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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from C$ 217

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
27 Feb — 6 Mar1
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 28 January 2026.

Thu 19/212:55 p.m.
DCA
-
YOW
Nonstop1h 35m
Air Canada
Mon 23/210:30 a.m.
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 28/1C$ 411
Mon 23/212:55 p.m.
DCA
-
YOW
Nonstop1h 35m
Air Canada
Mon 2/310:30 a.m.
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 26/1C$ 413
Fri 13/36:00 a.m.
DCA
-
YOW
1 stop3h 41m
Air Canada
Fri 20/310:30 a.m.
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 27/1C$ 421
Fri 20/212:55 p.m.
DCA
-
YOW
Nonstop1h 35m
Air Canada
Sun 22/210:30 a.m.
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 27/1C$ 477
Mon 8/612:45 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Fri 19/610:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Deal found 27/1C$ 487
Sun 8/36:59 a.m.
DCA
-
YOW
1 stop4h 09m
Air Canada
Thu 12/310:30 a.m.
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 26/1C$ 496

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 28 January 2026.

Round-trip from

C$ 411

One-way from

C$ 217

Popular in

May

Cheapest in

March

Average price

C$ 403

Good one-way deal

C$ 173 or less
Air Canada
  • Air Canada
  • 19/2-23/2
  • Nonstop
  • 3h 24m total
  • Washington, D.C. to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 13/3
  • Nonstop
  • 1h 35m total
  • Washington, D.C. to Ottawa
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 28 January 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

Reagan-National

Fly to

Ottawa

Route

Depart

Return

Price

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 13/3

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

Nonstop1h 35m

Ottawa

Fri 20/3

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

Nonstop1h 49m

C$ 411

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 23/2

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

Nonstop1h 35m

Ottawa

Mon 2/3

5:45 a.m.-10:21 a.m.

1 stop4h 36m

C$ 420

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 26/2

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

Nonstop1h 35m

Ottawa

Thu 5/3

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

Nonstop1h 49m

C$ 477

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 26/3

6:00 a.m.-9:41 a.m.

1 stop3h 41m

Ottawa

Fri 27/3

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

Nonstop1h 49m

C$ 489

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 19/2

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

Nonstop1h 35m

Ottawa

Sat 21/2

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

1 stop4h 41m

C$ 489

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/4

6:00 a.m.-10:06 a.m.

1 stop4h 06m

Ottawa

Sun 12/4

5:45 a.m.-10:19 a.m.

1 stop4h 34m

C$ 502

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 20/2

6:00 a.m.-9:41 a.m.

1 stop3h 41m

Ottawa

Sun 22/2

3:55 p.m.-9:56 p.m.

1 stop6h 01m

C$ 544

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 18/6

12:55 p.m.-2:26 p.m.

Nonstop1h 31m

Ottawa

Sun 21/6

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

Nonstop1h 35m

C$ 577

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 21/5

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

Nonstop1h 32m

Ottawa

Mon 25/5

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

Nonstop1h 36m

C$ 577

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 25/3

6:00 a.m.-9:41 a.m.

1 stop3h 41m

C$ 217

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 17 results
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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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of C$ 168). Flying from Washington, D.C. Reagan-National Airport to Ottawa in June is currently the most expensive (average of C$ 380). 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 28 January 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 0 inbound flights 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 35m. 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 (57%), Jazz (57%), United Airlines( 57%).

  • 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$ 175, our data indicates the cheapest price to be C$ 173. The most popular route (Washington, D.C. Reagan-National - Ottawa), is priced around C$ 492.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of C$ 168). Flying from Washington, D.C. Reagan-National Airport to Ottawa in June is currently the most expensive (average of C$ 380). 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
Smiths Falls
Perth
Pembroke
Wakefield

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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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