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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa 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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
29 May — 5 Jun1
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 29 April 2026.

Sat 13/612:45 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Sun 14/610:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 28/4C$ 518
Fri 12/612:45 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Fri 19/610:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Deal found 28/4C$ 527
Thu 11/66:00 a.m.
DCA
-
YOW
1 stop4h 35m
Air Canada
Thu 18/66:00 a.m.
YOW
-
DCA
1 stop4h 18m
Air Canada
Deal found 27/4C$ 538
Sun 24/512:45 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Sun 31/510:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 25/4C$ 553
Sun 24/56:00 a.m.
DCA
-
YOW
2 stops18h 20m
Multiple Airlines
Sun 31/510:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Multiple Airlines
Deal found 25/4C$ 555
Thu 28/512:45 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Sun 31/510:25 a.m.
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 25/4C$ 556

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 29 April 2026.

Round-trip from

C$ 518

One-way from

C$ 257

Popular in

February

Cheapest in

January

Average price

C$ 788

Good round-trip deal

C$ 204 or less
Air Canada
  • Air Canada
  • 13/6-14/6
  • Nonstop
  • 3h 08m total
  • Washington, D.C. to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 14/7
  • Nonstop
  • 1h 31m total
  • Washington, D.C. to Ottawa
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip 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 29 April 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

Thu 11/6

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

Nonstop1h 32m

Ottawa

Sat 13/6

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

Nonstop1h 36m

C$ 645

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 11/6

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

Nonstop1h 32m

Ottawa

Sun 14/6

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

Nonstop1h 36m

C$ 645
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 30/7

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

Nonstop1h 31m

Ottawa

Mon 10/8

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

Nonstop1h 35m

C$ 652

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 20/6

4:20 p.m.-10:10 p.m.

1 stop5h 50m

Ottawa

Tue 23/6

6:00 a.m.-10:18 a.m.

1 stop4h 18m

C$ 668

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 26/5

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

Nonstop1h 32m

Ottawa

Fri 29/5

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

Nonstop1h 36m

C$ 729

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 22/5

8:40 p.m.-1:36 a.m.

1 stop4h 56m

Ottawa

Mon 25/5

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

Nonstop1h 36m

C$ 774

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 12/5

9:40 a.m.-1:56 p.m.

1 stop4h 16m

Ottawa

Thu 14/5

5:50 p.m.-9:55 p.m.

1 stop4h 05m

C$ 800

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 21/5

6:00 a.m.-4:38 p.m.

1 stop10h 38m

Ottawa

Mon 25/5

5:50 p.m.-9:53 p.m.

1 stop4h 03m

C$ 817

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 14/5

6:20 a.m.-5:35 p.m.

2 stops11h 15m

Ottawa

Mon 18/5

6:55 a.m.-6:59 p.m.

2 stops12h 04m

C$ 997
Cheapest one-way

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 12/6

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

Nonstop1h 32m

C$ 279

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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 29 April 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?

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 32m. 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 (64%), Jazz (64%), United Airlines( 64%).

  • 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$ 239, our data indicates the cheapest price to be C$ 194. The most popular route (Washington, D.C. Reagan-National - Ottawa), is priced around C$ 583.

  • 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
Wakefield
Pembroke
Smiths Falls

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Deals for Reagan-National to Ottawa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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