Cheap flights from Washington, D.C. to Montreal from $129

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 12/12. 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

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Multiple Airlines Logo
1:45 pm - 6:45 pmIAD-YUL
5h 00m1 stop
Multiple Airlines Logo
7:00 pm - 8:59 pmYUL-IAD
1h 59mnonstop
$262Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Porter Airlines Logo
1:45 pm - 6:45 pmIAD-YUL
5h 00m1 stop
Porter Airlines Logo
11:25 am - 5:14 pmYUL-IAD
5h 49m1 stop
$266Porter Airlines
Find Deal
Sat, Nov 22 - Tue, Nov 25
Porter Airlines Logo
11:40 am - 5:45 pmIAD-YUL
6h 05m1 stop
Porter Airlines Logo
11:25 am - 5:14 pmYUL-IAD
5h 49m1 stop
$267Porter Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
Multiple Airlines Logo
11:40 am - 4:30 pmIAD-YUL
4h 50m1 stop
Multiple Airlines Logo
7:00 pm - 8:59 pmYUL-IAD
1h 59mnonstop
$268Multiple Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Multiple Airlines Logo
1:45 pm - 6:45 pmIAD-YUL
5h 00m1 stop
Multiple Airlines Logo
4:10 pm - 8:26 pmYUL-IAD
4h 16m1 stop
$270Multiple Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Air Canada Logo
6:00 am - 7:45 amDCA-YUL
1h 45mnonstop
Air Canada Logo
8:00 pm - 9:56 pmYUL-DCA
1h 56mnonstop
$293Air Canada
Find Deal
Sat, Dec 6 - Fri, Dec 12
Air Canada Logo
4:10 pm - 5:55 pmDCA-YUL
1h 45mnonstop
Air Canada Logo
1:35 pm - 3:31 pmYUL-DCA
1h 56mnonstop
$295Air Canada
Find Deal
Mon, Jan 19 - Wed, Jan 21
WestJet Logo
6:06 am - 11:59 amDCA-YUL
5h 53m1 stop
WestJet Logo
12:50 pm - 6:59 pmYUL-DCA
6h 09m1 stop
$321WestJet
Find Deal
Thu, Nov 27 - Thu, Dec 4
WestJet Logo
6:00 am - 11:58 amDCA-YUL
5h 58m1 stop
WestJet Logo
7:30 pm - 12:57 pmYUL-DCA
17h 27m1 stop
$361WestJet
Find Deal
Wed, Dec 31 - Wed, Jan 7
United Airlines Logo
9:05 am - 1:28 pmDCA-YUL
4h 23m1 stop
United Airlines Logo
3:00 pm - 9:55 pmYUL-DCA
6h 55m1 stop
$374United Airlines
Find Deal
Tue, Nov 25 - Fri, Dec 5

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

Our best Porter Airlines deals on Washington, D.C. to Montreal flight tickets
Porter Airlines
Nov 22
IAD1:45 pmWashington, D.C. Dulles Intl
5h 00m
1 stop
YUL6:45 pmMontreal Pierre Elliott Trudeau Intl
Nov 25
YUL11:25 amMontreal Pierre Elliott Trudeau Intl
5h 49m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Porter Airlines
Nov 27
IAD11:40 amWashington, D.C. Dulles Intl
6h 05m
1 stop
YUL5:45 pmMontreal Pierre Elliott Trudeau Intl
Dec 2
YUL11:25 amMontreal Pierre Elliott Trudeau Intl
5h 49m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Porter Airlines
Nov 21
IAD6:30 pmWashington, D.C. Dulles Intl
4h 15m
1 stop
YUL10:45 pmMontreal Pierre Elliott Trudeau Intl
Nov 25
YUL1:40 pmMontreal Pierre Elliott Trudeau Intl
3h 34m
1 stop
IAD5:14 pmWashington, 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
Dec 6
DCA6:00 amWashington, D.C. Reagan-National
1h 45m
YUL7:45 amMontreal Pierre Elliott Trudeau Intl
Dec 12
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
1h 56m
DCA9:56 pmWashington, D.C. Reagan-National
Air Canada
Jan 19
DCA4:10 pmWashington, D.C. Reagan-National
1h 45m
YUL5:55 pmMontreal Pierre Elliott Trudeau Intl
Jan 21
YUL1:35 pmMontreal Pierre Elliott Trudeau Intl
1h 56m
DCA3:31 pmWashington, D.C. Reagan-National
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

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 October 29, 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

Sat 12/6

1:45 pm-6:45 pm

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

7:00 pm-8:59 pm

Nonstop1h 59m

$262

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 11/22

1:45 pm-6:45 pm

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 11/25

11:25 am-5:14 pm

1 stop5h 49m

$266

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/27

11:40 am-5:45 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 12/2

11:25 am-5:14 pm

1 stop5h 49m

$267

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 12/11

11:40 am-4:30 pm

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 12/15

7:00 pm-8:59 pm

Nonstop1h 59m

$268

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 12/6

1:45 pm-6:45 pm

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

4:10 pm-8:26 pm

1 stop4h 16m

$270

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 12/6

6:00 am-7:45 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

8:00 pm-9:56 pm

Nonstop1h 56m

$293

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 1/19

4:10 pm-5:55 pm

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 1/21

1:35 pm-3:31 pm

Nonstop1h 56m

$295

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 11/27

6:06 am-11:59 am

1 stop5h 53m

Montreal Pierre Elliott Trudeau Intl

Thu 12/4

12:50 pm-6:59 pm

1 stop6h 09m

$321

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-11:58 am

1 stop5h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

7:30 pm-12:57 pm

1 stop17h 27m

$361

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 11/25

9:05 am-1:28 pm

1 stop4h 23m

Montreal Pierre Elliott Trudeau Intl

Fri 12/5

3:00 pm-9:55 pm

1 stop6h 55m

$374

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 January is also very affordable. Most momondo users find prices during this month for around $360.

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 $568. Flights from Washington, D.C. to Montreal on a Wednesday will generally be more expensive and average around $744. 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 $674 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 $349 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 $288 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 October 2025, prices for Washington, D.C. to Montreal flights are approximately 4% 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

$174

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 $174. The best round-trip flight deal from Washington, D.C. to Montreal found on momondo in the last 72 hours is $347.
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)
  • 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
10,371 reviews
Search Air Canada flights
DeltaPriceFrom $212Free CancellationRating
7.9
7,994 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $247Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
WestJetPriceFrom $422Free CancellationRating
7.2
3,148 reviews
Search WestJet flights
  • United Airlines Flights From Washington, D.C. to Montreal

    United Airlines flies from Washington, D.C. to Montreal around 30 times per week, with 9,001 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 $242 (round-trip), much lower than the average airfare cost of $470 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 $366. Air Canada operates 31 flights to Montreal from Washington, D.C. in an average week. Users have rated it 7.1/10 across 10,371 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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1 adult
Fri 11/28
Fri 12/5

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