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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from C$ 279

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Reagan-National to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National to Ottawa
Explore the most affordable flight options available from Reagan-National to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Tue 21/48:40 p.m.
DCA
-
YOW
1 stop4h 56m
Air Canada
Wed 22/410:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 12/3C$ 430
Wed 15/46:50 p.m.
DCA
-
YOW
1 stop6h 46m
Air Canada
Thu 16/410:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 13/3C$ 478
Mon 20/44:10 p.m.
DCA
-
YOW
1 stop6h 06m
Air Canada
Tue 21/410:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 16/3C$ 526
Mon 27/412:55 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Mon 4/510:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 13/3C$ 559
Thu 9/412:55 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Mon 13/410:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 11/3C$ 565
Sat 4/411:00 a.m.
DCA
-
YOW
1 stop5h 26m
Air Canada
Sat 25/45:45 a.m.
YOW
-
DCA
1 stop4h 34m
Air Canada
Deal found 13/3C$ 570
Sun 26/48:40 p.m.
DCA
-
YOW
1 stop4h 56m
Air Canada
Sun 3/510:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 12/3C$ 576

Find flight deals from Reagan-National to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 March 2026.

Round-trip from

C$ 430

One-way from

C$ 279

Popular in

February

Cheapest in

March

Average price

C$ 238

Good one-way deal

C$ 286 or less
Air Canada
  • Air Canada
  • 21/4-22/4
  • 1 total stop
  • 6h 32m total
  • Washington, D.C. to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 11/7
  • Nonstop
  • 1h 30m total
  • Washington, D.C. to Ottawa
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 83 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ottawa.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Ottawa 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 16 March 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 28/4

6:00 p.m.-10:05 p.m.

1 stop4h 05m

Ottawa

Sat 2/5

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

1 stop5h 22m

C$ 675

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 27/4

8:20 a.m.-1:59 p.m.

1 stop5h 39m

Ottawa

Wed 29/4

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

1 stop6h 21m

C$ 682

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 29/4

3:05 p.m.-10:05 p.m.

1 stop7h 00m

Ottawa

Sat 2/5

6:25 a.m.-2:14 p.m.

1 stop7h 49m

C$ 696

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 3/7

8:25 a.m.-1:59 p.m.

1 stop5h 34m

Ottawa

Mon 6/7

6:25 a.m.-11:59 a.m.

1 stop5h 34m

C$ 696

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 15/5

11:05 a.m.-4:38 p.m.

1 stop5h 33m

Ottawa

Sun 17/5

6:25 a.m.-2:14 p.m.

1 stop7h 49m

C$ 696

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 15/4

11:05 a.m.-4:38 p.m.

1 stop5h 33m

Ottawa

Sun 19/4

5:25 p.m.-10:48 p.m.

1 stop5h 23m

C$ 696

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 16/4

10:05 a.m.-4:38 p.m.

1 stop6h 33m

Ottawa

Sun 19/4

5:25 p.m.-10:48 p.m.

1 stop5h 23m

C$ 696

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 3/7

8:25 a.m.-1:59 p.m.

1 stop5h 34m

Ottawa

Sun 5/7

6:05 a.m.-9:32 a.m.

1 stop3h 27m

C$ 731
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 2/7

1:00 p.m.-4:38 p.m.

1 stop3h 38m

Ottawa

Sun 5/7

6:05 a.m.-9:32 a.m.

1 stop3h 27m

C$ 731

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 15/4

9:51 a.m.-6:26 p.m.

2 stops8h 35m

Ottawa

Sun 19/4

6:45 a.m.-12:54 p.m.

1 stop6h 09m

C$ 774

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Reagan-National to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Reagan-National 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 Washington, D.C. Reagan-National Airport to Ottawa

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of C$ 178). Flying from Washington, D.C. Reagan-National Airport to Ottawa in January is currently the most expensive (average of C$ 418). 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 DCA to YOW?

Find hourly flight availability from Reagan-National to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 March 2026.

When flying from Washington, D.C. Reagan-National Airport to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Ottawa. 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 into for flights to Ottawa from Washington, D.C. Reagan-National?

    Most people fly into Ottawa (YOW) if they book a flight to Ottawa from Washington, D.C. Reagan-National. On average, Ottawa has 1 inbound flight from Washington, D.C. Reagan-National per day from 0 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Ottawa?

    Airlines like United Airlines fly from Washington, D.C. Reagan-National Airport to Ottawa in about 4h 05m. The time it takes to get you to your destination can typically vary by up to . The distance between Washington, D.C. Reagan-National Airport and Ottawa is about 727 km.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Ottawa?

    Before booking your flight to Ottawa from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (58%), Jazz (58%), United Airlines( 58%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa?

    Looking for the cheapest flight from Washington, D.C. Reagan-National Airport to Ottawa? While on average our users pay C$ 286, our data indicates the cheapest price to be C$ 286. The most popular route (Washington, D.C. Reagan-National - Ottawa), is priced around C$ 627.

  • Can I find deals for flights from Reagan-National to Ottawa that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ottawa.

  • Can I find deals for business class flights from Reagan-National to Ottawa?

    Yes. Cheapflights offers flight deals from Reagan-National to Ottawa 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 Washington, D.C. Reagan-National Airport to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of C$ 178). Flying from Washington, D.C. Reagan-National Airport to Ottawa in January is currently the most expensive (average of C$ 418). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Perth
Wakefield
Pembroke
Smiths Falls

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Why should you use Cheapflights to find cheap flight tickets from Reagan-National to Ottawa?

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Can Cheapflights find flights from Reagan-National to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Reagan-National to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Reagan-National to Ottawa become cheaper?

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

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