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

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

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 63% 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 week?

As of April 2026, there are 102 flights per week flying from Montreal to Washington, D.C.. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

As of April 2026, there are 14 flights per day flying from Montreal to Washington, D.C.. The most common time of day flights depart is 9:00a.m., with 36% 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 April 2026.

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$ 204 Cheap Flights from Montreal to Washington, D.C. in 2026

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$ 521 to C$ 389. The lowest price recently found on this route was C$ 341.

1 adult

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 p.m. - 8:37 p.m.

YUL

IAD

2h 02mdirect

8:20 a.m. - 1:09 p.m.

IAD

YUL

4h 49m

1 stop

C$ 341United Airlines

Sat, 2 May - Sun, 3 May

6:30 a.m. - 10:46 a.m.

YUL

IAD

4h 16m

1 stop

11:30 a.m. - 5:15 p.m.

IAD

YUL

5h 45m

1 stop

C$ 342Porter Airlines

Thu, 28 May - Tue, 2 Jun

6:30 a.m. - 10:46 a.m.

YUL

IAD

4h 16m

1 stop

11:30 a.m. - 5:15 p.m.

IAD

YUL

5h 45m

1 stop

C$ 345Porter Airlines

Fri, 29 May - Sun, 31 May

6:30 a.m. - 10:46 a.m.

YUL

IAD

4h 16m

1 stop

11:30 a.m. - 6:15 p.m.

IAD

YUL

6h 45m

1 stop

C$ 346Porter Airlines

Thu, 21 May - Tue, 26 May

6:30 a.m. - 10:46 a.m.

YUL

IAD

4h 16m

1 stop

4:05 p.m. - 10:10 p.m.

IAD

YUL

6h 05m

1 stop

C$ 348Porter Airlines

Tue, 2 Jun - Mon, 8 Jun

5:00 p.m. - 6:58 p.m.

YUL

IAD

1h 58mdirect

5:15 p.m. - 9:45 p.m.

IAD

YUL

4h 30m

1 stop

C$ 350Air Canada

Fri, 12 Jun - Sun, 14 Jun

1:05 p.m. - 3:03 p.m.

YUL

IAD

1h 58mdirect

9:45 a.m. - 11:33 a.m.

IAD

YUL

1h 48mdirect

C$ 352Air Canada

Fri, 12 Jun - Sun, 14 Jun

8:00 p.m. - 9:55 p.m.

YUL

DCA

1h 55mdirect

4:20 p.m. - 6:12 p.m.

DCA

YUL

1h 52mdirect

C$ 352Air Canada

Fri, 12 Jun - Sun, 14 Jun

1:50 p.m. - 3:39 p.m.

YUL

DCA

1h 49mdirect

12:45 p.m. - 6:39 p.m.

DCA

YUL

5h 54m

1 stop

C$ 354Air Canada

Fri, 22 May - Mon, 25 May

6:35 p.m. - 8:40 p.m.

YUL

IAD

2h 05mdirect

10:11 p.m. - 12:13 a.m.

IAD

YUL

2h 02mdirect

C$ 361United Airlines

Fri, 29 May - Sun, 31 May

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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

Porter Airlines

28 May

YUL6:30 a.m.Montreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 a.m.Washington, D.C. Dulles Intl

2 Jun

IAD11:30 a.m.Washington, D.C. Dulles Intl

5h 45m

1 stop

YUL5:15 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 342

Porter Airlines

29 May

YUL6:30 a.m.Montreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 a.m.Washington, D.C. Dulles Intl

31 May

IAD11:30 a.m.Washington, D.C. Dulles Intl

5h 45m

1 stop

YUL5:15 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 345

Porter Airlines

21 May

YUL6:30 a.m.Montreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 a.m.Washington, D.C. Dulles Intl

26 May

IAD11:30 a.m.Washington, D.C. Dulles Intl

6h 45m

1 stop

YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 346

Air Canada flights from Montreal to Washington, D.C.

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets

Air Canada

12 Jun

YUL5:00 p.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD6:58 p.m.Washington, D.C. Dulles Intl

14 Jun

IAD5:15 p.m.Washington, D.C. Dulles Intl

4h 30m

1 stop

YUL9:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 350

Air Canada

12 Jun

YUL1:05 p.m.Montreal Pierre Elliott Trudeau Intl

1h 58m

IAD3:03 p.m.Washington, D.C. Dulles Intl

14 Jun

IAD9:45 a.m.Washington, D.C. Dulles Intl

1h 48m

YUL11:33 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 352

Air Canada

22 May

YUL1:50 p.m.Montreal Pierre Elliott Trudeau Intl

1h 49m

DCA3:39 p.m.Washington, D.C. Reagan-National

25 May

DCA12:45 p.m.Washington, D.C. Reagan-National

5h 54m

1 stop

YUL6:39 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 354

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:35 p.m.-8:37 p.m.

Nonstop2h 02m

Washington, D.C. Dulles Intl

Sun 3/5

8:20 a.m.-1:09 p.m.

1 stop4h 49m

C$ 341

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

6:30 a.m.-10:46 a.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 2/6

11:30 a.m.-5:15 p.m.

1 stop5h 45m

C$ 342

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:30 a.m.-10:46 a.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

Sun 31/5

11:30 a.m.-5:15 p.m.

1 stop5h 45m

C$ 345

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

6:30 a.m.-10:46 a.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

Tue 26/5

11:30 a.m.-6:15 p.m.

1 stop6h 45m

C$ 346

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

6:30 a.m.-10:46 a.m.

1 stop4h 16m

Washington, D.C. Dulles Intl

Mon 8/6

4:05 p.m.-10:10 p.m.

1 stop6h 05m

C$ 348

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

5:00 p.m.-6:58 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 14/6

5:15 p.m.-9:45 p.m.

1 stop4h 30m

C$ 350

Quickest round-trip

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

1:05 p.m.-3:03 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 14/6

9:45 a.m.-11:33 a.m.

Nonstop1h 48m

C$ 352

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

8:00 p.m.-9:55 p.m.

Nonstop1h 55m

Washington, D.C. Reagan-National

Sun 14/6

4:20 p.m.-6:12 p.m.

Nonstop1h 52m

C$ 352

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

1:50 p.m.-3:39 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 25/5

12:45 p.m.-6:39 p.m.

1 stop5h 54m

C$ 354

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:35 p.m.-8:40 p.m.

Nonstop2h 05m

Washington, D.C. Dulles Intl

Sun 31/5

10:11 p.m.-12:13 a.m.

Nonstop2h 02m

C$ 361

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$ 390.

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$ 784. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 1,176.

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

In the morning 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$ 843. Flying to Washington, D.C. in the morning 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$ 1,090 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

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 8% 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 April 2026, prices for Montreal to Washington, D.C. flights are approximately 7% more expensive 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$ 298
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$ 298. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is C$ 471.

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 in Washington, D.C.. From Montreal there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

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Frequently asked questions about flying from Montreal to Washington, D.C.

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 46m, 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 April 2026.
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) (28.11% of total bookings). The next most popular plane models are Boeing 777-300ER (8.97%), Airbus A321-100/200 (8.56%), and Canadair (Bombardier) Regional Jet 900 (7.15%).
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 (75% of total bookings). The next most popular airlines are Porter Airlines (17%) and United Airlines (8%).

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$ 209	Free Cancellation	Rating 7.9 8,422 reviews	Search Delta flights
United Airlines	PriceFrom C$ 261	Free Cancellation	Rating 7.4 9,605 reviews	Search United Airlines flights
Porter Airlines	PriceFrom C$ 296	Free Cancellation	Rating 8.0 435 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 318	Free Cancellation	Rating 7.1 10,939 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 450	Free Cancellation	Rating 7.2 3,321 reviews	Search WestJet flights

United Airlines Flights From Montreal to Washington, D.C.
Across 37 United Airlines flights from Montreal to Washington, D.C. this week, the average price was C$ 586, with the best United Airlines deals starting from C$ 261 round-trip. 9,605 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 10,939 reviews) operates around 37 flights from Montreal to Washington, D.C. in any given week. The average Air Canada airfare for this route is around C$ 506, with deals from around C$ 318 rare but found on momondo. Referenced prices are for round-trip Montreal to Washington, D.C. flight searches in the last 72 hours.

Alexandria

Gettysburg

Fairfax

Gaithersburg

Linthicum Heights

Bethesda

National Harbor

Reston

Laurel

Herndon

Arlington

Fredericksburg

Manassas

Woodbridge

Silver Spring

Rockville

McLean

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Montreal to Washington, D.C. from C$ 204

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 4/6. 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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Porter Airlines flights from Montreal to Washington, D.C.

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

Air Canada flights from Montreal to Washington, D.C.

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets

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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.

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.?

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

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?

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

Can stopping save me money on Montreal to Washington, D.C. flights?

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

What is the cheapest airline that flies 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?

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

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.

Frequently asked questions about flying 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.?

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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.

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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.

Fly your favourite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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