Which airlines fly to Washington, D.C. Reagan-National Airport?

Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Ottawa according to our data. Air Canada is the first choice among our users, with 83% of people opting to fly with this airline when travelling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ottawa to Washington, D.C. Reagan-National?

Air Canada is the most popular carrier operating from Ottawa to Washington, D.C. Reagan-National

When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?

Prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?

There are 2 operators available for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport as of July 2026.

How old do you have to be to fly from Ottawa Airport to Washington, D.C. Reagan-National Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 268 Cheap Flights from Ottawa to Washington, D.C. Reagan-National Airport in 2026

Q: How many flights depart from Ottawa to Washington, D.C. Reagan-National Airport on average per week?

12 flights are operational weekly from Ottawa to Washington, D.C. Reagan-National Airport as of July 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

Q: How many flights depart from Ottawa to Washington, D.C. Reagan-National Airport on average per day?

The number of flights available between Ottawa and Washington, D.C. Reagan-National Airport is 1 per day as of July 2026. The most frequent departure time is 10:00a.m., with 100% of daily flights leaving at noon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YOW

DCA

1h 34mdirect

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

DCA

YOW

1h 32mdirect

C$ 463Air Canada

Thu, 3 Sep - Tue, 8 Sep

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

YOW

DCA

1h 35mdirect

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

DCA

YOW

1h 30mdirect

C$ 463Air Canada

Fri, 2 Oct - Sun, 4 Oct

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

YOW

DCA

1h 35mdirect

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

DCA

YOW

1h 31mdirect

C$ 463Air Canada

Fri, 28 Aug - Mon, 31 Aug

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

YOW

DCA

1h 35mdirect

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

DCA

YOW

1h 30mdirect

C$ 463Air Canada

Fri, 2 Oct - Sun, 4 Oct

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

YOW

DCA

4h 18m

1 stop

6:00 a.m. - 12:20 a.m.

DCA

YOW

18h 20m

2 stops

C$ 581Multiple Airlines

Thu, 20 Aug - Sun, 23 Aug

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

YOW

DCA

5h 44m

1 stop

2:59 p.m. - 9:40 p.m.

DCA

YOW

6h 41m

1 stop

C$ 586American Airlines

Sat, 22 Aug - Tue, 25 Aug

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

YOW

DCA

5h 44m

1 stop

8:32 a.m. - 8:00 p.m.

DCA

YOW

11h 28m

2 stops

C$ 593American Airlines

Sat, 26 Sep - Wed, 7 Oct

6:05 a.m. - 9:46 a.m.

YOW

DCA

3h 41m

1 stop

5:55 p.m. - 10:35 p.m.

DCA

YOW

4h 40m

1 stop

C$ 597United Airlines

Thu, 17 Sep - Mon, 21 Sep

5:57 p.m. - 7:49 a.m.

YOW

DCA

13h 52m

1 stop

10:27 a.m. - 10:35 p.m.

DCA

YOW

12h 08m

1 stop

C$ 598United Airlines

Mon, 7 Sep - Mon, 14 Sep

6:05 a.m. - 9:46 a.m.

YOW

DCA

3h 41m

1 stop

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

DCA

YOW

1h 31mdirect

C$ 632United Airlines

Sun, 16 Aug - Sun, 16 Aug

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Air Canada flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets

Air Canada

2 Oct

YOW10:25 a.m.Ottawa

1h 35m

DCA12:00 p.m.Washington, D.C. Reagan-National

4 Oct

DCA12:40 p.m.Washington, D.C. Reagan-National

1h 30m

YOW2:10 p.m.Ottawa

C$ 463

Air Canada

15 Aug

YOW10:25 a.m.Ottawa

1h 35m

DCA12:00 p.m.Washington, D.C. Reagan-National

16 Aug

DCA12:40 p.m.Washington, D.C. Reagan-National

1h 31m

YOW2:11 p.m.Ottawa

C$ 464

Air Canada

2 Oct

YOW5:50 p.m.Ottawa

4h 00m

1 stop

DCA9:50 p.m.Washington, D.C. Reagan-National

4 Oct

DCA12:40 p.m.Washington, D.C. Reagan-National

1h 30m

YOW2:10 p.m.Ottawa

C$ 467

United Airlines flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

17 Sep

YOW6:05 a.m.Ottawa

3h 41m

1 stop

DCA9:46 a.m.Washington, D.C. Reagan-National

21 Sep

DCA5:55 p.m.Washington, D.C. Reagan-National

4h 40m

1 stop

YOW10:35 p.m.Ottawa

C$ 597

United Airlines

16 Aug

YOW6:05 a.m.Ottawa

3h 41m

1 stop

DCA9:46 a.m.Washington, D.C. Reagan-National

16 Aug

DCA12:40 p.m.Washington, D.C. Reagan-National

1h 31m

YOW2:11 p.m.Ottawa

C$ 632

United Airlines

10 Aug

YOW6:05 a.m.Ottawa

6h 18m

1 stop

DCA12:23 p.m.Washington, D.C. Reagan-National

16 Aug

DCA4:30 p.m.Washington, D.C. Reagan-National

6h 05m

1 stop

YOW10:35 p.m.Ottawa

C$ 744

momondo 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

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 3/9

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

Nonstop1h 34m

Washington, D.C. Reagan-National

Tue 8/9

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

Nonstop1h 32m

C$ 463

Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 2/10

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

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 4/10

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

Nonstop1h 30m

C$ 463

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 28/8

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

Nonstop1h 35m

Washington, D.C. Reagan-National

Mon 31/8

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

Nonstop1h 31m

C$ 463

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 2/10

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

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 4/10

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

Nonstop1h 30m

C$ 463

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 20/8

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

1 stop4h 18m

Washington, D.C. Reagan-National

Sun 23/8

6:00 a.m.-12:20 a.m.

2 stops18h 20m

C$ 581

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 22/8

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

1 stop5h 44m

Washington, D.C. Reagan-National

Tue 25/8

2:59 p.m.-9:40 p.m.

1 stop6h 41m

C$ 586

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 26/9

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

1 stop5h 44m

Washington, D.C. Reagan-National

Wed 7/10

8:32 a.m.-8:00 p.m.

2 stops11h 28m

C$ 593

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 17/9

6:05 a.m.-9:46 a.m.

1 stop3h 41m

Washington, D.C. Reagan-National

Mon 21/9

5:55 p.m.-10:35 p.m.

1 stop4h 40m

C$ 597

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 7/9

5:57 p.m.-7:49 a.m.

1 stop13h 52m

Washington, D.C. Reagan-National

Mon 14/9

10:27 a.m.-10:35 p.m.

1 stop12h 08m

C$ 598

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 16/8

6:05 a.m.-9:46 a.m.

1 stop3h 41m

Washington, D.C. Reagan-National

Sun 16/8

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

Nonstop1h 31m

C$ 632

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Ottawa and Washington, D.C. Reagan-National Airport?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 470 to C$ 652.
The lowest price recently found on this route was C$ 463.

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around C$ 367. If you don’t want to visit Washington, D.C. Reagan-National Airport in January, then you should wait until December to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 490.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from Ottawa is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 658. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Washington, D.C. Reagan-National Airport for around C$ 996.

What is the cheapest Ottawa to Washington, D.C. Reagan-National flight route?

Fly from Ottawa to Washington, D.C. Reagan-National for the best Ottawa - Washington, D.C. Reagan-National flight prices

What cabin class options are available on Ottawa to Washington, D.C. Reagan-National Airport flights?

There are 3 cabin classes available to choose from on Ottawa to Washington, D.C. Reagan-National Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Washington, D.C. Reagan-National Airport flights?

No. A direct flight is the cheapest option for a flight between Ottawa to Washington, D.C. Reagan-National Airport.

How have Ottawa to Washington, D.C. Reagan-National Airport flight prices changed over time?

When to book flights from Ottawa to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Washington, D.C. Reagan-National Airport (YOW to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C. Reagan-National Airport

Best price found	C$ 561
Fastest flight time	1h 34m
Direct flights	Every day

The best flight deal from Ottawa to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is C$ 561

The fastest flight from Ottawa to Washington, D.C. Reagan-National Airport takes 1h 34m

Direct flights go from Ottawa to Washington, D.C. Reagan-National Airport every day.

Search flight deals

Frequently asked questions about flying from Ottawa to Washington, D.C. Reagan-National Airport

How far is Ottawa to Washington, D.C. Reagan-National by plane?
The distance between Ottawa and Washington, D.C. Reagan-National is about 737.6 km. A reasonable flight in good conditions will take 1h 34m.
When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?
There are 2 operators available for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport as of July 2026.
How old do you have to be to fly from Ottawa Airport to Washington, D.C. Reagan-National Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Ottawa and Washington, D.C. Reagan-National Airport, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 36.18% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 35.29%, Canadair (Bombardier) Regional Jet 900 with 23.24%, and Airbus A350-1000 with 0.88%.
What is the most popular airline from Ottawa to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Washington, D.C. Reagan-National Airport is Air Canada (87% of total bookings). The next most popular airline is United Airlines (13%).

Best airlines flying from Ottawa to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 272	Free Cancellation	Rating 7.4 10,052 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 367	Free Cancellation	Rating 7.1 11,405 reviews		Search Air Canada flights

United Airlines Flights From Ottawa to Washington, D.C. Reagan-National Airport
The lowest priced United Airlines flight from Ottawa to Washington, D.C. Reagan-National Airport from the last 72 hours was C$ 272. Generally, United Airlines has 6 flights on this route every week with an average price of C$ 569. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Ottawa to Washington, D.C. Reagan-National Airport
Another popular option for Ottawa to Washington, D.C. Reagan-National Airport flights is Air Canada (7.1/10, 11,405 ratings). Air Canada flies from Ottawa to Washington, D.C. Reagan-National Airport around 6 times per week, with deals starting from C$ 367 round-trip and rising to an average price of around C$ 549.

Alexandria

Gettysburg

Arlington

Gaithersburg

Fairfax

National Harbor

Fredericksburg

Herndon

Manassas

Woodbridge

Silver Spring

Falls Church

Rockville

McLean

Tysons

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Why should I use momondo to find a flight deal from Ottawa to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Washington, D.C. for you.

Can I find flights from Ottawa to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ottawa to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to Washington, D.C.?

Once you have performed a search for Ottawa to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ottawa to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

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Cheap flights from Ottawa to Washington, D.C. from C$ 268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets

United Airlines flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets

momondo 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.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Reagan-National Airport

What is the typical price of a round-trip flight between Ottawa and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest Ottawa to Washington, D.C. Reagan-National flight route?

What cabin class options are available on Ottawa to Washington, D.C. Reagan-National Airport flights?

Can stopping save me money on Ottawa to Washington, D.C. Reagan-National Airport flights?

How have Ottawa to Washington, D.C. Reagan-National Airport flight prices changed over time?

What is the cheapest airline that flies from Ottawa to Washington, D.C. Reagan-National?

Which airlines fly to Washington, D.C. Reagan-National Airport?

How many flights depart from Ottawa to Washington, D.C. Reagan-National Airport on average per day?

How many flights depart from Ottawa to Washington, D.C. Reagan-National Airport on average per week?

When to book flights from Ottawa to Washington, D.C. Reagan-National Airport

Cheap Ottawa to Washington, D.C. Reagan-National Airport (YOW to DCA) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Washington, D.C. Reagan-National Airport

Best airlines flying from Ottawa to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Reagan-National Airport with momondo

Travelling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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Washington, D.C. Reagan-National Airport flight routes

According to popular flight searches on momondo this year

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Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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