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Cheap flights from Washington, D.C. to Montreal from $126

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 10/8. 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 (WAS-YMQ)

Cheap round-trip flights

Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
$264Porter Airlines
Find Deal
Mon, Oct 6 - Sun, Oct 12
Logo
9:45 am - 11:38 amIAD-YUL
1h 53mnonstop
Logo
11:25 am - 5:34 pmYUL-IAD
6h 09m1 stop
$266
Find Deal
Wed, Nov 12 - Tue, Nov 18
Air Canada Logo
4:10 pm - 5:55 pmDCA-YUL
1h 45mnonstop
Air Canada Logo
8:00 pm - 9:56 pmYUL-DCA
1h 56mnonstop
$267Air Canada
Find Deal
Sun, Jan 18 - Sun, Jan 25
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
$267Porter Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 28
Air Canada Logo
12:55 pm - 7:14 pmDCA-YUL
6h 19m1 stop
Air Canada Logo
8:00 pm - 9:56 pmYUL-DCA
1h 56mnonstop
$272Air Canada
Find Deal
Sun, Jan 18 - Sun, Jan 25
Delta Logo
6:00 am - 11:31 amIAD-YUL
5h 31m1 stop
Delta Logo
2:45 pm - 11:18 pmYUL-IAD
8h 33m1 stop
$292Delta
Find Deal
Sun, Oct 12 - Sat, Oct 25
Delta Logo
12:00 pm - 11:16 pmDCA-YUL
11h 16m1 stop
Delta Logo
7:00 am - 5:20 pmYUL-DCA
10h 20m1 stop
$292Delta
Find Deal
Fri, Sep 5 - Wed, Sep 10
WestJet Logo
10:00 am - 4:01 pmDCA-YUL
6h 01m1 stop
WestJet Logo
4:55 pm - 10:56 pmYUL-DCA
6h 01m1 stop
$353WestJet
Find Deal
Mon, Feb 9 - Sat, Feb 21
WestJet Logo
2:40 pm - 11:18 pmDCA-YUL
8h 38m1 stop
WestJet Logo
6:45 am - 4:35 pmYUL-DCA
9h 50m2 stops
$358WestJet
Find Deal
Sat, Sep 27 - Wed, Oct 1
Sun Country Air Logo
12:17 pm - 12:38 pmBWI-YUL
24h 21m1 stop
Sun Country Air Logo
9:45 am - 11:20 amYUL-BWI
25h 35m1 stop
$384Sun Country Air
Find Deal
Thu, Sep 25 - Sun, Sep 28

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

Our best Porter Airlines deals on Washington, D.C. to Montreal flight tickets
Porter Airlines
Oct 6
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
Oct 12
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
6h 11m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$264
Find similar
Porter Airlines
Sep 19
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
Sep 28
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
6h 11m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$267
Find similar
Porter Airlines
Oct 6
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
Oct 8
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$268
Find similar

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

Our best Air Canada deals on Washington, D.C. to Montreal flight tickets
Air Canada
Jan 18
DCA4:10 pmWashington, D.C. Reagan-National
1h 45m
YUL5:55 pmMontreal Pierre Elliott Trudeau Intl
Jan 25
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
1h 56m
DCA9:56 pmWashington, D.C. Reagan-National
$267
Find similar
Air Canada
Jan 18
DCA12:55 pmWashington, D.C. Reagan-National
6h 19m
1 stop
YUL7:14 pmMontreal Pierre Elliott Trudeau Intl
Jan 25
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
1h 56m
DCA9:56 pmWashington, D.C. Reagan-National
$272
Find similar
Air Canada
Nov 12
DCA12:55 pmWashington, D.C. Reagan-National
6h 19m
1 stop
YUL7:14 pmMontreal Pierre Elliott Trudeau Intl
Nov 18
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
1h 56m
DCA9:56 pmWashington, D.C. Reagan-National
$284
Find similar

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 832,500 searches. Data last updated August 25, 2025.
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 10/6

4:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 10/12

8:55 am-3:06 pm

1 stop6h 11m

$264

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 11/12

9:45 am-11:38 am

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Tue 11/18

11:25 am-5:34 pm

1 stop6h 09m

$266

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 1/18

4:10 pm-5:55 pm

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

8:00 pm-9:56 pm

Nonstop1h 56m

$267

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 9/19

4:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 9/28

8:55 am-3:06 pm

1 stop6h 11m

$267

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 1/18

12:55 pm-7:14 pm

1 stop6h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 1/25

8:00 pm-9:56 pm

Nonstop1h 56m

$272

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 10/12

6:00 am-11:31 am

1 stop5h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 10/25

2:45 pm-11:18 pm

1 stop8h 33m

$292

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 9/5

12:00 pm-11:16 pm

1 stop11h 16m

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

7:00 am-5:20 pm

1 stop10h 20m

$292

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 2/9

10:00 am-4:01 pm

1 stop6h 01m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

4:55 pm-10:56 pm

1 stop6h 01m

$353

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 9/27

2:40 pm-11:18 pm

1 stop8h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

6:45 am-4:35 pm

2 stops9h 50m

$358

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 9/25

12:17 pm-12:38 pm

1 stop24h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 9/28

9:45 am-11:20 am

1 stop25h 35m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 March. Flight prices, which tend to average around $356, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of March, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $362.

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

The cheapest day to depart from Washington, D.C. to Montreal is on a Thursday when prices can be found for as low as $583. Flights from Washington, D.C. to Montreal on a Tuesday will generally be more expensive and average around $760. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Montreal is at noon. Flights from Washington, D.C. to Montreal during this time can be as low as $610. In the afternoon is when there is more demand to fly to Montreal, so prices are often more expensive at around $692 per ticket.

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 $348 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 $281 on momondo.

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

There are 4 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 August 2025, 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

$185

Fastest flight time

1h 41m

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 $185. The best round-trip flight deal from Washington, D.C. to Montreal found on momondo in the last 72 hours is $385.
The fastest flight from Washington, D.C. to Montreal takes 1h 41m
Direct flights go from Washington, D.C. to Montreal every day.
There is 1 airport near Montreal: Montreal Pierre Elliott Trudeau Intl (YUL)
Search flight deals

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

    Washington, D.C. and Montreal are 488.5 mi apart from one another. By plane, this route typically takes 1h 45m.

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

    Prices for flights from Washington, D.C. to Montreal were last updated today.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 required travel and health documents for your Montreal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $133Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom $212Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $253Free CancellationRating
7.9
344 reviews
Search Porter Airlines flights
WestJetPriceFrom $356Free CancellationRating
7.2
3,050 reviews
Search WestJet flights

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

    United Airlines flies from Washington, D.C. to Montreal around 38 times per week, with 8,940 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. to Montreal in the last 72 hours was $223 (round-trip), much lower than the average airfare cost of $486 for United Airlines flights on this route.

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

    Air Canada is also a popular choice for this route. Air Canada flight deals for Washington, D.C. to Montreal start from as low as $133 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $366. Air Canada operates 38 flights to Montreal from Washington, D.C. in an average week. Users have rated it 7.1/10 across 10,000 reviews.

Why use momondo?

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

Finding the right flight to Montreal from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Montreal quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Montreal from Washington, D.C. with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Montreal.

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

If you are simply researching potential flights to Montreal, momondo offers a useful price alert feature which will track prices for flights to Montreal from Washington, D.C. and alert you when they change.

An easier way to manage your Montreal trip

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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 9.4 mi from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport