What is the cheapest airline that flies from Montreal to Washington, D.C.?

Air Canada, Porter Airlines, and United Airlines are the most popular carriers operating from Montreal to Washington, D.C.

How many flights depart from Montreal to Washington, D.C. on average per week?

As of November 2025, there are 105 flights per week flying from Montreal to Washington, D.C.. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Which airlines fly to Washington, D.C.?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Montreal according to our data. Air Canada is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

How many flights depart from Montreal to Washington, D.C. on average per day?

As of November 2025, there are 15 flights per day flying from Montreal to Washington, D.C.. The most common time of day flights depart is 9:00a.m., with 39% of flights taking off in the afternoon.

When did momondo last update prices for flights from Montreal to Washington, D.C.?

Prices for flights from Montreal to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from Montreal to Washington, D.C.?

There are 5 operators available for flights from Montreal to Washington, D.C. as of November 2025.

How old do you have to be to fly from Montreal to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 198 Cheap Flights from Montreal to Washington, D.C. in 2025/26

Q: What is the typical price of a round-trip flight between Montreal and Washington, D.C.?

Prices are currently low for flights on this route. Typical prices usually range from C$ 388 to C$ 634. The lowest price recently found on this route was C$ 344.

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8:50 a.m. - 12:19 p.m.YUL-DCA

3h 29m1 stop

8:40 p.m. - 1:53 a.m.DCA-YUL

5h 13m1 stop

C$ 344Air Canada

Find Deal

Thu, 18 Dec - Mon, 22 Dec

6:45 a.m. - 10:24 a.m.YUL-IAD

3h 39m1 stop

11:35 a.m. - 4:30 p.m.IAD-YUL

4h 55m1 stop

C$ 351Porter Airlines

Find Deal

Thu, 18 Dec - Thu, 8 Jan

8:25 a.m. - 10:21 a.m.YUL-DCA

1h 56mdirect

6:00 a.m. - 7:45 a.m.DCA-YUL

1h 45mdirect

C$ 356Air Canada

Find Deal

Wed, 24 Dec - Sun, 28 Dec

6:45 a.m. - 10:24 a.m.YUL-IAD

3h 39m1 stop

11:35 a.m. - 5:45 p.m.IAD-YUL

6h 10m1 stop

C$ 356Porter Airlines

Find Deal

Wed, 17 Dec - Mon, 5 Jan

8:00 p.m. - 9:53 p.m.YUL-DCA

1h 53mdirect

4:10 p.m. - 5:58 p.m.DCA-YUL

1h 48mdirect

C$ 358Air Canada

Find Deal

Tue, 21 Apr - Sat, 25 Apr

6:45 a.m. - 10:24 a.m.YUL-IAD

3h 39m1 stop

8:35 a.m. - 8:14 p.m.IAD-YUL

11h 39m2 stops

C$ 359Multiple Airlines

Find Deal

Fri, 9 Jan - Mon, 12 Jan

10:30 a.m. - 6:05 p.m.YUL-DCA

7h 35m2 stops

6:59 a.m. - 12:22 p.m.DCA-YUL

5h 23m1 stop

C$ 360Air Canada

Find Deal

Thu, 25 Dec - Fri, 2 Jan

1:40 p.m. - 5:14 p.m.YUL-IAD

3h 34m1 stop

11:35 a.m. - 5:45 p.m.IAD-YUL

6h 10m1 stop

C$ 362Porter Airlines

Find Deal

Fri, 19 Dec - Sun, 4 Jan

11:25 a.m. - 5:14 p.m.YUL-IAD

5h 49m1 stop

1:45 p.m. - 6:45 p.m.IAD-YUL

5h 00m1 stop

C$ 363Porter Airlines

Find Deal

Fri, 5 Dec - Sat, 6 Dec

6:00 a.m. - 11:52 a.m.YUL-DCA

5h 52m1 stop

1:45 p.m. - 11:58 p.m.DCA-YUL

10h 13m1 stop

C$ 365Delta

Find Deal

Tue, 21 Apr - Sat, 25 Apr

Porter Airlines flights from Montreal to Washington, D.C.

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets

Porter Airlines

18 Dec

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

3h 39m

1 stop

IAD10:24 a.m.Washington, D.C. Dulles Intl

8 Jan

IAD11:35 a.m.Washington, D.C. Dulles Intl

4h 55m

1 stop

YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 351

Find similar

Porter Airlines

17 Dec

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

3h 39m

1 stop

IAD10:24 a.m.Washington, D.C. Dulles Intl

5 Jan

IAD11:35 a.m.Washington, D.C. Dulles Intl

6h 10m

1 stop

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 356

Find similar

Porter Airlines

21 Dec

YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl

3h 34m

1 stop

IAD5:14 p.m.Washington, D.C. Dulles Intl

4 Jan

IAD11:40 a.m.Washington, D.C. Dulles Intl

4h 50m

1 stop

YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 358

Find similar

United Airlines flights from Montreal to Washington, D.C.

Our best United Airlines deals on Montreal to Washington, D.C. flight tickets

United Airlines

4 Dec

YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl

2h 08m

IAD4:21 p.m.Washington, D.C. Dulles Intl

7 Dec

IAD8:45 a.m.Washington, D.C. Dulles Intl

4h 43m

1 stop

YUL1:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 428

Find similar

United Airlines

4 Dec

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

5h 34m

1 stop

DCA12:34 p.m.Washington, D.C. Reagan-National

7 Dec

DCA7:00 a.m.Washington, D.C. Reagan-National

6h 28m

1 stop

YUL1:28 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 436

Find similar

United Airlines

9 Dec

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

2h 08m

IAD11:23 a.m.Washington, D.C. Dulles Intl

9 Dec

IAD5:19 p.m.Washington, D.C. Dulles Intl

4h 23m

1 stop

YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 443

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Montreal to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

8:50 a.m.-12:19 p.m.

1 stop3h 29m

Washington, D.C. Reagan-National

Mon 22/12

8:40 p.m.-1:53 a.m.

1 stop5h 13m

C$ 344

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 18/12

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Thu 8/1

11:35 a.m.-4:30 p.m.

1 stop4h 55m

C$ 351

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Wed 24/12

8:25 a.m.-10:21 a.m.

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 28/12

6:00 a.m.-7:45 a.m.

Nonstop1h 45m

C$ 356

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Mon 5/1

11:35 a.m.-5:45 p.m.

1 stop6h 10m

C$ 356

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

8:00 p.m.-9:53 p.m.

Nonstop1h 53m

Washington, D.C. Reagan-National

Sat 25/4

4:10 p.m.-5:58 p.m.

Nonstop1h 48m

C$ 358

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Mon 12/1

8:35 a.m.-8:14 p.m.

2 stops11h 39m

C$ 359

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 25/12

10:30 a.m.-6:05 p.m.

2 stops7h 35m

Washington, D.C. Reagan-National

Fri 2/1

6:59 a.m.-12:22 p.m.

1 stop5h 23m

C$ 360

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 19/12

1:40 p.m.-5:14 p.m.

1 stop3h 34m

Washington, D.C. Dulles Intl

Sun 4/1

11:35 a.m.-5:45 p.m.

1 stop6h 10m

C$ 362

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

11:25 a.m.-5:14 p.m.

1 stop5h 49m

Washington, D.C. Dulles Intl

Sat 6/12

1:45 p.m.-6:45 p.m.

1 stop5h 00m

C$ 363

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:00 a.m.-11:52 a.m.

1 stop5h 52m

Washington, D.C. Reagan-National

Sat 25/4

1:45 p.m.-11:58 p.m.

1 stop10h 13m

C$ 365

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 Montreal to Washington, D.C.

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 Montreal and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

If you aren’t able to travel during the month of October, then book flights to Washington, D.C. from Montreal during May instead. Flights to Washington, D.C. in May, while not as cheap as those in October, still average around C$ 400.

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

The cheapest day to depart from Montreal to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 757. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 1,130.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Montreal to Washington, D.C. when you can find flight prices for as low as C$ 712. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 988 per ticket.

What is the cheapest Montreal to Washington, D.C. flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl for the best Montreal - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around C$ 458 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Montreal for as low as C$ 292 on momondo.

What cabin class options are available on Montreal to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Montreal to Washington, D.C. 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 Montreal to Washington, D.C. flights?

You could potentially save up to 2% on your flight if you consider stops on a Montreal to Washington, D.C. flight.

How have Montreal to Washington, D.C. flight prices changed over time?

As of November 2025, prices for Montreal to Washington, D.C. flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Montreal to Washington, D.C.

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

Estimated round-trip price

Cheap Montreal to Washington, D.C. (YMQ to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Washington, D.C.

Best price found	C$ 332
Fastest flight time	1h 46m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Montreal in the past 72 hours is C$ 332. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is C$ 495.

The fastest flight from Montreal to Washington, D.C. takes 1h 46m

Direct flights go from Montreal to Washington, D.C. every day.

There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

Search flight deals

How far is Montreal to Washington, D.C. by plane?
Washington, D.C. is 786.1 km away from Montreal. Flights usually cover this in 1h 54m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Montreal to Washington, D.C.?
Prices for flights from Montreal to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Washington, D.C.?
There are 5 operators available for flights from Montreal to Washington, D.C. as of November 2025.
How old do you have to be to fly from Montreal to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montreal to Washington, D.C. is Embraer 175 (Enhanced Winglets) (20.43% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (11.69%), Embraer 175 (11.52%), and Airbus A321-100/200 (7.54%).
What is the most popular airline from Montreal to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Washington, D.C. is Air Canada (64% of total bookings). The next most popular airlines are Porter Airlines (20%) and United Airlines (16%).

Best airlines flying from Montreal to Washington, D.C.

Compare and see reviews for airlines that fly from Montreal to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 260	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Porter Airlines	PriceFrom C$ 304	Free Cancellation	Rating 8.0 392 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 329	Free Cancellation	Rating 7.1 10,457 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 369	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 503	Free Cancellation	Rating 7.2 3,163 reviews	Search WestJet flights

United Airlines Flights From Montreal to Washington, D.C.
Across 42 United Airlines flights from Montreal to Washington, D.C. this week, the average price was C$ 478, with the best United Airlines deals starting from C$ 369 round-trip. 9,014 users have rated United Airlines on momondo, with an average score of 7.4/10.
Air Canada Flights From Montreal to Washington, D.C.
Air Canada (7.1/10 from 10,457 reviews) operates around 42 flights from Montreal to Washington, D.C. in any given week. The average Air Canada airfare for this route is around C$ 480, with deals from around C$ 329 rare but found on momondo. Referenced prices are for round-trip Montreal to Washington, D.C. flight searches in the last 72 hours.

Gettysburg

Alexandria

Fairfax

Linthicum Heights

Silver Spring

Bethesda

Reston

Herndon

Laurel

Capitol Heights

Arlington

Manassas

Fredericksburg

Woodbridge

Rockville

McLean

National Harbor

Tysons

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington, D.C. from Montreal which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Montreal and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Montreal 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.

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Find better results for your trip to the United States

Cheap flights from Montreal to Washington, D.C. from C$ 198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Washington, D.C. departing on 30/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Trusted and free

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

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Porter Airlines flights from Montreal to Washington, D.C.

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets

United Airlines flights from Montreal to Washington, D.C.

Our best United Airlines deals on Montreal to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montreal to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Montreal to Washington, D.C.

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

What is the typical price of a round-trip flight between Montreal and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

If you aren’t able to travel during the month of October, then book flights to Washington, D.C. from Montreal during May instead. Flights to Washington, D.C. in May, while not as cheap as those in October, still average around C$ 400.

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

The cheapest day to depart from Montreal to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 757. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 1,130.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

What is the cheapest Montreal to Washington, D.C. flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Washington, D.C. Dulles Intl for the best Montreal - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

What cabin class options are available on Montreal to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Montreal to Washington, D.C. 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 Montreal to Washington, D.C. flights?

You could potentially save up to 2% on your flight if you consider stops on a Montreal to Washington, D.C. flight.

How have Montreal to Washington, D.C. flight prices changed over time?

As of November 2025, prices for Montreal to Washington, D.C. flights are approximately 4% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Montreal to Washington, D.C.?

Air Canada, Porter Airlines, and United Airlines are the most popular carriers operating from Montreal to Washington, D.C.

Which airlines fly to Washington, D.C.?

How many flights depart from Montreal to Washington, D.C. on average per day?

As of November 2025, there are 15 flights per day flying from Montreal to Washington, D.C.. The most common time of day flights depart is 9:00a.m., with 39% of flights taking off in the afternoon.

How many flights depart from Montreal to Washington, D.C. on average per week?

As of November 2025, there are 105 flights per week flying from Montreal to Washington, D.C.. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

When to book flights from Montreal to Washington, D.C.

Cheap Montreal to Washington, D.C. (YMQ to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Washington, D.C.

Best price found

Fastest flight time

Direct flights

Airports in Washington, D.C.

How far is Montreal to Washington, D.C. by plane?

When did momondo last update prices for flights from Montreal to Washington, D.C.?

How many operators does momondo search for flights from Montreal to Washington, D.C.?

How old do you have to be to fly from Montreal to Washington, D.C.?

What documentation or ID do you need to fly to Washington, D.C.?

What is the most popular plane model from Montreal to Washington, D.C.?

What is the most popular airline from Montreal to Washington, D.C.?

Best airlines flying from Montreal to Washington, D.C.

Compare and see reviews for airlines that fly from Montreal to Washington, D.C. with momondo

United Airlines Flights From Montreal to Washington, D.C.

Air Canada Flights From Montreal to Washington, D.C.

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

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. 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.

Get notified when prices go down

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

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.