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Cheap flights from Ottawa to Washington, D.C. Reagan-National Airport from C$ 284

YOW — DCA
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Reagan-National

Thu 17/129:00 a.m. -
1 stop6h 24m
Thu 24/126:00 a.m. -
1 stop5h 37m
Deal found 1/11C$ 475
Wed 2/1210:30 a.m. -
Nonstop1h 49m
Thu 3/1212:55 p.m. -
Nonstop1h 34m
Deal found 1/11C$ 492
Thu 19/1110:50 a.m. -
1 stop4h 34m
Mon 23/1111:05 a.m. -
1 stop4h 52m
Deal found 1/11C$ 496
Fri 11/1210:30 a.m. -
Nonstop1h 49m
Mon 14/126:00 a.m. -
1 stop5h 37m
Deal found 1/11C$ 505
Fri 11/1210:30 a.m. -
Nonstop1h 49m
Mon 11/16:00 a.m. -
1 stop3h 47m
Deal found 1/11C$ 506
Thu 26/115:45 a.m. -
1 stop4h 39m
Mon 30/1111:05 a.m. -
1 stop4h 52m
Deal found 31/10C$ 516
Wed 25/1110:30 a.m. -
Nonstop1h 49m
Fri 27/1112:55 p.m. -
Nonstop1h 34m
Deal found 31/10C$ 520
Fri 4/1210:30 a.m. -
Nonstop1h 49m
Tue 8/1211:05 a.m. -
1 stop4h 52m
Deal found 1/11C$ 524

Find flight deals from Ottawa to Reagan-National

Round-trip from

C$ 475

One-way from

C$ 284

Popular in

October

Cheapest in

January

Average price

C$ 631

Good round-trip deal

C$ 666 or less
Air Canada
  • Air Canada
  • 17/12-24/12
  • 2 total stops
  • 12h 01m total
  • Ottawa to Washington, D.C.
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Air Canada
  • Air Canada
  • 2/12-31/12
  • Nonstop
  • 1h 49m total
  • Ottawa to Washington, D.C.
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Highest demand for flights based on searches. 9% potential increase in price (C$ 77 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Ottawa to Washington, D.C. Reagan-National.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Wed 2/12

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 284

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Tue 15/12

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

1 stop4h 34m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 310

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Thu 8/4

5:40 p.m.-9:55 p.m.

1 stop4h 15m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 316

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Tue 22/12

12:10 p.m.-6:18 p.m.

1 stop6h 08m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 326

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Sun 15/11

10:15 a.m.-2:22 p.m.

1 stop4h 07m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 348

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Fri 4/12

12:50 p.m.-7:12 p.m.

1 stop6h 22m

Washington, D.C. Reagan-National

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 352

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Fri 11/12

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 14/12

6:00 a.m.-11:37 a.m.

1 stop5h 37m

C$ 505

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Thu 26/11

5:45 a.m.-10:24 a.m.

1 stop4h 39m

Washington, D.C. Reagan-National

Mon 30/11

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

1 stop4h 52m

C$ 516

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Fri 4/12

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 8/12

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

1 stop4h 52m

C$ 541

OttawaWashington, D.C.

YOW Ottawa - DCA Washington, D.C. Reagan-National

YOWDCA

Ottawa

Tue 12/1

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

1 stop4h 44m

Washington, D.C. Reagan-National

Fri 15/1

6:00 a.m.-9:47 a.m.

1 stop3h 47m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/10

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Washington, D.C. Reagan-National Airport

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of C$ 364). Flying from Ottawa to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of C$ 666). 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 YOW to DCA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to Washington, D.C. Reagan-National Airport as you normally would.

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

Airfare is below average for this route at the moment.

Ottawa to Washington, D.C. Reagan-National Airport flights typically cost between C$ 550 and C$ 705 in December.
The cheapest round-trip price found within the last 5 days was C$ 475 on Air Canada (17 Dec-24 Dec).

Reviews of airlines servicing Reagan-National

Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,462 reviews
Check prices

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.3
Good
10,462 reviews
United Airlines
7.3
Good
10,462 reviews
Check prices

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
11,854 reviews
United Airlines
7.3
Good
10,462 reviews
Check prices

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.7

Boarding

7.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Washington, D.C. Reagan-National?

    For a flight from Ottawa to Washington, D.C. Reagan-National, you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 2 outbound flights to Washington, D.C. Reagan-National per day. 2 airlines have flights to Washington, D.C. Reagan-National from Ottawa on a regular basis.

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

    Departing from Ottawa to Washington, D.C. Reagan-National Airport will take you 1h 49m. There are 727 km between Ottawa and Washington, D.C. Reagan-National Airport. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from Ottawa to Washington, D.C. Reagan-National Airport round-trip?

    According to our current data, United Airlines (C$ 269), and Air Canada (C$ 364) offers the cheapest pricing from Ottawa to Washington, D.C. Reagan-National Airport. United Airlines is 51% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Washington, D.C. Reagan-National Airport from Ottawa, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Jazz (90%), United Airlines( 90%).

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

    While on average a flight from Ottawa to Washington, D.C. Reagan-National Airport is generally C$ 876, our data shows the cheapest flight currently is C$ 515. When looking at the most popular route, (Ottawa - Washington, D.C. Reagan-National), you can expect to pay C$ 399 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of C$ 364). Flying from Ottawa to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of C$ 666). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
College Park
Alexandria
Oxon Hill
Gaithersburg
Reston
Herndon
Ellicott City
Arlington
Fredericksburg
Rockville

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ottawa to Reagan-National

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 269AverageC$ 564FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 364AverageC$ 587FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Ottawa to Reagan-National?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Reagan-National from Ottawa today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Ottawa.

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

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

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

Yes! Start tracking prices for Ottawa to Reagan-National flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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