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Cheap flights from Ottawa to District of Columbia from C$ 209

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
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ottawa to District of Columbia

Enter your travel dates to find the best prices.

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 30 October 2025.

Wed 26/116:50 a.m.YOW - IAD
1 stop3h 34mPorter Airlines
Fri 28/1111:40 a.m.IAD - YOW
1 stop3h 24mPorter Airlines
Deal found 29/10C$ 402
Wed 19/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Thu 20/1112:55 p.m.DCA - YOW
Nonstop1h 35mAir Canada
Deal found 28/10C$ 404
Mon 22/1212:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Sun 28/1211:40 a.m.IAD - YOW
1 stop3h 24mPorter Airlines
Deal found 28/10C$ 406
Thu 13/1112:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Sun 16/116:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 29/10C$ 409
Wed 19/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Sun 23/1111:05 a.m.DCA - YOW
1 stop5h 13mAir Canada
Deal found 28/10C$ 411
Fri 14/1112:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Mon 17/116:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 29/10C$ 418
Sat 22/1110:50 a.m.YOW - DCA
1 stop4h 41mAir Canada
Sat 13/126:00 a.m.DCA - YOW
1 stop3h 42mAir Canada
Deal found 28/10C$ 418
Wed 26/112:05 p.m.YOW - DCA
1 stop5h 40mAir Canada
Sun 30/1111:05 a.m.DCA - YOW
1 stop5h 13mAir Canada
Deal found 28/10C$ 427
Mon 17/112:05 p.m.YOW - DCA
1 stop5h 40mAir Canada
Wed 19/1112:55 p.m.DCA - YOW
Nonstop1h 35mAir Canada
Deal found 29/10C$ 430
Wed 26/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Fri 28/116:00 a.m.DCA - YOW
1 stop3h 42mAir Canada
Deal found 29/10C$ 433
Fri 19/1210:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Wed 31/1211:05 a.m.DCA - YOW
1 stop5h 43mAir Canada
Deal found 28/10C$ 434
Sat 13/128:40 a.m.YOW - IAD
1 stop3h 49mPorter Airlines
Sat 20/126:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 29/10C$ 437

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 30 October 2025.

Round-trip from

C$ 402

One-way from

C$ 209

Popular in

October

Cheapest in

March

Average price

C$ 753

Good round-trip deal

C$ 511 or less

Good one-way deal

C$ 349 or less
United Airlines
  • United Airlines
  • 19/11-20/11
  • 1 total stop
  • 6h 39m total
  • Ottawa to District of Columbia
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/12
  • 1 total stop
  • 5h 04m total
  • Ottawa to District of Columbia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 33 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 629,999 searches. Data last updated 30 October 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 26/11

6:50 a.m.-10:24 a.m.

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 28/11

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 402

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/12

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 8/12

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 404

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 26/1

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Fri 6/2

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 404

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 27/11

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Sat 6/12

11:05 a.m.-4:18 p.m.

1 stop5h 13m

C$ 411

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 14/11

12:10 p.m.-5:14 p.m.

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 17/11

6:30 p.m.-10:29 p.m.

1 stop3h 59m

C$ 418

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 25/11

10:50 a.m.-3:31 p.m.

1 stop4h 41m

Washington, D.C. Reagan-National

Fri 28/11

11:05 a.m.-4:18 p.m.

1 stop5h 13m

C$ 418

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 19/11

10:50 a.m.-3:31 p.m.

1 stop4h 41m

Washington, D.C. Reagan-National

Thu 20/11

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 418

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 16/1

10:50 a.m.-3:31 p.m.

1 stop4h 41m

Washington, D.C. Reagan-National

Mon 19/1

11:05 a.m.-4:18 p.m.

1 stop5h 13m

C$ 418

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 26/1

7:00 a.m.-10:24 a.m.

1 stop3h 24m

Washington, D.C. Dulles Intl

Thu 5/2

11:40 a.m.-5:29 p.m.

1 stop5h 49m

C$ 434

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 25/2

7:00 a.m.-10:24 a.m.

1 stop3h 24m

Washington, D.C. Dulles Intl

Thu 26/2

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 434

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 29 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 C$ 98). Flying from Ottawa to District of Columbia in January is currently the most expensive (average of C$ 338). 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 30 October 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 afternoon, which can drop the price by up to 18% versus a flight in the morning.

What is the cheapest day to fly from Ottawa to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to District of Columbia. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to District of Columbia flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 30 October 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada 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.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

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
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

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
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

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
10,376 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

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?

    If you book a flight to District of Columbia from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

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

    Departing from Ottawa to District of Columbia will take you 1h 49m. The distance between Ottawa and District of Columbia is about 727 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ottawa to District of Columbia on time: GoJet (76%), Air Canada (76%), United Airlines (76%).

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

    Looking at all options, your cheapest flight can be booked for C$ 243. While the most popular route (Ottawa - Washington, D.C. Dulles Intl) can be booked for C$ 341 on average, our data indicates C$ 682 when flying from Ottawa to District of Columbia.

  • 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 C$ 98). Flying from Ottawa to District of Columbia in January is currently the most expensive (average of C$ 338). 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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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 629,999 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 307AverageC$ 676FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 336AverageC$ 411FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 345AverageC$ 553FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to District of Columbia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to District of Columbia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to District of Columbia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to District of Columbia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to District of Columbia with no change fees?

Certainly. Search results for flights to District of Columbia from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ottawa to District of Columbia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to District of Columbia from Ottawa today and book when prices fit your budget.

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