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District of Columbia

$150+ Cheap flights from Ottawa (YOW) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Ottawa to District of Columbia

Cheapest flights from Ottawa to District of Columbia
Explore the most affordable flight options available from Ottawa to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:30 pmYOW - IAD
Nonstop1h 52mUnited Airlines
Thu 11/208:45 amIAD - YOW
1 stop4h 47mUnited Airlines
Deal found 10/28$288
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:30 amYOW - DCA
Nonstop1h 49mAir Canada
Mon 12/812:55 pmDCA - YOW
Nonstop1h 35mAir Canada
Deal found 10/29$289
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
Sun 12/2811:40 amIAD - YOW
1 stop3h 24mPorter Airlines
Deal found 10/28$291
This SmartFares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
Sun 11/166:30 pmIAD - YOW
1 stop3h 59mPorter Airlines
Deal found 10/29$293
This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:30 amYOW - DCA
Nonstop1h 49mAir Canada
Sat 12/611:05 amDCA - YOW
1 stop5h 13mAir Canada
Deal found 10/30$294
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
Mon 11/176:30 pmIAD - YOW
1 stop3h 59mPorter Airlines
Deal found 10/29$299
This Air Canada deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:45 amYOW - DCA
1 stop4h 41mAir Canada
Sat 12/136:00 amDCA - YOW
1 stop3h 42mAir Canada
Deal found 10/30$299
This United deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:30 pmYOW - IAD
Nonstop1h 52mMultiple Airlines
Sat 12/136:00 amIAD - YOW
1 stop7h 36mMultiple Airlines
Deal found 10/28$302
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:05 pmYOW - DCA
1 stop5h 40mAir Canada
Wed 11/1912:55 pmDCA - YOW
Nonstop1h 35mAir Canada
Deal found 10/29$308
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:30 amYOW - DCA
Nonstop1h 49mAir Canada
Fri 11/2812:55 pmDCA - YOW
Nonstop1h 35mAir Canada
Deal found 10/29$310
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:30 amYOW - DCA
Nonstop1h 49mAir Canada
Wed 12/3111:05 amDCA - YOW
1 stop5h 43mAir Canada
Deal found 10/28$311
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:40 amYOW - IAD
1 stop3h 49mPorter Airlines
Sat 12/206:30 pmIAD - YOW
1 stop3h 59mPorter Airlines
Deal found 10/29$313

Cheap flight deals from Ottawa to District of Columbia

Keep the following information in mind while searching for Ottawa to District of Columbia flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$288
(Trip.com)

One-way from

$150
(Kiwi.com)

Popular in

October

Cheapest in

March

Average price

$539

Good round-trip deal

$420 or less

Good one-way deal

$257 or less
Provider with most accurate pricing for Ottawa-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. (WAS) flights.
Search Deals
From Ottawa to District of Columbia
Search Deals
One-way flight from Ottawa to District of Columbia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Ottawa to District of Columbia.
Search Deals
Price to beat on a one-way flight from Ottawa to District of Columbia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Ottawa to District of Columbia that are best for you.

Fly from

Ottawa

Fly to

District of Columbia

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 11/26

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 11/28

11:40 am-3:04 pm

1 stop3h 24m

$288

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 12/13

8:40 am-12:29 pm

1 stop3h 49m

Washington, D.C. Dulles Intl

Sat 12/20

11:40 am-3:04 pm

1 stop3h 24m

$288

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 12/5

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 12/8

12:55 pm-2:30 pm

Nonstop1h 35m

$289

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 1/26

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 2/6

12:55 pm-2:30 pm

Nonstop1h 35m

$289

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 1/16

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 1/19

12:55 pm-2:30 pm

Nonstop1h 35m

$289

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 2/13

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 2/15

12:55 pm-2:30 pm

Nonstop1h 35m

$289

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 12/11

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 12/18

6:00 am-11:18 am

1 stop5h 18m

$294

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 11/27

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Sat 12/6

11:05 am-4:18 pm

1 stop5h 13m

$294

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

7:00 am-10:24 am

1 stop3h 24m

Washington, D.C. Dulles Intl

Thu 2/5

11:40 am-5:29 pm

1 stop5h 49m

$311

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 2/25

7:00 am-10:24 am

1 stop3h 24m

Washington, D.C. Dulles Intl

Thu 2/26

11:40 am-3:04 pm

1 stop3h 24m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 32 results
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Best time to book a flight from Ottawa to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to District of Columbia

What is the cheapest month to book a flight from Ottawa to District of Columbia?

Currently, April is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of $70). Flying from Ottawa to District of Columbia in January is currently the most expensive (average of $242). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to DC?

Find hourly flight availability from Ottawa to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Ottawa to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the afternoon.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with Porter Airlines, United Airlines, and Air Canada from Ottawa to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,996 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,383 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to District of Columbia?

    Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to District of Columbia from Ottawa.

  • How long is the flight from Ottawa to District of Columbia?

    Porter Airlines and Air Canada can get you from Ottawa to District of Columbia in just under 1h 49m. Your travel time can differ by up to 1h 45m. Ottawa and District of Columbia are separated by a distance of 452 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Ottawa to District of Columbia?

    The top 3 most reliable airlines when flying from Ottawa to District of Columbia are GoJet (76%), Air Canada (76%) and United Airlines (76%).

  • What are the cheapest flights from Ottawa to District of Columbia?

    The cheapest flight price from Ottawa to District of Columbia is $181. On average you can expect to pay $482. The most popular route, (Ottawa - Washington, D.C. Dulles Intl), can usually be booked for $244.

  • Can I find deals for flights from Ottawa to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Ottawa to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to District of Columbia.

  • Can I find deals for business class flights from Ottawa to District of Columbia?

    Yes. Cheapflights offers flight deals from Ottawa to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to District of Columbia?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of $70). Flying from Ottawa to District of Columbia in January is currently the most expensive (average of $242). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ottawa to District of Columbia

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Top 3 airlines flying from Ottawa to District of Columbia

Discover the top 3 airlines that operate flights from Ottawa to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$197Average$307FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$281Average$443FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$284Average$453FlexibilityNo cancel feeOn-time67%

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