 18m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 10:00
        YYZToronto Lester B Pearson Intl Airport 13:45
      • YYZToronto Lester B Pearson Intl Airport 11:08
        IADWashington Dulles International Airport 15:18
      • 5h 18m (2h 37m)
      • 1 Stop YYZ · Toronto 2h 37m
      • Air Canada (AC 449)Airbus
        Air Canada (AC 8618)Canadair Regional
      • Air Canada (AC 449)
        • -
        • T
        • W
        • T
        • F
        • -
        • S
      • 10:10 YOW
        13:22 IAD
        3Hrs, 12m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 10:10 - IAD 13:22 3h 12m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 10:10
        YTZToronto City Centre Airport 11:55
      • YTZToronto City Centre Airport 11:14
        IADWashington Dulles International Airport 13:22
      • 3h 12m (41m)
      • 1 Stop YTZ · Toronto 41m
      • Porter Airlines (PD 2216)Dehavilland Dash 8 400
        Porter Airlines (PD 2723)Dehavilland Dash 8 400
      • Porter Airlines (PD 2216)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:00 YOW
        15:59 DCA
        4Hrs, 59m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 11:00 - DCA 15:59 4h 59m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 11:00
        YULMontreal Pierre Elliott Trudeau Int Airport 14:10
      • YULMontreal Pierre Elliott Trudeau Int Airport 11:46
        DCAWashington Ronald Reagan National Airport 15:59
      • 4h 59m (2h 24m)
      • 1 Stop YUL · Montréal 2h 24m
      • Air Canada (AC 8006)Dehavilland Dash 8 400
        Air Canada (AC 8823)Canadair Regional
      • Air Canada (AC 8006)
        • M
        • T
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        • T
        • F
        • S
        • S
      • 11:00 YOW
        15:53 IAD
        4Hrs, 53m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 11:00 - IAD 15:53 4h 53m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 11:00
        YULMontreal Pierre Elliott Trudeau Int Airport 13:57
      • YULMontreal Pierre Elliott Trudeau Int Airport 11:46
        IADWashington Dulles International Airport 15:53
      • 4h 53m (2h 11m)
      • 1 Stop YUL · Montréal 2h 11m
      • Air Canada (AC 8006)Dehavilland Dash 8 400
        United Airlines (UA 3414)Embraer 175
      • Air Canada (AC 8006)
        • M
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        • T
        • F
        • S
        • S
      • 11:20 YOW
        16:57 DCA
        5Hrs, 37m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 11:20 - DCA 16:57 5h 37m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 11:20
        ORDChicago O'Hare International Airport 14:00
      • ORDChicago O'Hare International Airport 12:37
        DCAWashington Ronald Reagan National Airport 16:57
      • 5h 37m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 5971)Embraer 175
        United Airlines (UA 2640)Airbus
      • United Airlines (UA 5971)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:20 YOW
        16:25 IAD
        5Hrs, 05m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 11:20 - IAD 16:25 5h 05m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 11:20
        ORDChicago O'Hare International Airport 13:26
      • ORDChicago O'Hare International Airport 12:37
        IADWashington Dulles International Airport 16:25
      • 5h 05m (49m)
      • 1 Stop ORD · Chicago 49m
      • United Airlines (UA 5971)Embraer 175
        United Airlines (UA 1830)Boeing 737 800
      • United Airlines (UA 5971)
        • -
        • -
        • -
        • T
        • F
        • S
        • S
      • 11:25 YOW
        17:02 DCA
        5Hrs, 37m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 11:25 - DCA 17:02 5h 37m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 11:25
        ORDChicago O'Hare International Airport 14:05
      • ORDChicago O'Hare International Airport 12:42
        DCAWashington Ronald Reagan National Airport 17:02
      • 5h 37m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 5971)Embraer 175
        United Airlines (UA 2640)Airbus
      • United Airlines (UA 5971)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 11:30 YOW
        15:52 IAD
        4Hrs, 22m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 11:30 - IAD 15:52 4h 22m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 11:30
        YTZToronto City Centre Airport 14:25
      • YTZToronto City Centre Airport 12:34
        IADWashington Dulles International Airport 15:52
      • 4h 22m (1h 51m)
      • 1 Stop YTZ · Toronto 1h 51m
      • Porter Airlines (PD 2224)Dehavilland Dash 8 400
        Porter Airlines (PD 2725)Dehavilland Dash 8 400
      • Porter Airlines (PD 2224)
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 11:30 YOW
        16:02 IAD
        4Hrs, 32m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 11:30 - IAD 16:02 4h 32m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 11:30
        YTZToronto City Centre Airport 14:35
      • YTZToronto City Centre Airport 12:34
        IADWashington Dulles International Airport 16:02
      • 4h 32m (2h 01m)
      • 1 Stop YTZ · Toronto 2h 01m
      • Porter Airlines (PD 2224)Dehavilland Dash 8 400
        Porter Airlines (PD 2725)Dehavilland Dash 8 400
      • Porter Airlines (PD 2224)
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 12:00 YOW
        16:20 IAD
        4Hrs, 20m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 12:00 - IAD 16:20 4h 20m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 12:00
        YYZToronto Lester B Pearson Intl Airport 14:45
      • YYZToronto Lester B Pearson Intl Airport 13:08
        IADWashington Dulles International Airport 16:20
      • 4h 20m (1h 37m)
      • 1 Stop YYZ · Toronto 1h 37m
      • Air Canada (AC 453)Airbus
        United Airlines (UA 3637)Embraer 175
      • Air Canada (AC 453)
        • M
        • T
        • -
        • -
        • -
        • -
        • -
      • 12:00 YOW
        16:20 IAD
        4Hrs, 20m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 12:00 - IAD 16:20 4h 20m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 12:00
        YYZToronto Lester B Pearson Intl Airport 14:45
      • YYZToronto Lester B Pearson Intl Airport 13:08
        IADWashington Dulles International Airport 16:20
      • 4h 20m (1h 37m)
      • 1 Stop YYZ · Toronto 1h 37m
      • Air Canada (AC 453)Airbus A220 300
        United Airlines (UA 3637)Embraer 175
      • Air Canada (AC 453)
        • -
        • -
        • -
        • T
        • F
        • S
        • S
      • 12:00 YOW
        16:20 IAD
        4Hrs, 20m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 12:00 - IAD 16:20 4h 20m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 12:00
        YYZToronto Lester B Pearson Intl Airport 14:45
      • YYZToronto Lester B Pearson Intl Airport 13:08
        IADWashington Dulles International Airport 16:20
      • 4h 20m (1h 37m)
      • 1 Stop YYZ · Toronto 1h 37m
      • Air Canada (AC 453)Airbus
        United Airlines (UA 3637)Embraer 175
      • Air Canada (AC 453)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 12:30 YOW
        17:02 IAD
        4Hrs, 32m 1 Stop (YTZ)
      • YOWOttawa McDonald Cartier Intl Airport 12:30 - IAD 17:02 4h 32m 1 Stop (YTZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 12:30
        YTZToronto City Centre Airport 15:35
      • YTZToronto City Centre Airport 13:34
        IADWashington Dulles International Airport 17:02
      • 4h 32m (2h 01m)
      • 1 Stop YTZ · Toronto 2h 01m
      • Porter Airlines (PD 2226)Dehavilland Dash 8 400
        Porter Airlines (PD 2725)Dehavilland Dash 8 400
      • Porter Airlines (PD 2226)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 13:25 YOW
        17:25 IAD
        4Hrs, 00m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 13:25 - IAD 17:25 4h 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 13:25
        YULMontreal Pierre Elliott Trudeau Int Airport 15:29
      • YULMontreal Pierre Elliott Trudeau Int Airport 14:11
        IADWashington Dulles International Airport 17:25
      • 4h (1h 18m)
      • 1 Stop YUL · Montréal 1h 18m
      • Air Canada (AC 8008)Dehavilland Dash 8 400
        United Airlines (UA 3691)Embraer 170
      • Air Canada (AC 8008)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 13:34 YOW
        17:59 DCA
        4Hrs, 25m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 13:34 - DCA 17:59 4h 25m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 13:34
        EWRNewark Liberty International Airport 16:39
      • EWRNewark Liberty International Airport 15:23
        DCAWashington Ronald Reagan National Airport 17:59
      • 4h 25m (1h 16m)
      • 1 Stop EWR · New York City 1h 16m
      • United Airlines (UA 3527)Embraer 175
        United Airlines (UA 4443)Canadair Regional Jet 550
      • United Airlines (UA 3527)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 13:34 YOW
        19:03 DCA
        5Hrs, 29m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 13:34 - DCA 19:03 5h 29m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 13:34
        EWRNewark Liberty International Airport 17:35
      • EWRNewark Liberty International Airport 15:23
        DCAWashington Ronald Reagan National Airport 19:03
      • 5h 29m (2h 12m)
      • 1 Stop EWR · New York City 2h 12m
      • United Airlines (UA 3527)Embraer 175
        United Airlines (UA 4485)Canadair Regional Jet 550
      • United Airlines (UA 3527)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 13:35 YOW
        19:03 DCA
        5Hrs, 28m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 13:35 - DCA 19:03 5h 28m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 13:35
        EWRNewark Liberty International Airport 17:35
      • EWRNewark Liberty International Airport 15:24
        DCAWashington Ronald Reagan National Airport 19:03
      • 5h 28m (2h 11m)
      • 1 Stop EWR · New York City 2h 11m
      • United Airlines (UA 3527)Embraer 175
        United Airlines (UA 4485)Canadair Regional Jet 550
      • United Airlines (UA 3527)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 13:35 YOW
        19:03 DCA
        5Hrs, 28m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 13:35 - DCA 19:03 5h 28m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 13:35
        EWRNewark Liberty International Airport 17:35
      • EWRNewark Liberty International Airport 15:24
        DCAWashington Ronald Reagan National Airport 19:03
      • 5h 28m (2h 11m)
      • 1 Stop EWR · New York City 2h 11m
      • United Airlines (UA 3527)Embraer 170
        United Airlines (UA 4485)Canadair Regional Jet 550
      • United Airlines (UA 3527)
        • -
        • -
        • -
        • -
        • F
        • S
        • S
      • 13:35 YOW
        17:51 DCA
        4Hrs, 16m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 13:35 - DCA 17:51 4h 16m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 13:35
        EWRNewark Liberty International Airport 16:30
      • EWRNewark Liberty International Airport 15:24
        DCAWashington Ronald Reagan National Airport 17:51
      • 4h 16m (1h 06m)
      • 1 Stop EWR · New York City 1h 06m
      • United Airlines (UA 3527)Embraer 175
        United Airlines (UA 4443)Canadair Regional Jet 550
      • United Airlines (UA 3527)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 13:35 YOW
        17:51 DCA
        4Hrs, 16m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 13:35 - DCA 17:51 4h 16m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 13:35
        EWRNewark Liberty International Airport 16:30
      • EWRNewark Liberty International Airport 15:24
        DCAWashington Ronald Reagan National Airport 17:51
      • 4h 16m (1h 06m)
      • 1 Stop EWR · New York City 1h 06m
      • United Airlines (UA 3527)Embraer 170
        United Airlines (UA 4443)Canadair Regional Jet 550
      • United Airlines (UA 3527)
        • -
        • -
        • -
        • -
        • F
        • S
        • S
      • 14:00 YOW
        18:05 DCA
        4Hrs, 05m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 14:00 - DCA 18:05 4h 05m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 14:00
        YYZToronto Lester B Pearson Intl Airport 16:30
      • YYZToronto Lester B Pearson Intl Airport 15:08
        DCAWashington Ronald Reagan National Airport 18:05
      • 4h 05m (1h 22m)
      • 1 Stop YYZ · Toronto 1h 22m
      • Air Canada (AC 457)Airbus
        Air Canada (AC 8782)Canadair Regional
      • Air Canada (AC 457)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 14:00 YOW
        18:05 DCA
        4Hrs, 05m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 14:00 - DCA 18:05 4h 05m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 14:00
        YYZToronto Lester B Pearson Intl Airport 16:30
      • YYZToronto Lester B Pearson Intl Airport 15:08
        DCAWashington Ronald Reagan National Airport 18:05
      • 4h 05m (1h 22m)
      • 1 Stop YYZ · Toronto 1h 22m
      • Air Canada (AC 457)Airbus A220 300
        Air Canada (AC 8782)Canadair Regional
      • Air Canada (AC 457)
        • -
        • -
        • W
        • T
        • F
        • -
        • -
      • 14:00 YOW
        18:05 DCA
        4Hrs, 05m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 14:00 - DCA 18:05 4h 05m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 14:00
        YYZToronto Lester B Pearson Intl Airport 16:30
      • YYZToronto Lester B Pearson Intl Airport 15:08
        DCAWashington Ronald Reagan National Airport 18:05
      • 4h 05m (1h 22m)
      • 1 Stop YYZ · Toronto 1h 22m
      • Air Canada (AC 457)Airbus
        Air Canada (AC 8782)Canadair Regional
      • Air Canada (AC 457)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 15:30 YOW
        20:31 IAD
        5Hrs, 01m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 15:30 - IAD 20:31 5h 01m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 15:30
        YULMontreal Pierre Elliott Trudeau Int Airport 18:40
      • YULMontreal Pierre Elliott Trudeau Int Airport 16:17
        IADWashington Dulles International Airport 20:31
      • 5h 01m (2h 23m)
      • 1 Stop YUL · Montréal 2h 23m
      • Air Canada (AC 8012)Canadair Regional
        Air Canada (AC 8725)Canadair Regional
      • Air Canada (AC 8012)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 17:00 YOW
        21:21 IAD
        4Hrs, 21m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:00 - IAD 21:21 4h 21m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:00
        YYZToronto Lester B Pearson Intl Airport 19:43
      • YYZToronto Lester B Pearson Intl Airport 18:08
        IADWashington Dulles International Airport 21:21
      • 4h 21m (1h 35m)
      • 1 Stop YYZ · Toronto 1h 35m
      • Air Canada (AC 463)Airbus
        United Airlines (UA 3466)Embraer 175
      • Air Canada (AC 463)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 17:00 YOW
        21:21 IAD
        4Hrs, 21m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:00 - IAD 21:21 4h 21m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:00
        YYZToronto Lester B Pearson Intl Airport 19:43
      • YYZToronto Lester B Pearson Intl Airport 18:08
        IADWashington Dulles International Airport 21:21
      • 4h 21m (1h 35m)
      • 1 Stop YYZ · Toronto 1h 35m
      • Air Canada (AC 463)Airbus
        United Airlines (UA 3466)Embraer 175
      • Air Canada (AC 463)
        • -
        • T
        • W
        • T
        • F
        • S
        • S
      • 17:00 YOW
        22:35 DCA
        5Hrs, 35m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:00 - DCA 22:35 5h 35m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:00
        YYZToronto Lester B Pearson Intl Airport 21:00
      • YYZToronto Lester B Pearson Intl Airport 18:08
        DCAWashington Ronald Reagan National Airport 22:35
      • 5h 35m (2h 52m)
      • 1 Stop YYZ · Toronto 2h 52m
      • Air Canada (AC 463)Airbus
        Air Canada (AC 8786)Canadair Regional
      • Air Canada (AC 463)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 17:00 YOW
        22:35 DCA
        5Hrs, 35m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:00 - DCA 22:35 5h 35m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:00
        YYZToronto Lester B Pearson Intl Airport 21:00
      • YYZToronto Lester B Pearson Intl Airport 18:08
        DCAWashington Ronald Reagan National Airport 22:35
      • 5h 35m (2h 52m)
      • 1 Stop YYZ · Toronto 2h 52m
      • Air Canada (AC 463)Airbus
        Air Canada (AC 8786)Canadair Regional
      • Air Canada (AC 463)
        • -
        • T
        • W
        • T
        • F
        • S
        • S
      • 17:25 YOW
        22:43 DCA
        5Hrs, 18m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 17:25 - DCA 22:43 5h 18m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 17:25
        ORDChicago O'Hare International Airport 19:45
      • ORDChicago O'Hare International Airport 18:47
        DCAWashington Ronald Reagan National Airport 22:43
      • 5h 18m (58m)
      • 1 Stop ORD · Chicago 58m
      • United Airlines (UA 3409)Embraer 175
        United Airlines (UA 734)Boeing 737 700
      • United Airlines (UA 3409)
        • M
        • T
        • W
        • -
        • -
        • -
        • -
      • 17:30 YOW
        22:43 DCA
        5Hrs, 13m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 17:30 - DCA 22:43 5h 13m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 17:30
        ORDChicago O'Hare International Airport 19:45
      • ORDChicago O'Hare International Airport 18:52
        DCAWashington Ronald Reagan National Airport 22:43
      • 5h 13m (53m)
      • 1 Stop ORD · Chicago 53m
      • United Airlines (UA 3409)Embraer 175
        United Airlines (UA 734)Airbus
      • United Airlines (UA 3409)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 17:30 YOW
        22:43 DCA
        5Hrs, 13m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 17:30 - DCA 22:43 5h 13m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 17:30
        ORDChicago O'Hare International Airport 19:45
      • ORDChicago O'Hare International Airport 18:52
        DCAWashington Ronald Reagan National Airport 22:43
      • 5h 13m (53m)
      • 1 Stop ORD · Chicago 53m
      • United Airlines (UA 3409)Embraer 175
        United Airlines (UA 734)Boeing 737 700
      • United Airlines (UA 3409)
        • -
        • -
        • -
        • T
        • F
        • -
        • S
      • 17:59 YOW
        22:00 IAD
        4Hrs, 01m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 17:59 - IAD 22:00 4h 01m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 17:59
        EWRNewark Liberty International Airport 20:37
      • EWRNewark Liberty International Airport 19:48
        IADWashington Dulles International Airport 22:00
      • 4h 01m (49m)
      • 1 Stop EWR · New York City 49m
      • United Airlines (UA 3477)Embraer 170
        United Airlines (UA 1386)Boeing 737 Max 8 Passenger
      • United Airlines (UA 3477)
        • M
        • -
        • W
        • -
        • -
        • -
        • -
      • 17:59 YOW
        22:18 IAD
        4Hrs, 19m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 17:59 - IAD 22:18 4h 19m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 17:59
        EWRNewark Liberty International Airport 20:55
      • EWRNewark Liberty International Airport 19:48
        IADWashington Dulles International Airport 22:18
      • 4h 19m (1h 07m)
      • 1 Stop EWR · New York City 1h 07m
      • United Airlines (UA 3477)Embraer 170
        United Airlines (UA 1386)Boeing 737 Max 9 Passenger
      • United Airlines (UA 3477)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 18:00 YOW
        21:56 IAD
        3Hrs, 56m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 18:00 - IAD 21:56 3h 56m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 18:00
        EWRNewark Liberty International Airport 20:35
      • EWRNewark Liberty International Airport 19:49
        IADWashington Dulles International Airport 21:56
      • 3h 56m (46m)
      • 1 Stop EWR · New York City 46m
      • United Airlines (UA 3477)Embraer 175
        United Airlines (UA 1386)Boeing 737 900
      • United Airlines (UA 3477)
        • -
        • -
        • -
        • T
        • F
        • -
        • S
      • 18:00 YOW
        22:18 IAD
        4Hrs, 18m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 18:00 - IAD 22:18 4h 18m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 18:00
        EWRNewark Liberty International Airport 20:57
      • EWRNewark Liberty International Airport 19:49
        IADWashington Dulles International Airport 22:18
      • 4h 18m (1h 08m)
      • 1 Stop EWR · New York City 1h 08m
      • United Airlines (UA 3477)Embraer 175
        United Airlines (UA 1386)Boeing 737 700
      • United Airlines (UA 3477)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
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      What’s the fastest flight time from Ottawa to Washington?

      The fastest flight time for direct flights from Ottawa to Washington is 1 hour 40 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from Ottawa to Washington?

      The most popular airline flying from Ottawa to Washington is United Airlines. Find the latest flight deals on Wego.

      How far is Washington from Ottawa?

      The flight distance between Ottawa and Washington is 733km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:55. The last flight of the day departs at 05:55. See the full list of flight times on Wego.

      How many airlines offer direct flights from Ottawa to Washington?

      There are 2 airlines that offer direct flights from Ottawa to Washington. Find out the list of airlines on Wego.

      Popular Airlines flying from Ottawa to Washington

      United Airlines ‏()

      Popular Destinations from Washington

      Popular Destinations from Ottawa

      Popular Hotels in Washington

      Hotels In Popular Destinations