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District of Columbia

$151+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap 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 February 9, 2026.

This United Airlines deal was found by Cheapflights users on 2/6. 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.
Sat 3/285:55 pm
YOW
-
IAD
1 stop5h 24m
United Airlines
Sun 3/298:15 am
IAD
-
YOW
Nonstop1h 48m
United Airlines
Deal found 2/6$279
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Fri 3/611:00 am
YOW
-
IAD
1 stop6h 14m
Porter Airlines
Fri 3/136:30 pm
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Deal found 2/5$280
This Trip.com deal was found by Cheapflights users on 2/5. 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 3/610:30 am
YOW
-
DCA
Nonstop1h 49m
Air Canada
Fri 3/136:00 am
DCA
-
YOW
1 stop3h 41m
Air Canada
Deal found 2/5$291
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
Wed 3/46:45 am
YOW
-
IAD
1 stop3h 39m
Multiple Airlines
Mon 3/92:58 pm
IAD
-
YOW
2 stops26h 19m
Multiple Airlines
Deal found 2/5$292
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sun 4/261:20 pm
YOW
-
IAD
1 stop3h 54m
Porter Airlines
Thu 4/306:30 pm
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Deal found 2/6$295
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Wed 3/259:30 am
YOW
-
IAD
1 stop21h 54m
Multiple Airlines
Wed 4/88:30 pm
IAD
-
YOW
1 stop20h 43m
Multiple Airlines
Deal found 2/6$304
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/2011:00 am
YOW
-
IAD
1 stop6h 14m
Porter Airlines
Mon 3/2311:40 am
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Deal found 2/6$306
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 2/287:30 pm
YOW
-
IAD
Nonstop1h 53m
United Airlines
Sun 3/18:36 am
IAD
-
YOW
1 stop4h 58m
United Airlines
Deal found 2/7$309
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
Wed 3/46:45 am
YOW
-
IAD
1 stop3h 39m
Multiple Airlines
Tue 3/107:00 am
IAD
-
YOW
2 stops10h 17m
Multiple Airlines
Deal found 2/5$310
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/47:30 pm
YOW
-
IAD
Nonstop1h 53m
United Airlines
Tue 3/108:26 am
IAD
-
YOW
1 stop5h 06m
United Airlines
Deal found 2/5$313
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/56:45 am
YOW
-
IAD
1 stop3h 39m
Multiple Airlines
Tue 3/107:00 am
IAD
-
YOW
2 stops10h 17m
Multiple Airlines
Deal found 2/6$317
This Air Canada deal was found by Cheapflights users on 2/8. 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 5/2210:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Tue 5/2612:45 pm
DCA
-
YOW
Nonstop1h 32m
Air Canada
Deal found 2/8$317

Find 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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$151

Popular in

February

Cheapest in

August

Average price

$447

Good round-trip deal

$235 or less

Good one-way deal

$234 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. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 9, 2026.
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 3/6

11:00 am-5:14 pm

1 stop6h 14m

Washington, D.C. Dulles Intl

Wed 3/11

11:40 am-5:29 pm

1 stop5h 49m

$280

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 3/6

11:00 am-5:14 pm

1 stop6h 14m

Washington, D.C. Dulles Intl

Fri 3/13

6:30 pm-10:29 pm

1 stop3h 59m

$280

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 3/6

3:55 pm-9:56 pm

1 stop6h 01m

Washington, D.C. Reagan-National

Fri 3/13

6:00 am-9:41 am

1 stop3h 41m

$295

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 2/28

7:30 pm-9:23 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

Sun 3/1

8:36 am-1:34 pm

1 stop4h 58m

$309

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 3/6

2:15 pm-4:11 pm

Nonstop1h 56m

Washington, D.C. Dulles Intl

Wed 3/11

8:30 am-5:12 pm

1 stop8h 42m

$313

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 3/4

2:15 pm-4:11 pm

Nonstop1h 56m

Washington, D.C. Dulles Intl

Tue 3/10

5:11 pm-6:55 pm

Nonstop1h 44m

$313

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/22

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Tue 5/26

12:45 pm-2:17 pm

Nonstop1h 32m

$317

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 3/3

3:15 pm-9:03 pm

1 stop5h 48m

Washington, D.C. Dulles Intl

Tue 3/10

8:26 am-1:32 pm

1 stop5h 06m

$319

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 3/4

6:20 am-11:49 am

1 stop5h 29m

Washington, D.C. Dulles Intl

Thu 3/12

8:26 am-1:32 pm

1 stop5h 06m

$319

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/3

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 4/6

11:40 am-5:29 pm

1 stop5h 49m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 33 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 $73). Flying from Ottawa to District of Columbia in July is currently the most expensive (average of $238). 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 February 9, 2026.

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.

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 February 9, 2026.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,267 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,267 reviews
United Airlines
7.4
Good
9,267 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,701 reviews
United Airlines
7.4
Good
9,267 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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, Air Canada, and United Airlines can get you from Ottawa to District of Columbia in just under 1h 53m. Your travel time can differ by up to 4h 21m. Ottawa and District of Columbia are separated by a distance of 449 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ottawa to District of Columbia one-way?

    The cheapest airlines for a one-way flight from Ottawa to District of Columbia are Porter Airlines ($127), Air Canada ($154), and United Airlines ($176).

  • 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 Republic Airways (76%), United Airlines (70%) and Avianca (67%).

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

    The cheapest flight price from Ottawa to District of Columbia is $207. On average you can expect to pay $407. The most popular route, (Ottawa - Washington, D.C. Dulles Intl), can usually be booked for $309.

  • 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 $73). Flying from Ottawa to District of Columbia in July is currently the most expensive (average of $238). 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 2 airlines flying from Ottawa to District of Columbia

Discover the top 2 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$281Average$443FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$296Average$397FlexibilityNo cancel feeOn-time67%

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