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Cheap flights from Montreal to Washington, D.C. from C$ 195

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 22/1. 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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Find the cheapest flights from Montreal to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:45 a.m. - 10:24 a.m.
YUL
-
IAD
3h 39m1 stop
Porter Airlines Logo
11:40 a.m. - 3:20 p.m.
IAD
-
YUL
3h 40m1 stop
C$ 312Porter Airlines
Mon, 29 Dec - Wed, 31 Dec
Porter Airlines Logo
11:25 a.m. - 5:14 p.m.
YUL
-
IAD
5h 49m1 stop
Porter Airlines Logo
11:40 a.m. - 5:45 p.m.
IAD
-
YUL
6h 05m1 stop
C$ 327Porter Airlines
Sun, 15 Feb - Thu, 19 Feb
Porter Airlines Logo
6:45 a.m. - 10:24 a.m.
YUL
-
IAD
3h 39m1 stop
Porter Airlines Logo
11:35 a.m. - 4:30 p.m.
IAD
-
YUL
4h 55m1 stop
C$ 332Porter Airlines
Mon, 22 Dec - Fri, 2 Jan
Porter Airlines Logo
11:25 a.m. - 5:14 p.m.
YUL
-
IAD
5h 49m1 stop
Porter Airlines Logo
6:30 p.m. - 10:45 p.m.
IAD
-
YUL
4h 15m1 stop
C$ 340Porter Airlines
Sun, 19 Apr - Sun, 26 Apr
Porter Airlines Logo
6:45 a.m. - 10:24 a.m.
YUL
-
IAD
3h 39m1 stop
Porter Airlines Logo
6:30 p.m. - 10:45 p.m.
IAD
-
YUL
4h 15m1 stop
C$ 344Porter Airlines
Wed, 31 Dec - Fri, 2 Jan
Air Canada Logo
7:00 p.m. - 8:54 p.m.
YUL
-
IAD
1h 54mdirect
Air Canada Logo
9:45 a.m. - 11:30 a.m.
IAD
-
YUL
1h 45mdirect
C$ 355Air Canada
Tue, 20 Jan - Tue, 27 Jan
Air Canada Logo
8:25 a.m. - 10:23 a.m.
YUL
-
DCA
1h 58mdirect
Air Canada Logo
6:00 a.m. - 7:45 a.m.
DCA
-
YUL
1h 45mdirect
C$ 355Air Canada
Tue, 20 Jan - Tue, 27 Jan
Air Canada Logo
8:00 p.m. - 9:58 p.m.
YUL
-
DCA
1h 58mdirect
Air Canada Logo
6:00 a.m. - 7:45 a.m.
DCA
-
YUL
1h 45mdirect
C$ 362Air Canada
Thu, 22 Jan - Thu, 29 Jan
Air Canada Logo
11:10 a.m. - 6:05 p.m.
YUL
-
DCA
6h 55m1 stop
Air Canada Logo
4:15 p.m. - 5:55 p.m.
DCA
-
YUL
1h 40mdirect
C$ 379Air Canada
Thu, 22 Jan - Thu, 29 Jan
Multiple Airlines Logo
8:00 a.m. - 11:59 p.m.
YUL
-
BWI
15h 59m1 stop
Multiple Airlines Logo
8:08 p.m. - 4:22 p.m.
BWI
-
YUL
20h 14m2 stops
C$ 410Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan

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

Our best Porter Airlines deals on Montreal to Washington, D.C. flight tickets
Porter Airlines
29 Dec
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
3h 39m
1 stop
IAD10:24 a.m.Washington, D.C. Dulles Intl
31 Dec
IAD11:40 a.m.Washington, D.C. Dulles Intl
3h 40m
1 stop
YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 312
Find similar
Porter Airlines
7 Apr
YUL1:40 p.m.Montreal Pierre Elliott Trudeau Intl
3h 34m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
28 Apr
IAD11:40 a.m.Washington, D.C. Dulles Intl
4h 50m
1 stop
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 325
Find similar
Porter Airlines
15 Feb
YUL11:25 a.m.Montreal Pierre Elliott Trudeau Intl
5h 49m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
19 Feb
IAD11:40 a.m.Washington, D.C. Dulles Intl
6h 05m
1 stop
YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 327
Find similar

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

Our best Air Canada deals on Montreal to Washington, D.C. flight tickets
Air Canada
20 Jan
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
27 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
1h 45m
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 355
Find similar
Air Canada
22 Jan
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
29 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
1h 45m
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 362
Find similar
Air Canada
22 Jan
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
29 Jan
IAD9:00 a.m.Washington, D.C. Dulles Intl
4h 22m
1 stop
YUL1:22 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 379
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Montreal to Washington, D.C. 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, momondo users made 96,600 searches. Data last updated 8 December 2025.
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 - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 29/12

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

1 stop3h 39m

Washington, D.C. Dulles Intl

Wed 31/12

11:40 a.m.-3:20 p.m.

1 stop3h 40m

C$ 312

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

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

1 stop5h 49m

Washington, D.C. Dulles Intl

Thu 19/2

11:40 a.m.-5:45 p.m.

1 stop6h 05m

C$ 327

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Mon 22/12

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

1 stop3h 39m

Washington, D.C. Dulles Intl

Fri 2/1

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

1 stop4h 55m

C$ 332

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

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

1 stop5h 49m

Washington, D.C. Dulles Intl

Sun 26/4

6:30 p.m.-10:45 p.m.

1 stop4h 15m

C$ 340

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

1 stop3h 39m

Washington, D.C. Dulles Intl

Fri 2/1

6:30 p.m.-10:45 p.m.

1 stop4h 15m

C$ 344

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

Washington, D.C. Dulles Intl

Tue 27/1

9:45 a.m.-11:30 a.m.

Nonstop1h 45m

C$ 355

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

8:25 a.m.-10:23 a.m.

Nonstop1h 58m

Washington, D.C. Reagan-National

Tue 27/1

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

Nonstop1h 45m

C$ 355

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

8:00 p.m.-9:58 p.m.

Nonstop1h 58m

Washington, D.C. Reagan-National

Thu 29/1

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

Nonstop1h 45m

C$ 362

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

11:10 a.m.-6:05 p.m.

1 stop6h 55m

Washington, D.C. Reagan-National

Thu 29/1

4:15 p.m.-5:55 p.m.

Nonstop1h 40m

C$ 379

MontrealBaltimore

YUL - BWI

YULBWI

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

8:00 a.m.-11:59 p.m.

1 stop15h 59m

Baltimore/Washington

Thu 29/1

8:08 p.m.-4:22 p.m.

2 stops20h 14m

C$ 410

Flights are sorted by cheapest round-trip flights first.

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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$ 394.

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$ 743. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 1,110.

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$ 702. 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$ 989 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$ 443 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$ 287 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?

No. A direct flight is the cheapest option for a flight between Montreal to Washington, D.C..

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

As of December 2025, 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$ 307

Fastest flight time

1h 50m

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$ 307. The best round-trip flight deal from Montreal to Washington, D.C. found on momondo in the last 72 hours is C$ 520.
The fastest flight from Montreal to Washington, D.C. takes 1h 50m
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 48m, 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.?

  • 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.?

  • 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 211Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 300Free CancellationRating
8.0
397 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 322Free CancellationRating
7.1
10,512 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 378Free CancellationRating
7.4
9,078 reviews
Search United Airlines flights
WestJetPriceFrom C$ 495Free CancellationRating
7.2
3,193 reviews
Search WestJet flights

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

    Across 39 United Airlines flights from Montreal to Washington, D.C. this week, the average price was C$ 474, with the best United Airlines deals starting from C$ 378 round-trip. 9,078 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 10,512 reviews) operates around 39 flights from Montreal to Washington, D.C. in any given week. The average Air Canada airfare for this route is around C$ 470, with deals from around C$ 322 rare but found on momondo. Referenced prices are for round-trip Montreal to Washington, D.C. flight searches in the last 72 hours.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Gaithersburg
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.

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

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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport