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Cheap flights from Washington, D.C. to Montreal from $102

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 1/24. 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
6:30 pm - 10:45 pm
IAD
-
YUL
4h 15m1 stop
Porter Airlines Logo
6:45 am - 10:22 am
YUL
-
IAD
3h 37m1 stop
$268Porter Airlines
Fri, Feb 20 - Mon, Feb 23
Air Canada Logo
9:45 am - 11:30 am
IAD
-
YUL
1h 45mnonstop
Air Canada Logo
11:10 am - 3:46 pm
YUL
-
IAD
4h 36m1 stop
$271Air Canada
Sat, Jan 17 - Sun, Jan 18
Air Canada Logo
11:05 am - 12:46 pm
DCA
-
YUL
1h 41mnonstop
Air Canada Logo
3:10 pm - 7:45 pm
YUL
-
DCA
4h 35m1 stop
$271Air Canada
Sat, Jan 17 - Sat, Jan 17
Porter Airlines Logo
6:30 pm - 10:45 pm
IAD
-
YUL
4h 15m1 stop
Porter Airlines Logo
1:40 pm - 5:14 pm
YUL
-
IAD
3h 34m1 stop
$272Porter Airlines
Tue, Apr 14 - Sun, Apr 19
Porter Airlines Logo
11:40 am - 4:30 pm
IAD
-
YUL
4h 50m1 stop
Porter Airlines Logo
11:25 am - 5:14 pm
YUL
-
IAD
5h 49m1 stop
$274Porter Airlines
Fri, Apr 3 - Sun, Apr 5
Porter Airlines Logo
6:30 pm - 10:45 pm
IAD
-
YUL
4h 15m1 stop
Porter Airlines Logo
11:25 am - 5:14 pm
YUL
-
IAD
5h 49m1 stop
$275Porter Airlines
Thu, Apr 2 - Thu, Apr 9
Air Canada Logo
9:00 am - 3:39 pm
IAD
-
YUL
6h 39m2 stops
Air Canada Logo
5:50 pm - 7:40 pm
YUL
-
IAD
1h 50mnonstop
$276Air Canada
Wed, Apr 15 - Wed, Apr 15
Porter Airlines Logo
11:40 am - 5:45 pm
IAD
-
YUL
6h 05m1 stop
Porter Airlines Logo
1:40 pm - 5:14 pm
YUL
-
IAD
3h 34m1 stop
$277Porter Airlines
Thu, Apr 2 - Mon, Apr 6
Porter Airlines Logo
11:40 am - 4:30 pm
IAD
-
YUL
4h 50m1 stop
Porter Airlines Logo
8:55 am - 5:14 pm
YUL
-
IAD
8h 19m1 stop
$279Porter Airlines
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
6:00 am - 7:45 am
DCA
-
YUL
1h 45mnonstop
Multiple Airlines Logo
6:00 am - 6:59 pm
YUL
-
DCA
12h 59m1 stop
$305Multiple Airlines
Sat, Feb 14 - Sun, Feb 15

Delta flights from Washington, D.C. to Montreal

Our best Delta deals on Washington, D.C. to Montreal flight tickets
Delta
Mar 31
IAD6:00 amWashington, D.C. Dulles Intl
5h 59m
1 stop
YUL11:59 amMontreal Pierre Elliott Trudeau Intl
Apr 8
YUL6:00 amMontreal Pierre Elliott Trudeau Intl
5h 32m
1 stop
IAD11:32 amWashington, D.C. Dulles Intl
$314
Find similar
Delta
Jan 15
DCA6:05 amWashington, D.C. Reagan-National
5h 59m
1 stop
YUL12:04 pmMontreal Pierre Elliott Trudeau Intl
Jan 21
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
7h 30m
1 stop
DCA2:30 pmWashington, D.C. Reagan-National
$315
Find similar
Delta
Jan 17
DCA1:05 pmWashington, D.C. Reagan-National
10h 45m
2 stops
YUL11:50 pmMontreal Pierre Elliott Trudeau Intl
Jan 18
YUL12:54 pmMontreal Pierre Elliott Trudeau Intl
10h 16m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$329
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 17
DCA11:05 amWashington, D.C. Reagan-National
1h 41m
YUL12:46 pmMontreal Pierre Elliott Trudeau Intl
Jan 17
YUL3:10 pmMontreal Pierre Elliott Trudeau Intl
4h 35m
1 stop
DCA7:45 pmWashington, D.C. Reagan-National
$271
Find similar
Air Canada
Mar 31
IAD9:55 amWashington, D.C. Dulles Intl
1h 43m
YUL11:38 amMontreal Pierre Elliott Trudeau Intl
Apr 3
YUL5:50 pmMontreal Pierre Elliott Trudeau Intl
1h 50m
IAD7:40 pmWashington, D.C. Dulles Intl
$289
Find similar
Air Canada
Apr 9
DCA12:55 pmWashington, D.C. Reagan-National
6h 11m
1 stop
YUL7:06 pmMontreal Pierre Elliott Trudeau Intl
Apr 16
YUL8:30 amMontreal Pierre Elliott Trudeau Intl
1h 49m
DCA10:19 amWashington, D.C. Reagan-National
$295
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 January 2, 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

Fri 2/20

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 2/23

6:45 am-10:22 am

1 stop3h 37m

$268

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 1/17

9:45 am-11:30 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

11:10 am-3:46 pm

1 stop4h 36m

$271

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 1/17

11:05 am-12:46 pm

Nonstop1h 41m

Montreal Pierre Elliott Trudeau Intl

Sat 1/17

3:10 pm-7:45 pm

1 stop4h 35m

$271

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 4/14

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

1:40 pm-5:14 pm

1 stop3h 34m

$272

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 4/3

11:40 am-4:30 pm

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

11:25 am-5:14 pm

1 stop5h 49m

$274

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/2

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

11:25 am-5:14 pm

1 stop5h 49m

$275

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 4/15

9:00 am-3:39 pm

2 stops6h 39m

Montreal Pierre Elliott Trudeau Intl

Wed 4/15

5:50 pm-7:40 pm

Nonstop1h 50m

$276

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/2

11:40 am-5:45 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 4/6

1:40 pm-5:14 pm

1 stop3h 34m

$277

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 2/26

11:40 am-4:30 pm

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 3/1

8:55 am-5:14 pm

1 stop8h 19m

$279

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 2/14

6:00 am-7:45 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:00 am-6:59 pm

1 stop12h 59m

$305

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 $348, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of January, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $354.

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 Monday will generally be more expensive and average around $688. 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 morning. Flights from Washington, D.C. to Montreal during this time can be as low as $572. At noon is when there is more demand to fly to Montreal, so prices are often more expensive at around $698 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 $290 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 January 2026, prices for Washington, D.C. to Montreal flights are approximately 38% 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

$180

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Montreal

2 airports
The best one-way flight to Montreal from Washington, D.C. in the past 72 hours is $180. The best round-trip flight deal from Washington, D.C. to Montreal found on momondo in the last 72 hours is $413.
The fastest flight from Washington, D.C. to Montreal takes 1h 40m
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?

    Washington, D.C. and Montreal are 488.5 mi apart from one another. By plane, this route typically takes 1h 40m.

  • 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
10,574 reviews
Search Air Canada flights
DeltaPriceFrom $213Free CancellationRating
7.9
8,023 reviews
Search Delta flights
Porter AirlinesPriceFrom $235Free CancellationRating
8.0
403 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,128 reviews
Search United Airlines flights
WestJetPriceFrom $422Free CancellationRating
7.2
3,231 reviews
Search WestJet flights

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

    United Airlines flies from Washington, D.C. to Montreal around 39 times per week, with 9,128 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 $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 $364. Air Canada operates 39 flights to Montreal from Washington, D.C. in an average week. Users have rated it 7.1/10 across 10,574 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