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Cheap flights from Washington, D.C. to Montreal from C$ 146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Montreal departing on 9/3. 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 Washington, D.C. to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
4:05 p.m. - 8:10 p.m.
IAD
-
YUL
4h 05m
1 stop
Porter Airlines Logo
10:35 a.m. - 3:21 p.m.
YUL
-
IAD
4h 46m
1 stop
C$ 388Porter Airlines
Mon, 11 May - Thu, 21 May
Porter Airlines Logo
11:30 a.m. - 6:15 p.m.
IAD
-
YUL
6h 45m
1 stop
Porter Airlines Logo
10:35 a.m. - 3:21 p.m.
YUL
-
IAD
4h 46m
1 stop
C$ 390Porter Airlines
Fri, 15 May - Thu, 21 May
Porter Airlines Logo
11:30 a.m. - 5:15 p.m.
IAD
-
YUL
5h 45m
1 stop
Porter Airlines Logo
10:35 a.m. - 3:21 p.m.
YUL
-
IAD
4h 46m
1 stop
C$ 391Porter Airlines
Fri, 1 May - Mon, 4 May
Multiple Airlines Logo
11:40 a.m. - 5:45 p.m.
IAD
-
YUL
6h 05m
1 stop
Multiple Airlines Logo
5:25 p.m. - 7:24 a.m.
YUL
-
IAD
13h 59m
2 stops
C$ 395Multiple Airlines
Thu, 26 Mar - Sun, 29 Mar
Porter Airlines Logo
11:40 a.m. - 4:30 p.m.
IAD
-
YUL
4h 50m
1 stop
Porter Airlines Logo
11:45 a.m. - 5:14 p.m.
YUL
-
IAD
5h 29m
1 stop
C$ 398Porter Airlines
Mon, 9 Mar - Fri, 27 Mar
Multiple Airlines Logo
11:40 a.m. - 4:30 p.m.
IAD
-
YUL
4h 50m
1 stop
Multiple Airlines Logo
5:25 p.m. - 7:24 a.m.
YUL
-
IAD
13h 59m
2 stops
C$ 399Multiple Airlines
Thu, 26 Mar - Sun, 29 Mar
Air Canada Logo
11:05 a.m. - 12:46 p.m.
DCA
-
YUL
1h 41mdirect
Air Canada Logo
8:25 a.m. - 10:21 a.m.
YUL
-
DCA
1h 56mdirect
C$ 403Air Canada
Sat, 14 Mar - Mon, 16 Mar
Air Canada Logo
6:00 a.m. - 7:45 a.m.
DCA
-
YUL
1h 45mdirect
Air Canada Logo
8:25 a.m. - 10:21 a.m.
YUL
-
DCA
1h 56mdirect
C$ 405Air Canada
Thu, 5 Mar - Sun, 8 Mar
Air Canada Logo
4:10 p.m. - 5:55 p.m.
DCA
-
YUL
1h 45mdirect
Air Canada Logo
5:20 p.m. - 10:35 p.m.
YUL
-
DCA
5h 15m
1 stop
C$ 413Air Canada
Sat, 14 Mar - Mon, 16 Mar
Air Canada Logo
12:55 p.m. - 7:14 p.m.
DCA
-
YUL
6h 19m
1 stop
Air Canada Logo
5:20 p.m. - 10:35 p.m.
YUL
-
DCA
5h 15m
1 stop
C$ 422Air Canada
Thu, 5 Mar - Sun, 8 Mar

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

Our best Porter Airlines deals on Washington, D.C. to Montreal flight tickets
Porter Airlines
11 May
IAD4:05 p.m.Washington, D.C. Dulles Intl
4h 05m
1 stop
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
21 May
YUL10:35 a.m.Montreal Pierre Elliott Trudeau Intl
4h 46m
1 stop
IAD3:21 p.m.Washington, D.C. Dulles Intl
C$ 388
Porter Airlines
15 May
IAD11:30 a.m.Washington, D.C. Dulles Intl
6h 45m
1 stop
YUL6:15 p.m.Montreal Pierre Elliott Trudeau Intl
21 May
YUL10:35 a.m.Montreal Pierre Elliott Trudeau Intl
4h 46m
1 stop
IAD3:21 p.m.Washington, D.C. Dulles Intl
C$ 390
Porter Airlines
1 May
IAD11:30 a.m.Washington, D.C. Dulles Intl
5h 45m
1 stop
YUL5:15 p.m.Montreal Pierre Elliott Trudeau Intl
4 May
YUL10:35 a.m.Montreal Pierre Elliott Trudeau Intl
4h 46m
1 stop
IAD3:21 p.m.Washington, D.C. Dulles Intl
C$ 391

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

Our best United Airlines deals on Washington, D.C. to Montreal flight tickets
United Airlines
21 Feb
DCA9:05 a.m.Washington, D.C. Reagan-National
4h 23m
1 stop
YUL1:28 p.m.Montreal Pierre Elliott Trudeau Intl
21 Feb
YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl
6h 07m
1 stop
DCA10:52 p.m.Washington, D.C. Reagan-National
C$ 500
United Airlines
20 Feb
IAD1:13 p.m.Washington, D.C. Dulles Intl
2h 03m
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
24 Feb
YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl
2h 08m
IAD4:21 p.m.Washington, D.C. Dulles Intl
C$ 507
United Airlines
21 Feb
IAD5:34 p.m.Washington, D.C. Dulles Intl
4h 08m
1 stop
YUL9:42 p.m.Montreal Pierre Elliott Trudeau Intl
24 Feb
YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl
2h 14m
IAD11:29 a.m.Washington, D.C. Dulles Intl
C$ 521

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Montreal 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 9 February 2026.
Use the filters below to find and compare flights from Washington, D.C. to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 11/5

4:05 p.m.-8:10 p.m.

1 stop4h 05m

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

10:35 a.m.-3:21 p.m.

1 stop4h 46m

C$ 388

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 15/5

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

1 stop6h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 21/5

10:35 a.m.-3:21 p.m.

1 stop4h 46m

C$ 390

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 1/5

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

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

10:35 a.m.-3:21 p.m.

1 stop4h 46m

C$ 391

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 26/3

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

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

5:25 p.m.-7:24 a.m.

2 stops13h 59m

C$ 395

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 9/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 27/3

11:45 a.m.-5:14 p.m.

1 stop5h 29m

C$ 398

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 26/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

5:25 p.m.-7:24 a.m.

2 stops13h 59m

C$ 399

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 14/3

11:05 a.m.-12:46 p.m.

Nonstop1h 41m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

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

Nonstop1h 56m

C$ 403

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 5/3

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

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

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

Nonstop1h 56m

C$ 405

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 14/3

4:10 p.m.-5:55 p.m.

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

5:20 p.m.-10:35 p.m.

1 stop5h 15m

C$ 413

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 5/3

12:55 p.m.-7:14 p.m.

1 stop6h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

5:20 p.m.-10:35 p.m.

1 stop5h 15m

C$ 422

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Montreal from

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

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 Washington, D.C. and Montreal?

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from Washington, D.C. is in January. Flight prices, which tend to average around C$ 476, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Montreal from Washington, D.C. during February instead. Flights to Montreal in February, while not as cheap as those in January, still average around C$ 492.

What is the cheapest day to depart on your flight to Montreal?

Our data shows that Friday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 515. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Montreal for around C$ 976.

What is the cheapest time of day to depart on your flight to Montreal?

Our data shows that the cheapest Washington, D.C. to Montreal flights are usually those with departure times in the afternoon. Our users have found flights to Montreal in the afternoon for as low as C$ 539. Flights at noon are often more expensive with an average ticket price of C$ 812.

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

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

How far in advance should I book a flight to Montreal?

You are more likely to see cheaper flights to Montreal from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around C$ 480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Washington, D.C. for as low as C$ 405 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. to Montreal 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 Washington, D.C. to Montreal flights?

You could potentially save up to 27% on your flight if you consider stops on a Washington, D.C. to Montreal flight.

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

As of February 2026, prices for Washington, D.C. to Montreal flights are approximately 14% more expensive when compared to flights at the same time last year.

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

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

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

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

Best price found

C$ 217

Fastest flight time

1h 41m

Direct flights

Every day

Airports in Montreal

2 airports
The best flight deal from Washington, D.C. to Montreal found on momondo in the last 72 hours is C$ 217
The fastest flight from Washington, D.C. to Montreal takes 1h 41m
Direct flights go from Washington, D.C. to Montreal every day.
There are 2 airports in Montreal. From Washington, D.C. there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).
Search flight deals

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

    Montreal is 786.1 km away from Washington, D.C.. Typically, this will take 1h 41m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. to Montreal refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Montreal.

  • What documentation or ID do you need to fly to Montreal?

    The travel and health documents required for your trip to Montreal 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 Montreal. 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 Washington, D.C. to Montreal?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Montreal with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 176Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 323Free CancellationRating
7.9
413 reviews
Search Porter Airlines flights

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

    Air Canada is one of the most popular airlines flying from Washington, D.C. to Montreal, operating 37 flights/week on average for this route. A good Air Canada flight deal for Washington, D.C. to Montreal starts from C$ 176 round-trip, up to an average price of C$ 579. Our users have rated Air Canada at 7.1/10.

Why use momondo?

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

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 Washington, D.C. to Montreal for you.

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

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

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

Once you have performed a search for Washington, D.C. to Montreal 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 Washington, D.C. to Montreal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Montreal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 15.1 km from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport