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Cheap flights from Ottawa to District of Columbia from C$ 257

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 27 March 2026.

Mon 13/711:00 a.m.
YOW
-
IAD
1 stop4h 16m
Porter Airlines
Fri 17/74:00 p.m.
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Deal found 26/3C$ 433
Thu 16/46:50 a.m.
YOW
-
IAD
1 stop4h 04m
Porter Airlines
Sun 19/46:00 p.m.
IAD
-
YOW
1 stop4h 29m
Porter Airlines
Deal found 23/3C$ 437
Thu 23/46:50 a.m.
YOW
-
IAD
1 stop4h 04m
Porter Airlines
Thu 30/411:40 a.m.
IAD
-
YOW
1 stop5h 24m
Porter Airlines
Deal found 26/3C$ 439
Fri 17/41:15 p.m.
YOW
-
IAD
1 stop3h 59m
Porter Airlines
Mon 20/411:40 a.m.
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Deal found 22/3C$ 440
Tue 21/47:00 a.m.
YOW
-
IAD
1 stop3h 54m
Porter Airlines
Thu 23/411:40 a.m.
IAD
-
YOW
1 stop5h 24m
Porter Airlines
Deal found 23/3C$ 441
Fri 8/511:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Sun 10/511:30 a.m.
IAD
-
YOW
1 stop6h 24m
Porter Airlines
Deal found 22/3C$ 459
Tue 28/47:00 a.m.
YOW
-
IAD
1 stop3h 54m
Porter Airlines
Thu 30/411:40 a.m.
IAD
-
YOW
1 stop5h 24m
Porter Airlines
Deal found 23/3C$ 464
Mon 11/511:00 a.m.
YOW
-
IAD
1 stop4h 21m
Porter Airlines
Fri 12/64:05 p.m.
IAD
-
YOW
1 stop5h 39m
Porter Airlines
Deal found 23/3C$ 470
Tue 7/75:50 p.m.
YOW
-
DCA
1 stop4h 03m
United Airlines
Tue 14/711:00 a.m.
DCA
-
YOW
1 stop5h 38m
United Airlines
Deal found 22/3C$ 513
Thu 16/410:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Sun 19/412:55 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Deal found 23/3C$ 517
Sat 9/510:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Sun 17/512:45 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Deal found 23/3C$ 524
Thu 7/59:05 a.m.
YOW
-
DCA
1 stop6h 34m
Air Canada
Thu 14/56:00 a.m.
DCA
-
YOW
1 stop5h 31m
Air Canada
Deal found 22/3C$ 526

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 27 March 2026.

Round-trip from

C$ 437

One-way from

C$ 257

Popular in

November

Cheapest in

August

Average price

C$ 516

Good round-trip deal

C$ 543 or less

Good one-way deal

C$ 301 or less
Porter Airlines
  • Porter Airlines
  • 16/4-19/4
  • 2 total stops
  • 8h 33m total
  • Ottawa to District of Columbia
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/6
  • 1 total stop
  • 4h 21m total
  • Ottawa to District of Columbia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 629,999 searches. Data last updated 27 March 2026.
Use the filters below to find and compare flights from Ottawa to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Fri 8/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

C$ 505

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/5

10:00 a.m.-11:50 a.m.

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sun 17/5

5:10 p.m.-6:55 p.m.

Nonstop1h 45m

C$ 524

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 17/5

2:40 p.m.-4:30 p.m.

Nonstop1h 50m

Washington, D.C. Dulles Intl

Wed 20/5

8:15 a.m.-10:03 a.m.

Nonstop1h 48m

C$ 524
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 13/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Fri 17/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 535

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 30/4

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

Washington, D.C. Reagan-National

Mon 4/5

12:45 p.m.-2:17 p.m.

Nonstop1h 32m

C$ 547

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 22/4

3:10 p.m.-9:31 p.m.

1 stop6h 21m

Washington, D.C. Reagan-National

Wed 29/4

1:00 p.m.-9:35 p.m.

1 stop8h 35m

C$ 547

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/5

10:00 a.m.-11:50 a.m.

Nonstop1h 50m

Washington, D.C. Dulles Intl

Fri 8/5

10:30 p.m.-1:59 p.m.

1 stop15h 29m

C$ 548

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 26/4

7:30 p.m.-9:18 p.m.

Nonstop1h 48m

Washington, D.C. Dulles Intl

Thu 30/4

10:07 p.m.-11:54 p.m.

Nonstop1h 47m

C$ 548

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 21/5

10:00 a.m.-11:43 a.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 26/5

3:39 p.m.-9:35 p.m.

1 stop5h 56m

C$ 548

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 8/5

5:25 p.m.-10:47 p.m.

1 stop5h 22m

Washington, D.C. Reagan-National

Tue 12/5

11:55 a.m.-5:07 p.m.

1 stop5h 12m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 33 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of C$ 198). Flying from Ottawa to District of Columbia in March is currently the most expensive (average of C$ 389). 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 27 March 2026.

When flying from Ottawa to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Ottawa to District of Columbia?

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 27 March 2026.
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
428 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
428 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,491 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,844 reviews
Porter Airlines
8.0
Very good
428 reviews
Check prices

Entertainment

7.0

Comfort

8.0

Overall

8.0

Food

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 36m. 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 cheapest airlines to fly from Ottawa to District of Columbia one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 177. Air Canada flights start at C$ 239 while deals on United Airlines start at C$ 283 one-way.

  • 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: Avianca (83%), Republic Airways (81%), United Airlines (81%).

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

    Looking at all options, your cheapest flight can be booked for C$ 239. While the most popular route (Ottawa - Washington, D.C. Dulles Intl) can be booked for C$ 433 on average, our data indicates C$ 1,345 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, June is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of C$ 198). Flying from Ottawa to District of Columbia in March is currently the most expensive (average of C$ 389). 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 27 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 236AverageC$ 650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 316AverageC$ 414FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 359AverageC$ 573FlexibilityNo 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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