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Cheap flights from Washington, D.C. to Montreal from $122

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 12/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:40 am - 4:30 pmIAD-YUL
4h 50m1 stop
Porter Airlines Logo
6:45 am - 10:24 amYUL-IAD
3h 39m1 stop
$229Porter Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
Porter Airlines Logo
11:40 am - 3:20 pmIAD-YUL
3h 40m1 stop
Porter Airlines Logo
1:40 pm - 5:14 pmYUL-IAD
3h 34m1 stop
$230Porter Airlines
Find Deal
Fri, Dec 19 - Tue, Dec 23
Porter Airlines Logo
6:30 pm - 10:45 pmIAD-YUL
4h 15m1 stop
Porter Airlines Logo
1:40 pm - 5:14 pmYUL-IAD
3h 34m1 stop
$231Porter Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27
Porter Airlines Logo
6:30 pm - 10:45 pmIAD-YUL
4h 15m1 stop
Porter Airlines Logo
8:55 am - 12:29 pmYUL-IAD
3h 34m1 stop
$234Porter Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 13
Porter Airlines Logo
11:40 am - 3:20 pmIAD-YUL
3h 40m1 stop
Porter Airlines Logo
6:45 am - 10:24 amYUL-IAD
3h 39m1 stop
$235Porter Airlines
Find Deal
Sun, Dec 21 - Sun, Jan 4
Multiple Airlines Logo
8:42 am - 8:14 pmBWI-YUL
11h 32m2 stops
Multiple Airlines Logo
8:00 am - 7:01 pmYUL-BWI
11h 01m1 stop
$277Multiple Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 9
Air Canada Logo
6:00 am - 7:45 amDCA-YUL
1h 45mnonstop
Air Canada Logo
8:50 am - 12:19 pmYUL-DCA
3h 29m1 stop
$297Air Canada
Find Deal
Mon, Dec 1 - Mon, Dec 15
Air Canada Logo
4:10 pm - 5:55 pmDCA-YUL
1h 45mnonstop
Air Canada Logo
8:50 am - 12:19 pmYUL-DCA
3h 29m1 stop
$299Air Canada
Find Deal
Fri, Dec 12 - Sun, Dec 14
Air Canada Logo
8:40 pm - 1:53 amDCA-YUL
5h 13m1 stop
Air Canada Logo
8:50 am - 12:19 pmYUL-DCA
3h 29m1 stop
$301Air Canada
Find Deal
Fri, Dec 12 - Sun, Dec 14
Air Canada Logo
6:00 am - 7:45 amDCA-YUL
1h 45mnonstop
Air Canada Logo
4:10 pm - 10:35 pmYUL-DCA
6h 25m1 stop
$304Air Canada
Find Deal
Sun, Dec 14 - Sun, Dec 14

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

Our best Air Canada deals on Washington, D.C. to Montreal flight tickets
Air Canada
Dec 11
IAD9:45 amWashington, D.C. Dulles Intl
1h 53m
YUL11:38 amMontreal Pierre Elliott Trudeau Intl
Dec 15
YUL7:00 pmMontreal Pierre Elliott Trudeau Intl
1h 59m
IAD8:59 pmWashington, D.C. Dulles Intl
$289
Find similar
Air Canada
Dec 13
DCA6:00 amWashington, D.C. Reagan-National
1h 45m
YUL7:45 amMontreal Pierre Elliott Trudeau Intl
Dec 14
YUL8:50 amMontreal Pierre Elliott Trudeau Intl
3h 29m
1 stop
DCA12:19 pmWashington, D.C. Reagan-National
$297
Find similar
Air Canada
Dec 12
DCA4:10 pmWashington, D.C. Reagan-National
1h 45m
YUL5:55 pmMontreal Pierre Elliott Trudeau Intl
Dec 14
YUL8:50 amMontreal Pierre Elliott Trudeau Intl
3h 29m
1 stop
DCA12:19 pmWashington, D.C. Reagan-National
$299
Find similar

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

Our best Porter Airlines deals on Washington, D.C. to Montreal flight tickets
Porter Airlines
Jan 15
IAD11:40 amWashington, D.C. Dulles Intl
4h 50m
1 stop
YUL4:30 pmMontreal Pierre Elliott Trudeau Intl
Jan 19
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
3h 39m
1 stop
IAD10:24 amWashington, D.C. Dulles Intl
$229
Find similar
Porter Airlines
Dec 19
IAD11:40 amWashington, D.C. Dulles Intl
3h 40m
1 stop
YUL3:20 pmMontreal Pierre Elliott Trudeau Intl
Dec 23
YUL1:40 pmMontreal Pierre Elliott Trudeau Intl
3h 34m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
$230
Find similar
Porter Airlines
Nov 24
IAD6:30 pmWashington, D.C. Dulles Intl
4h 15m
1 stop
YUL10:45 pmMontreal Pierre Elliott Trudeau Intl
Nov 27
YUL1:40 pmMontreal Pierre Elliott Trudeau Intl
3h 34m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
$231
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 November 12, 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

Thu 1/15

11:40 am-4:30 pm

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 1/19

6:45 am-10:24 am

1 stop3h 39m

$229

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 12/19

11:40 am-3:20 pm

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 12/23

1:40 pm-5:14 pm

1 stop3h 34m

$230

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 11/24

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 11/27

1:40 pm-5:14 pm

1 stop3h 34m

$231

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 12/2

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 12/13

8:55 am-12:29 pm

1 stop3h 34m

$234

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 12/21

11:40 am-3:20 pm

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 1/4

6:45 am-10:24 am

1 stop3h 39m

$235

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 2/6

8:42 am-8:14 pm

2 stops11h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

8:00 am-7:01 pm

1 stop11h 01m

$277

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 12/1

6:00 am-7:45 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 12/15

8:50 am-12:19 pm

1 stop3h 29m

$297

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 12/12

4:10 pm-5:55 pm

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

8:50 am-12:19 pm

1 stop3h 29m

$299

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 12/12

8:40 pm-1:53 am

1 stop5h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

8:50 am-12:19 pm

1 stop3h 29m

$301

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 12/14

6:00 am-7:45 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

4:10 pm-10:35 pm

1 stop6h 25m

$304

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 February. Flight prices, which tend to average around $359, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of February, then departing from Washington, D.C. during the month March is also very affordable. Most momondo users find prices during this month for around $372.

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 $569. Flights from Washington, D.C. to Montreal on a Wednesday will generally be more expensive and average around $734. 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 in the evening. Flights from Washington, D.C. to Montreal during this time can be as low as $604. In the afternoon is when there is more demand to fly to Montreal, so prices are often more expensive at around $670 per ticket.

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 $342 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 $294 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.

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

As of November 2025, prices for Washington, D.C. to Montreal flights are approximately 10% 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

$148

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 $148. The best round-trip flight deal from Washington, D.C. to Montreal found on momondo in the last 72 hours is $375.
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 41m.

  • 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 $137Free CancellationRating
7.1
10,443 reviews
Search Air Canada flights
DeltaPriceFrom $212Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $247Free CancellationRating
8.0
389 reviews
Search Porter Airlines flights
WestJetPriceFrom $422Free CancellationRating
7.2
3,159 reviews
Search WestJet flights

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

    United Airlines flies from Washington, D.C. to Montreal around 40 times per week, with 9,015 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 $230 (round-trip), much lower than the average airfare cost of $467 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 $137 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $365. Air Canada operates 41 flights to Montreal from Washington, D.C. in an average week. Users have rated it 7.1/10 across 10,443 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