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Cheap flights from Washington, D.C. to Montreal from C$ 137

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 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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

Cheap round-trip flights

Porter Airlines Logo
4:20 p.m. - 8:10 p.m.IAD-YUL
3h 50m1 stop
Porter Airlines Logo
10:45 a.m. - 3:06 p.m.YUL-IAD
4h 21m1 stop
C$ 317Porter Airlines
Find Deal
Mon, 8 Sep - Tue, 9 Sep
Porter Airlines Logo
4:10 p.m. - 8:10 p.m.IAD-YUL
4h 00m1 stop
Porter Airlines Logo
10:45 a.m. - 2:56 p.m.YUL-IAD
4h 11m1 stop
C$ 322Porter Airlines
Find Deal
Mon, 11 Aug - Tue, 19 Aug
Porter Airlines Logo
4:10 p.m. - 8:10 p.m.IAD-YUL
4h 00m1 stop
Porter Airlines Logo
10:45 a.m. - 2:56 p.m.YUL-IAD
4h 11m1 stop
C$ 325Porter Airlines
Find Deal
Mon, 11 Aug - Fri, 15 Aug
Air Canada Logo
6:00 a.m. - 7:49 a.m.DCA-YUL
1h 49mdirect
Air Canada Logo
2:00 p.m. - 3:51 p.m.YUL-DCA
1h 51mdirect
C$ 339Air Canada
Find Deal
Sat, 20 Sep - Wed, 24 Sep
Air Canada Logo
4:35 p.m. - 6:25 p.m.DCA-YUL
1h 50mdirect
Air Canada Logo
5:10 p.m. - 10:35 p.m.YUL-DCA
5h 25m1 stop
C$ 342Air Canada
Find Deal
Sun, 19 Oct - Mon, 27 Oct
 Logo
10:20 a.m. - 3:21 p.m.IAD-YUL
5h 01m1 stop
 Logo
10:20 a.m. - 2:56 p.m.YUL-IAD
4h 36m1 stop
C$ 370
Find Deal
Sat, 23 Aug - Sat, 30 Aug
Delta Logo
6:00 a.m. - 10:07 a.m.DCA-YUL
4h 07m1 stop
Delta Logo
7:00 a.m. - 5:14 p.m.YUL-DCA
10h 14m1 stop
C$ 428Delta
Find Deal
Wed, 30 Jul - Sat, 9 Aug
Delta Logo
2:00 p.m. - 7:25 p.m.DCA-YUL
5h 25m1 stop
Delta Logo
6:00 a.m. - 6:30 p.m.YUL-DCA
12h 30m2 stops
C$ 430Delta
Find Deal
Sat, 13 Sep - Sat, 20 Sep
United Airlines Logo
7:00 a.m. - 1:09 p.m.DCA-YUL
6h 09m1 stop
United Airlines Logo
4:55 p.m. - 10:43 p.m.YUL-DCA
5h 48m1 stop
C$ 436United Airlines
Find Deal
Wed, 3 Sep - Wed, 3 Sep
 Logo
10:04 a.m. - 10:15 p.m.BWI-YUL
12h 11m2 stops
 Logo
8:30 p.m. - 11:44 a.m.YUL-BWI
15h 14m1 stop
C$ 456
Find Deal
Thu, 14 Aug - Mon, 18 Aug

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

Our best Porter Airlines deals on Washington, D.C. to Montreal flight tickets
Porter Airlines
8 Sep
IAD4:20 p.m.Washington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
9 Sep
YUL10:45 a.m.Montreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 p.m.Washington, D.C. Dulles Intl
Porter Airlines
11 Aug
IAD4:10 p.m.Washington, D.C. Dulles Intl
4h 00m
1 stop
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
19 Aug
YUL10:45 a.m.Montreal Pierre Elliott Trudeau Intl
4h 11m
1 stop
IAD2:56 p.m.Washington, D.C. Dulles Intl
Porter Airlines
11 Aug
IAD4:10 p.m.Washington, D.C. Dulles Intl
4h 00m
1 stop
YUL8:10 p.m.Montreal Pierre Elliott Trudeau Intl
15 Aug
YUL10:45 a.m.Montreal Pierre Elliott Trudeau Intl
4h 11m
1 stop
IAD2:56 p.m.Washington, D.C. Dulles Intl

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

Our best Air Canada deals on Washington, D.C. to Montreal flight tickets
Air Canada
20 Sep
DCA6:00 a.m.Washington, D.C. Reagan-National
1h 49m
YUL7:49 a.m.Montreal Pierre Elliott Trudeau Intl
24 Sep
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 51m
DCA3:51 p.m.Washington, D.C. Reagan-National
Air Canada
19 Oct
DCA4:35 p.m.Washington, D.C. Reagan-National
1h 50m
YUL6:25 p.m.Montreal Pierre Elliott Trudeau Intl
27 Oct
YUL5:10 p.m.Montreal Pierre Elliott Trudeau Intl
5h 25m
1 stop
DCA10:35 p.m.Washington, D.C. Reagan-National
Air Canada
20 Sep
DCA4:35 p.m.Washington, D.C. Reagan-National
1h 50m
YUL6:25 p.m.Montreal Pierre Elliott Trudeau Intl
24 Sep
YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl
3h 53m
1 stop
DCA12:08 p.m.Washington, D.C. Reagan-National

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 cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from Washington, D.C. is in March. Flight prices, which tend to average around C$ 486, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Montreal from Washington, D.C. during February instead. Flights to Montreal in February, while not as cheap as those in March, still average around C$ 495.

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

Our data shows that Tuesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 417. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Montreal for around C$ 702.

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$ 523. Flights in the morning are often more expensive with an average ticket price of C$ 556.

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

Fly from Washington, D.C. Dulles Intl 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$ 488 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$ 369 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?

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

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

As of July 2025, prices for Washington, D.C. to Montreal flights are approximately 28% cheaper 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$ 137

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Montreal

1 airport
The best one-way flight to Montreal from Washington, D.C. in the past 72 hours is C$ 137. The best round-trip flight deal from Washington, D.C. to Montreal found on momondo in the last 72 hours is C$ 317.
The fastest flight from Washington, D.C. to Montreal takes 1h 45m
Direct flights go from Washington, D.C. to Montreal every day.
There is 1 airport near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL)

  • 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 45m 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$ 193Free CancellationRating
7.1
9,691 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 323Free CancellationRating
8.0
303 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 466Free CancellationRating
7.2
2,922 reviews
Search WestJet 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 41 flights/week on average for this route. A good Air Canada flight deal for Washington, D.C. to Montreal starts from C$ 141 round-trip, up to an average price of C$ 371. 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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Mon 14/7
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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