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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal from $138

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. Dulles Intl Airport to Montreal departing on 1/7. 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. Dulles Intl Airport to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:30 pm - 10:45 pmIAD-YUL
4h 15m1 stop
Porter Airlines Logo
6:45 am - 10:24 amYUL-IAD
3h 39m1 stop
$233Porter Airlines
Find Deal
ven., févr. 20 - jeu., févr. 26
Porter Airlines Logo
11:40 am - 3:20 pmIAD-YUL
3h 40m1 stop
Porter Airlines Logo
8:55 am - 12:29 pmYUL-IAD
3h 34m1 stop
$237Porter Airlines
Find Deal
mer., déc. 3 - sam., déc. 13
Porter Airlines Logo
6:30 pm - 10:45 pmIAD-YUL
4h 15m1 stop
Porter Airlines Logo
6:45 am - 10:24 amYUL-IAD
3h 39m1 stop
$238Porter Airlines
Find Deal
mar., déc. 2 - ven., déc. 12
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
$239Porter Airlines
Find Deal
dim., déc. 7 - mer., déc. 10
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
$241Porter Airlines
Find Deal
ven., déc. 5 - lun., déc. 8
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
$242Porter Airlines
Find Deal
mer., déc. 17 - lun., déc. 29
Multiple Airlines Logo
10:23 pm - 8:14 pmIAD-YUL
21h 51m2 stops
Multiple Airlines Logo
6:45 am - 10:24 amYUL-IAD
3h 39m1 stop
$254Multiple Airlines
Find Deal
sam., janv. 17 - lun., janv. 26
Air Canada Logo
9:45 am - 11:30 amIAD-YUL
1h 45mnonstop
Air Canada Logo
7:00 pm - 8:59 pmYUL-IAD
1h 59mnonstop
$296Air Canada
Find Deal
lun., nov. 24 - mar., déc. 2
Air Canada Logo
9:00 am - 1:22 pmIAD-YUL
4h 22m1 stop
Air Canada Logo
7:00 pm - 8:54 pmYUL-IAD
1h 54mnonstop
$302Air Canada
Find Deal
jeu., nov. 20 - dim., nov. 23
Air Canada Logo
9:00 am - 1:22 pmIAD-YUL
4h 22m1 stop
Air Canada Logo
10:10 am - 3:46 pmYUL-IAD
5h 36m1 stop
$313Air Canada
Find Deal
jeu., nov. 20 - dim., nov. 23

Porter Airlines flights from Washington, D.C. Dulles Intl Airport to Montreal

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to Montreal flight tickets
Porter Airlines
Feb 20
IAD6:30 pmWashington, D.C. Dulles Intl
4h 15m
1 stop
YUL10:45 pmMontreal Pierre Elliott Trudeau Intl
Feb 26
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
3h 39m
1 stop
IAD10:24 amWashington, D.C. Dulles Intl
$233
Find similar
Porter Airlines
Dec 3
IAD11:40 amWashington, D.C. Dulles Intl
3h 40m
1 stop
YUL3:20 pmMontreal Pierre Elliott Trudeau Intl
Dec 13
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
3h 34m
1 stop
IAD12:29 pmWashington, D.C. Dulles Intl
$237
Find similar
Porter Airlines
Dec 2
IAD6:30 pmWashington, D.C. Dulles Intl
4h 15m
1 stop
YUL10:45 pmMontreal Pierre Elliott Trudeau Intl
Dec 12
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
3h 39m
1 stop
IAD10:24 amWashington, D.C. Dulles Intl
$238
Find similar

Air Canada flights from Washington, D.C. Dulles Intl Airport to Montreal

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Montreal flight tickets
Air Canada
Nov 24
IAD9:45 amWashington, D.C. Dulles Intl
1h 45m
YUL11:30 amMontreal Pierre Elliott Trudeau Intl
Dec 2
YUL7:00 pmMontreal Pierre Elliott Trudeau Intl
1h 59m
IAD8:59 pmWashington, D.C. Dulles Intl
$296
Find similar
Air Canada
Nov 20
IAD9:00 amWashington, D.C. Dulles Intl
4h 22m
1 stop
YUL1:22 pmMontreal Pierre Elliott Trudeau Intl
Nov 23
YUL7:00 pmMontreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 pmWashington, D.C. Dulles Intl
$302
Find similar
Air Canada
Nov 20
IAD9:00 amWashington, D.C. Dulles Intl
4h 22m
1 stop
YUL1:22 pmMontreal Pierre Elliott Trudeau Intl
Nov 23
YUL10:10 amMontreal Pierre Elliott Trudeau Intl
5h 36m
1 stop
IAD3:46 pmWashington, D.C. Dulles Intl
$313
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 novembre 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

ven. 2/20

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

jeu. 2/26

6:45 am-10:24 am

1 stop3h 39m

$233

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

mer. 12/3

11:40 am-3:20 pm

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

sam. 12/13

8:55 am-12:29 pm

1 stop3h 34m

$237

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

mar. 12/2

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

ven. 12/12

6:45 am-10:24 am

1 stop3h 39m

$238

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

dim. 12/7

11:40 am-3:20 pm

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

mer. 12/10

1:40 pm-5:14 pm

1 stop3h 34m

$239

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

ven. 12/5

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

lun. 12/8

1:40 pm-5:14 pm

1 stop3h 34m

$241

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

mer. 12/17

11:40 am-3:20 pm

1 stop3h 40m

Montreal Pierre Elliott Trudeau Intl

lun. 12/29

1:40 pm-5:14 pm

1 stop3h 34m

$242

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

sam. 1/17

10:23 pm-8:14 pm

2 stops21h 51m

Montreal Pierre Elliott Trudeau Intl

lun. 1/26

6:45 am-10:24 am

1 stop3h 39m

$254

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

lun. 11/24

9:45 am-11:30 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

mar. 12/2

7:00 pm-8:59 pm

Nonstop1h 59m

$296

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

jeu. 11/20

9:00 am-1:22 pm

1 stop4h 22m

Montreal Pierre Elliott Trudeau Intl

dim. 11/23

7:00 pm-8:54 pm

Nonstop1h 54m

$302

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

jeu. 11/20

9:00 am-1:22 pm

1 stop4h 22m

Montreal Pierre Elliott Trudeau Intl

dim. 11/23

10:10 am-3:46 pm

1 stop5h 36m

$313

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. Dulles Intl Airport 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. Dulles Intl Airport and Montreal?

What is the cheapest month to fly to Montreal?

The cheapest month to fly to Montreal from Washington, D.C. Dulles Intl Airport is in July. Flight prices, which tend to average around $316, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of July, then departing from Washington, D.C. Dulles Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $327.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Montreal is on a Thursday when prices can be found for as low as $569. Flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl to Montreal flight route?

Fly from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl for the best Washington, D.C. Dulles Intl - 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. Dulles Intl Airport 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. Dulles Intl Airport for as low as $294 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Montreal flight prices changed over time?

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Montreal flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Montreal

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Montreal (IAD to YMQ) flight deals and tips

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

Best Price Found

$148

Fastest flight time

1h 43m

Direct flights

Every day

Airports in Montreal

1 airport
The best one-way flight to Montreal from Washington, D.C. Dulles Intl Airport in the past 72 hours is $148. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Montreal found on momondo in the last 72 hours is $375.
The fastest flight from Washington, D.C. Dulles Intl Airport to Montreal takes 1h 43m
Direct flights go from Washington, D.C. Dulles Intl Airport 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. Dulles Intl to Montreal by plane?

    Montreal is 493.8 mi away from Washington, D.C. Dulles Intl. Typically, this will take 1h 45m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Montreal.

  • What documentation or ID do you need to fly to Montreal?

    The travel and health documents required for your trip to Montreal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montreal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Montreal?

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Montreal

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Montreal with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $137Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $247Free CancellationRating
8.0
387 reviews
Search Porter Airlines flights

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

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Montreal start from $242 round-trip. Over the 16 United Airlines flights for this route in a normal week, average airfare is usually $404 round-trip - but some users have found much cheaper deals with momondo.

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

    Air Canada is also a popular choice for this route. Air Canada flight deals for Washington, D.C. Dulles Intl Airport to Montreal start from as low as $137 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $383. Air Canada operates 20 flights to Montreal from Washington, D.C. Dulles Intl Airport in an average week. Users have rated it 7.1/10 across 10,410 reviews.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montreal from Washington, D.C..

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 provides multiple filters to help you find the best flight to Montreal from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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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