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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal from $127

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 10/16. 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

Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
$267Porter Airlines
Find Deal
Wed, Sep 10 - Fri, Sep 12
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
Porter Airlines Logo
10:45 am - 3:06 pmYUL-IAD
4h 21m1 stop
$268Porter Airlines
Find Deal
Mon, Sep 22 - Wed, Sep 24
Porter Airlines Logo
11:35 am - 4:00 pmIAD-YUL
4h 25m1 stop
Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
$269Porter Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
Porter Airlines Logo
1:55 pm - 5:34 pmYUL-IAD
3h 39m1 stop
$271Porter Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
$272
Find Deal
Wed, Sep 24 - Wed, Oct 1
Porter Airlines Logo
4:20 pm - 8:10 pmIAD-YUL
3h 50m1 stop
Porter Airlines Logo
6:45 am - 10:29 amYUL-IAD
3h 44m1 stop
$273Porter Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
$281Air Canada
Find Deal
Sat, Oct 11 - Sat, Oct 18
Air Canada Logo
10:20 am - 3:20 pmIAD-YUL
5h 00m1 stop
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
$306Air Canada
Find Deal
Sat, Oct 18 - Sat, Oct 18
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
$317Air Canada
Find Deal
Sat, Sep 27 - Sat, Oct 4
Air Canada Logo
9:35 am - 11:28 amIAD-YUL
1h 53mnonstop
Air Canada Logo
5:00 am - 9:38 amYUL-IAD
4h 38m1 stop
$319Air Canada
Find Deal
Sat, Oct 4 - Sun, Oct 5

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
Oct 11
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
Oct 18
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl
$281
Find similar
Air Canada
Oct 18
IAD10:20 amWashington, D.C. Dulles Intl
5h 00m
1 stop
YUL3:20 pmMontreal Pierre Elliott Trudeau Intl
Oct 18
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl
$306
Find similar
Air Canada
Sep 27
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
Oct 4
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl
$317
Find similar

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

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Porter Airlines
Sep 10
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
Sep 12
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$267
Find similar
Porter Airlines
Sep 22
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
Sep 24
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$268
Find similar
Porter Airlines
Sep 25
IAD11:35 amWashington, D.C. Dulles Intl
4h 25m
1 stop
YUL4:00 pmMontreal Pierre Elliott Trudeau Intl
Sep 29
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
6h 11m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
$269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 August 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport 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

Wed 9/10

4:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 9/12

10:45 am-3:06 pm

1 stop4h 21m

$267

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 9/22

4:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 9/24

10:45 am-3:06 pm

1 stop4h 21m

$268

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 9/25

11:35 am-4:00 pm

1 stop4h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 9/29

8:55 am-3:06 pm

1 stop6h 11m

$269

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 10/23

4:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 10/26

1:55 pm-5:34 pm

1 stop3h 39m

$271

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 9/24

9:35 am-11:28 am

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

8:55 am-3:06 pm

1 stop6h 11m

$272

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 10/24

4:20 pm-8:10 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

6:45 am-10:29 am

1 stop3h 44m

$273

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 10/11

9:35 am-11:28 am

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

7:10 pm-9:05 pm

Nonstop1h 55m

$281

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 10/18

10:20 am-3:20 pm

1 stop5h 00m

Montreal Pierre Elliott Trudeau Intl

Sat 10/18

7:10 pm-9:05 pm

Nonstop1h 55m

$306

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 9/27

9:35 am-11:28 am

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

7:10 pm-9:05 pm

Nonstop1h 55m

$317

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 10/4

9:35 am-11:28 am

Nonstop1h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

5:00 am-9:38 am

1 stop4h 38m

$319

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 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. Dulles Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport?

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

The month of February is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $284.

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. Dulles Intl Airport 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 $583. Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on a Tuesday will generally be more expensive and average around $760. 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?

At noon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $610. Flying to Montreal Pierre Elliott Trudeau Intl Airport at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $691.

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

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

How far in advance should I book a flight 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. Dulles Intl Airport 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 $348 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. Dulles Intl Airport for as low as $281 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl 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. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.

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

As of August 2025, prices for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (IAD to YUL) 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 Pierre Elliott Trudeau Intl Airport

Best Price Found

$185

Fastest flight time

1h 53m

Direct flights

Every day
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $185. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $490.
The fastest flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 53m
Direct flights go from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every day.
Search flight deals

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

    There are 487.7 mi between Washington, D.C. Dulles Intl and Montreal Pierre Elliott Trudeau Intl. By plane, this route typically takes 1h 53m.

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

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

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

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

    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 Pierre Elliott Trudeau Intl Airport.

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

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $133Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $253Free CancellationRating
8.0
349 reviews
Search Porter Airlines flights

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

    United Airlines is one of the most popular airlines flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport, operating 20 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport starts from $223 round-trip, up to an average price of $437. Our users have rated United Airlines at 7.4/10.

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

    Another popular option for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights is Air Canada (7.1/10, 10,000 ratings). Air Canada flies from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport around 20 times per week, with deals starting from $133 round-trip and rising to an average price of around $386.

Traveling to a place near Montreal?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Montreal. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Montreal with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Montreal on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Montreal from Washington, D.C..

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.

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