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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from C$ 261

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 507

One-way from

C$ 261

Popular in

May

Cheapest in

March

Average price

C$ 302

Good one-way deal

C$ 269 or less
Air Canada
  • Air Canada
  • 30/10-2/11
  • 1 total stop
  • 5h 31m total
  • Washington, D.C. to Ottawa
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Air Canada
  • Air Canada
  • 6/10
  • Nonstop
  • 1h 31m total
  • Washington, D.C. to Ottawa
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Highest demand for flights based on searches. 23% potential increase in price (C$ 220 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ottawa.
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Find flight deals from Reagan-National to Ottawa

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 11 September 2025.

Thu 30/106:00 a.m.DCA - YOW
1 stop3h 42mAir Canada
Sun 2/1110:30 a.m.YOW - DCA
Nonstop1h 49mAir Canada
Deal found 11/9C$ 507
Wed 1/1012:55 p.m.DCA - YOW
Nonstop1h 31mAir Canada
Thu 2/1010:25 a.m.YOW - DCA
Nonstop1h 43mAir Canada
Deal found 9/9C$ 516
Thu 9/106:59 a.m.DCA - YOW
1 stop6h 10mAir Canada
Thu 16/1010:25 a.m.YOW - DCA
Nonstop1h 43mAir Canada
Deal found 10/9C$ 517
Wed 1/1012:55 p.m.DCA - YOW
Nonstop1h 31mAir Canada
Sun 5/106:00 a.m.YOW - DCA
1 stop4h 20mAir Canada
Deal found 9/9C$ 522
Tue 21/1012:55 p.m.DCA - YOW
Nonstop1h 31mAir Canada
Sun 26/107:25 p.m.YOW - DCA
1 stop13h 30mAir Canada
Deal found 9/9C$ 535
Sat 8/117:00 a.m.DCA - YOW
1 stop6h 32mUnited Airlines
Sat 8/115:14 p.m.YOW - DCA
1 stop5h 28mUnited Airlines
Deal found 11/9C$ 553
Wed 1/1012:55 p.m.DCA - YOW
Nonstop1h 31mAir Canada
Mon 6/102:40 p.m.YOW - DCA
1 stop7h 11mAir Canada
Deal found 9/9C$ 570

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 11 September 2025.
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

Wed 1/10

9:40 a.m.-1:51 p.m.

1 stop4h 11m

Ottawa

Mon 6/10

2:40 p.m.-9:51 p.m.

1 stop7h 11m

C$ 576

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/10

6:59 a.m.-11:04 a.m.

1 stop4h 05m

Ottawa

Thu 16/10

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

C$ 579

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 1/10

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

Nonstop1h 31m

Ottawa

Sun 5/10

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

C$ 579

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 6/11

6:00 a.m.-9:42 a.m.

1 stop3h 42m

Ottawa

Fri 7/11

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

Nonstop1h 49m

C$ 594

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/10

10:33 a.m.-10:05 p.m.

1 stop11h 32m

Ottawa

Thu 16/10

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

C$ 601

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/10

6:00 a.m.-4:43 p.m.

1 stop10h 43m

Ottawa

Wed 15/10

10:25 a.m.-12:08 p.m.

Nonstop1h 43m

C$ 601

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 7/11

4:10 p.m.-10:18 p.m.

1 stop6h 08m

Ottawa

Mon 10/11

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

1 stop4h 41m

C$ 601

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 5/12

6:00 a.m.-9:42 a.m.

1 stop3h 42m

Ottawa

Mon 8/12

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

1 stop4h 41m

C$ 601

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 10/10

6:00 a.m.-4:43 p.m.

1 stop10h 43m

Ottawa

Fri 17/10

11:55 a.m.-6:04 p.m.

1 stop6h 09m

C$ 611

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 7/11

6:00 a.m.-9:42 a.m.

1 stop3h 42m

Ottawa

Sun 9/11

6:05 p.m.-10:35 p.m.

1 stop4h 30m

C$ 611

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 19 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of C$ 224). Flying from Washington, D.C. Reagan-National Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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 11 September 2025.

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 2 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 4h 11m. 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 (79%), Jazz (79%), United Airlines( 79%).

  • 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$ 365, our data indicates the cheapest price to be C$ 269. The most popular route (Washington, D.C. Reagan-National - Ottawa), is priced around C$ 520.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of C$ 224). Flying from Washington, D.C. Reagan-National Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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
Prescott
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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