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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from C$ 245

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
26 Aug — 2 Sep1
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 27 July 2026.

Tue 8/912:55 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Sat 12/910:40 a.m.
YOW
-
DCA
Nonstop1h 34m
Air Canada
Deal found 25/7C$ 513
Tue 8/96:59 a.m.
DCA
-
YOW
1 stop10h 36m
Multiple Airlines
Sat 12/99:05 a.m.
YOW
-
DCA
1 stop6h 35m
Multiple Airlines
Deal found 25/7C$ 520
Sat 15/812:40 p.m.
DCA
-
YOW
Nonstop1h 31m
Air Canada
Mon 17/810:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Deal found 25/7C$ 538
Thu 13/812:40 p.m.
DCA
-
YOW
Nonstop1h 31m
Air Canada
Mon 17/810:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Deal found 23/7C$ 568

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 27 July 2026.

Round-trip from

C$ 513

One-way from

C$ 245

Popular in

February

Cheapest in

March

Average price

C$ 740
Air Canada
  • Air Canada
  • 8/9-12/9
  • Nonstop
  • 3h 06m total
  • Washington, D.C. to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 31/8
  • Nonstop
  • 1h 31m total
  • Washington, D.C. to Ottawa
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (C$ 134 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 27 July 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
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 20/10

12:40 p.m.-2:10 p.m.

Nonstop1h 30m

Ottawa

Fri 23/10

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

Nonstop1h 35m

C$ 617

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 25/9

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Mon 28/9

10:40 a.m.-12:14 p.m.

Nonstop1h 34m

C$ 617

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 23/8

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

Nonstop1h 31m

Ottawa

Fri 28/8

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

Nonstop1h 35m

C$ 617

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 26/10

12:55 p.m.-2:29 p.m.

Nonstop1h 34m

Ottawa

Wed 28/10

5:45 a.m.-10:29 a.m.

1 stop4h 44m

C$ 630

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 4/11

12:55 p.m.-2:29 p.m.

Nonstop1h 34m

Ottawa

Sat 7/11

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

Nonstop1h 49m

C$ 724

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 7/11

11:05 a.m.-3:57 p.m.

1 stop4h 52m

Ottawa

Mon 9/11

10:50 a.m.-3:24 p.m.

1 stop4h 34m

C$ 748

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 27/8

5:00 a.m.-2:55 p.m.

2 stops9h 55m

Ottawa

Mon 31/8

7:00 a.m.-12:44 p.m.

1 stop5h 44m

C$ 775

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 27/8

5:00 a.m.-2:55 p.m.

2 stops9h 55m

Ottawa

Sun 30/8

7:00 a.m.-12:44 p.m.

1 stop5h 44m

C$ 775

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 9/8

6:00 a.m.-11:30 a.m.

1 stop5h 30m

Ottawa

Mon 10/8

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

Nonstop1h 35m

C$ 854

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 8/8

9:30 a.m.-5:07 p.m.

1 stop7h 37m

Ottawa

Sun 9/8

6:05 a.m.-12:23 p.m.

1 stop6h 18m

C$ 878

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/7

Showing 1-10 of 19 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 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 27 July 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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Ottawa?

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Ottawa flights typically cost between C$ 530 and C$ 672 in September.
The cheapest round-trip price found within the last 5 days was C$ 513 on Air Canada (8 Sep-12 Sep).

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 Air Canada fly from Washington, D.C. Reagan-National Airport to Ottawa in about 1h 30m. The time it takes to get you to your destination is usually consistent. The distance between Washington, D.C. Reagan-National Airport and Ottawa is about 727 km. Generally, flights for this route are direct.

  • 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 (82%), Jazz (82%), United Airlines( 82%).

  • 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.

See more FAQs

Travelling to a place near Ottawa?

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

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

Cheapflights simply makes it quick and affordable to book flights from Reagan-National to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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