District of Columbia

$124+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
Mar 31 — Apr 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to District of Columbia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Air Canada)

One-way from

$124
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$342

Good round-trip deal

$284 or less

Good one-way deal

$189 or less
Provider with most accurate pricing for Ottawa-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. (WAS) flights.
From Ottawa to District of Columbia
One-way flight from Ottawa to District of Columbia
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Ottawa to District of Columbia.
Price to beat on a one-way flight from Ottawa to District of Columbia.

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 March 26, 2025.

This Air Canada deal was found by Cheapflights users on 3/25. 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 4/1010:25 amYOW - DCA
Nonstop1h 36mAir Canada
Thu 4/176:00 amDCA - YOW
1 stop3h 36mAir Canada
Deal found 3/25$255
This Air Canada deal was found by Cheapflights users on 3/25. 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 4/125:25 pmYOW - IAD
1 stop6h 34mAir Canada
Wed 4/233:30 pmIAD - YOW
1 stop6h 05mAir Canada
Deal found 3/25$261
This iWofly deal was found by Cheapflights users on 3/25. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:00 amYOW - IAD
1 stop5h 39mPorter Airlines
Mon 4/71:45 pmIAD - YOW
1 stop4h 49mPorter Airlines
Deal found 3/25$279
This United deal was found by Cheapflights users on 3/24. 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.
Sat 4/1910:25 amYOW - DCA
Nonstop1h 36mMultiple Airlines
Sun 4/206:00 amDCA - YOW
1 stop3h 36mMultiple Airlines
Deal found 3/24$295
This Mytrip deal was found by Cheapflights users on 3/25. 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 4/245:55 amYOW - IAD
1 stop7h 04mMultiple Airlines
Mon 4/284:07 pmIAD - YOW
2 stops8h 15mMultiple Airlines
Deal found 3/25$299
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/910:25 amYOW - DCA
Nonstop1h 36mUnited Airlines
Fri 5/1612:55 pmDCA - YOW
Nonstop1h 32mUnited Airlines
Deal found 3/25$312
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 4/106:00 amYOW - IAD
1 stop5h 39mUnited Airlines
Thu 4/1710:14 pmIAD - YOW
Nonstop1h 39mUnited Airlines
Deal found 3/25$347
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Wed 5/145:55 amYOW - DCA
2 stops14h 41mWestJet
Sun 5/251:33 pmDCA - YOW
2 stops11h 19mWestJet
Deal found 3/24$455
This WestJet deal was found by Cheapflights users on 3/25. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:15 pmYOW - IAD
2 stops24h 39mWestJet
Mon 7/146:45 pmIAD - YOW
1 stop23h 36mWestJet
Deal found 3/25$560
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:55 amYOW - DCA
2 stops16h 50mDelta
Tue 4/2910:00 amDCA - YOW
2 stops14h 22mDelta
Deal found 3/25$670
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/275:55 amYOW - IAD
2 stops10h 48mDelta
Tue 4/299:20 amIAD - YOW
2 stops15h 02mDelta
Deal found 3/25$837

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 March 26, 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 - DCA

YOWDCA

Ottawa

Thu 4/10

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Thu 4/17

6:00 am-9:36 am

1 stop3h 36m

$255

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 4/12

5:25 pm-11:59 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Wed 4/23

3:30 pm-9:35 pm

1 stop6h 05m

$261

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 4/6

7:00 am-12:39 pm

1 stop5h 39m

Washington, D.C. Dulles Intl

Mon 4/7

1:45 pm-6:34 pm

1 stop4h 49m

$279

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 4/19

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Sun 4/20

6:00 am-9:36 am

1 stop3h 36m

$295

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 4/24

5:55 am-12:59 pm

1 stop7h 04m

Washington, D.C. Dulles Intl

Mon 4/28

4:07 pm-12:22 am

2 stops8h 15m

$299

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/9

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Fri 5/16

12:55 pm-2:27 pm

Nonstop1h 32m

$312

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 4/10

6:00 am-11:39 am

1 stop5h 39m

Washington, D.C. Dulles Intl

Thu 4/17

10:14 pm-11:53 pm

Nonstop1h 39m

$347

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 5/14

5:55 am-8:36 pm

2 stops14h 41m

Washington, D.C. Reagan-National

Sun 5/25

1:33 pm-12:52 am

2 stops11h 19m

$455

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/10

5:15 pm-5:54 pm

2 stops24h 39m

Washington, D.C. Dulles Intl

Mon 7/14

6:45 pm-6:21 pm

1 stop23h 36m

$560

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 4/22

5:55 am-10:45 pm

2 stops16h 50m

Washington, D.C. Reagan-National

Tue 4/29

10:00 am-12:22 am

2 stops14h 22m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 21 results
1
2
3

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 $309). Flying from Ottawa to District of Columbia in June is currently the most expensive (average of $385). 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 March 26, 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.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 March 26, 2025.
See what other customers who have flown with Delta, Porter Airlines and United Airlines from Ottawa to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 ($124), Air Canada ($127), and United Airlines ($197).

  • 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 Avianca (77%), GoJet (73%) and Air Canada (73%).

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

    The cheapest flight price from Ottawa to District of Columbia is $164. On average you can expect to pay $469. The most popular route, (Ottawa - Washington, D.C. Dulles Intl), can usually be booked for $196.

  • 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 $309). Flying from Ottawa to District of Columbia in June is currently the most expensive (average of $385). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$240Average$414FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$247Average$404FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$273Average$373FlexibilityNo cancel feeOn-time52%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.