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District of Columbia

Cheap flights from Ottawa (YOW) to District of Columbia - Compare and Save

YOW — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$303
(United Airlines)

One-way from

$167
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$476

Good round-trip deal

$284 or less

Good one-way deal

$195 or less
From Ottawa to District of Columbia
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One-way flight from Ottawa to District of Columbia
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Highest demand for flights based on searches. 14% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Ottawa to District of Columbia.
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Price to beat on a one-way flight from Ottawa to District of Columbia.
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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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 10/35:50 pmYOW - IAD
1 stop4h 43mUnited Airlines
Sat 10/48:16 amIAD - YOW
Nonstop1h 42mUnited Airlines
Deal found 9/12$303
This Trip.com deal was found by Cheapflights users on 9/12. 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.
Fri 10/311:00 amYOW - IAD
1 stop4h 06mPorter Airlines
Sun 10/511:35 amIAD - YOW
1 stop4h 59mPorter Airlines
Deal found 9/12$310
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/37:29 pmYOW - IAD
Nonstop1h 43mUnited Airlines
Sat 10/48:25 amIAD - YOW
2 stops12h 44mUnited Airlines
Deal found 9/13$312
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Tue 12/1612:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
Mon 1/1211:40 amIAD - YOW
1 stop5h 49mPorter Airlines
Deal found 9/14$315
This Trip.com deal was found by Cheapflights users on 9/13. 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 10/67:00 amYOW - IAD
1 stop3h 16mPorter Airlines
Fri 10/174:20 pmIAD - YOW
1 stop4h 14mPorter Airlines
Deal found 9/13$316
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/311:00 amYOW - IAD
1 stop4h 06mPorter Airlines
Sun 10/511:35 amIAD - YOW
1 stop4h 59mPorter Airlines
Deal found 9/13$319
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/308:40 amYOW - IAD
1 stop8h 34mPorter Airlines
Thu 11/611:40 amIAD - YOW
1 stop5h 49mPorter Airlines
Deal found 9/15$320
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:30 amYOW - DCA
Nonstop1h 49mAir Canada
Thu 11/612:55 pmDCA - YOW
Nonstop1h 35mAir Canada
Deal found 9/15$321
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 11/276:50 amYOW - IAD
1 stop3h 34mPorter Airlines
Sun 11/3011:40 amIAD - YOW
1 stop5h 49mPorter Airlines
Deal found 9/13$322
This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:30 amYOW - DCA
Nonstop1h 49mAir Canada
Thu 11/66:00 amDCA - YOW
1 stop6h 22mAir Canada
Deal found 9/15$323
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:50 amYOW - DCA
1 stop5h 06mAir Canada
Thu 11/66:00 amDCA - YOW
1 stop6h 22mAir Canada
Deal found 9/15$324
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/143:50 pmYOW - IAD
2 stops27h 56mMultiple Airlines
Fri 10/249:58 pmIAD - YOW
1 stop18h 59mMultiple Airlines
Deal found 9/13$327

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 September 15, 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

Fri 10/3

5:50 pm-10:33 pm

1 stop4h 43m

Washington, D.C. Dulles Intl

Sat 10/4

8:16 am-9:58 am

Nonstop1h 42m

$303

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/3

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 10/4

8:25 am-9:09 pm

2 stops12h 44m

$312

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/3

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 10/4

8:25 am-9:09 pm

2 stops12h 44m

$312

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 12/16

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 1/12

11:40 am-5:29 pm

1 stop5h 49m

$315

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 12/20

8:40 am-12:29 pm

1 stop3h 49m

Washington, D.C. Dulles Intl

Sun 12/21

11:40 am-3:04 pm

1 stop3h 24m

$315

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 1/1

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Wed 1/7

6:30 pm-10:29 pm

1 stop3h 59m

$315

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 10/30

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 11/6

12:55 pm-2:30 pm

Nonstop1h 35m

$321

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 10/30

10:50 am-3:56 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Thu 11/6

6:00 am-12:22 pm

1 stop6h 22m

$324

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 10/30

9:30 am-6:27 pm

1 stop8h 57m

Washington, D.C. Dulles Intl

Thu 11/6

9:52 pm-12:42 am

2 stops26h 50m

$330

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 10/8

9:35 am-3:06 pm

1 stop5h 31m

Washington, D.C. Dulles Intl

Fri 10/10

4:20 pm-8:34 pm

1 stop4h 14m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 48 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, August is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of $292). Flying from Ottawa to District of Columbia in April is currently the most expensive (average of $337). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to District of Columbia as you normally would.

Weekly flight availability from Ottawa to District of Columbia

Explore weekly flight availability from Ottawa to District of Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from YOW to USDC are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 September 15, 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
7.9
Good
363 reviews

Crew

8.6

Comfort

7.9

Overall

7.9

Entertainment

7.0

Boarding

8.1

Food

7.6

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
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Comfort

7.9

Overall

7.9

Entertainment

7.0

Boarding

8.1

Food

7.6

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
8,929 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Comfort

7.9

Overall

7.9

Entertainment

7.0

Boarding

8.1

Food

7.6

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
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Comfort

7.9

Overall

7.9

Entertainment

7.0

Boarding

8.1

Food

7.6

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?

    United Airlines, 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 3h 15m. 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 (64%), Air Canada (64%) and United Airlines (64%).

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

    The cheapest flight price from Ottawa to District of Columbia is $194. On average you can expect to pay $576. The most popular route, (Ottawa - Washington, D.C. Dulles Intl), can usually be booked for $291.

  • 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, August is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of $292). Flying from Ottawa to District of Columbia in April is currently the most expensive (average of $337). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$197Average$317FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$281Average$443FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$284Average$442FlexibilityNo cancel feeOn-time67%

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