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Cheap flights from Washington, D.C. to Montreal from $139

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 6/14. 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
11:30 am - 6:10 pm
IAD
-
YUL
6h 40m
1 stop
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
$278Porter Airlines
Sat, Jul 11 - Tue, Jul 14
Porter Airlines Logo
11:30 am - 5:15 pm
IAD
-
YUL
5h 45m
1 stop
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
$283Porter Airlines
Sun, Jun 14 - Fri, Jun 19
Air Canada Logo
9:40 am - 11:27 am
DCA
-
YUL
1h 47mnonstop
Air Canada Logo
2:10 pm - 7:57 pm
YUL
-
DCA
5h 47m
1 stop
$284Air Canada
Tue, Jul 21 - Tue, Jul 21
Porter Airlines Logo
11:30 am - 6:10 pm
IAD
-
YUL
6h 40m
1 stop
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
$284Porter Airlines
Sun, Jul 12 - Tue, Jul 21
Porter Airlines Logo
4:00 pm - 8:10 pm
IAD
-
YUL
4h 10m
1 stop
Porter Airlines Logo
6:30 am - 10:46 am
YUL
-
IAD
4h 16m
1 stop
$285Porter Airlines
Tue, Jun 30 - Fri, Jul 3
Air Canada Logo
6:00 am - 7:46 am
DCA
-
YUL
1h 46mnonstop
Air Canada Logo
1:50 pm - 3:39 pm
YUL
-
DCA
1h 49mnonstop
$304Air Canada
Wed, Jun 10 - Wed, Jun 17
Multiple Airlines Logo
1:29 pm - 6:15 pm
BWI
-
YUL
28h 46m
2 stops
Multiple Airlines Logo
6:50 pm - 5:19 pm
YUL
-
BWI
22h 29m
1 stop
$460Multiple Airlines
Wed, Jun 10 - Wed, Jun 17
Multiple Airlines Logo
1:29 pm - 6:15 pm
BWI
-
YUL
28h 46m
2 stops
Multiple Airlines Logo
6:50 pm - 5:19 pm
YUL
-
BWI
22h 29m
1 stop
$462Multiple Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
7:00 am - 5:05 pm
BWI
-
YUL
10h 05m
1 stop
Delta Logo
7:00 am - 5:08 pm
YUL
-
BWI
10h 08m
1 stop
$487Delta
Fri, Oct 2 - Mon, Oct 5
Delta Logo
7:00 am - 5:05 pm
BWI
-
YUL
10h 05m
1 stop
Delta Logo
6:00 am - 6:52 pm
YUL
-
BWI
12h 52m
2 stops
$497Delta
Thu, Sep 24 - Mon, Sep 28

Air Canada flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
Jul 21
DCA9:40 amWashington, D.C. Reagan-National
1h 47m
YUL11:27 amMontreal Pierre Elliott Trudeau Intl
Jul 21
YUL2:10 pmMontreal Pierre Elliott Trudeau Intl
5h 47m
1 stop
DCA7:57 pmWashington, D.C. Reagan-National
$284
Air Canada
Jun 10
DCA6:00 amWashington, D.C. Reagan-National
1h 46m
YUL7:46 amMontreal Pierre Elliott Trudeau Intl
Jun 17
YUL1:50 pmMontreal Pierre Elliott Trudeau Intl
1h 49m
DCA3:39 pmWashington, D.C. Reagan-National
$304
Air Canada
Jul 18
DCA6:55 pmWashington, D.C. Reagan-National
5h 37m
1 stop
YUL12:32 amMontreal Pierre Elliott Trudeau Intl
Jul 19
YUL8:30 amMontreal Pierre Elliott Trudeau Intl
1h 48m
DCA10:18 amWashington, D.C. Reagan-National
$314

Porter Airlines flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

Our best Porter Airlines deals on Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Porter Airlines
Jul 11
IAD11:30 amWashington, D.C. Dulles Intl
6h 40m
1 stop
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
Jul 14
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
4h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$278
Porter Airlines
Jun 14
IAD11:30 amWashington, D.C. Dulles Intl
5h 45m
1 stop
YUL5:15 pmMontreal Pierre Elliott Trudeau Intl
Jun 19
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
4h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$283
Porter Airlines
Jul 12
IAD11:30 amWashington, D.C. Dulles Intl
6h 40m
1 stop
YUL6:10 pmMontreal Pierre Elliott Trudeau Intl
Jul 21
YUL6:30 amMontreal Pierre Elliott Trudeau Intl
4h 16m
1 stop
IAD10:46 amWashington, D.C. Dulles Intl
$284

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport 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 May 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 7/11

11:30 am-6:10 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 7/14

6:30 am-10:46 am

1 stop4h 16m

$278

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 6/14

11:30 am-5:15 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 6/19

6:30 am-10:46 am

1 stop4h 16m

$283

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 7/21

9:40 am-11:27 am

Nonstop1h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

2:10 pm-7:57 pm

1 stop5h 47m

$284

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 7/12

11:30 am-6:10 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 7/21

6:30 am-10:46 am

1 stop4h 16m

$284

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 6/30

4:00 pm-8:10 pm

1 stop4h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 7/3

6:30 am-10:46 am

1 stop4h 16m

$285
Quickest round-trip

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 6/10

6:00 am-7:46 am

Nonstop1h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 6/17

1:50 pm-3:39 pm

Nonstop1h 49m

$304

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 6/10

1:29 pm-6:15 pm

2 stops28h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 6/17

6:50 pm-5:19 pm

1 stop22h 29m

$460

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 6/10

1:29 pm-6:15 pm

2 stops28h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 6/17

6:50 pm-5:19 pm

1 stop22h 29m

$462

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 10/2

7:00 am-5:05 pm

1 stop10h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

7:00 am-5:08 pm

1 stop10h 08m

$487

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Thu 9/24

7:00 am-5:05 pm

1 stop10h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 9/28

6:00 am-6:52 pm

2 stops12h 52m

$497

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 Pierre Elliott Trudeau Intl Airport

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 Pierre Elliott Trudeau Intl Airport?

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of June is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Washington, D.C. averaging around $103.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport is on a Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $574. Flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport on a Tuesday will generally be more expensive and average around $732. 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 Pierre Elliott Trudeau Intl Airport?

In the evening is the cheapest time of day to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $512. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $663.

What is the cheapest Washington, D.C. to Montreal Pierre Elliott Trudeau Intl flight route?

Fly from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl for the best Washington, D.C. - Montreal Pierre Elliott Trudeau Intl flight prices

How far in advance should I book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. for as low as $287 on momondo.

Can stopping save me money on Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flight.

How have Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?

As of May 2026, prices for Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport (WAS to YUL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

Best Price Found

$199

Fastest flight time

1h 38m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. in the past 72 hours is $199. The best round-trip flight deal from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $389.
The fastest flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 38m
Direct flights go from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

  • How far is Washington, D.C. to Montreal Pierre Elliott Trudeau Intl by plane?

    A flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl will travel around 482.7 mi. Typically, this will take 1h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    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 Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The required travel and health documents for your Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport. 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 Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

Best airlines flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $113Free CancellationRating
7.1
11,045 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $148Free CancellationRating
8.0
439 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
9,727 reviews
Search United Airlines flights
DeltaPriceFrom $261Free CancellationRating
7.9
8,455 reviews
Search Delta flights

  • United Airlines Flights From Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

    The lowest priced United Airlines flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport from the last 72 hours was $188. Generally, United Airlines has 54 flights on this route every week with an average price of $470. United Airlines is rated 7.4/10 by our users.

  • Air Canada Flights From Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

    Air Canada is also a popular choice for this route. Air Canada flight deals for Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport start from as low as $113 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $387. Air Canada operates 54 flights to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. in an average week. Users have rated it 7.1/10 across 11,045 reviews.

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Longueuil
Brossard
Trois-Rivières
Cornwall
Saint-Sauveur
Sherbrooke
Boucherville
Magog
Drummondville
Saint-Jean-sur-Richelieu
Montebello
Bromont
North Hatley

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. All flights to Montreal from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Washington, D.C. and Montreal by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 offers price alerts on flights to Montreal from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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