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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal from $98

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 10/5. 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
6:30 pm - 10:15 pmIAD-YUL
3h 45m1 stop
Porter Airlines Logo
8:55 am - 12:59 pmYUL-IAD
4h 04m1 stop
$231Porter Airlines
Find Deal
vie., oct. 31 - lun., nov. 3
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
$236Porter Airlines
Find Deal
mié., oct. 15 - vie., oct. 17
Porter Airlines Logo
7:00 am - 11:15 amIAD-YUL
4h 15m1 stop
Porter Airlines Logo
4:00 pm - 10:24 pmYUL-IAD
6h 24m1 stop
$243Porter Airlines
Find Deal
dom., nov. 23 - vie., dic. 5
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
$244Porter Airlines
Find Deal
jue., oct. 16 - mar., oct. 21
Porter Airlines Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
$245Porter Airlines
Find Deal
vie., sep. 5 - lun., sep. 8
Porter Airlines Logo
4:20 pm - 10:15 pmIAD-YUL
5h 55m1 stop
Porter Airlines Logo
8:55 am - 3:06 pmYUL-IAD
6h 11m1 stop
$246Porter Airlines
Find Deal
jue., sep. 18 - dom., sep. 21
 Logo
4:10 pm - 10:15 pmIAD-YUL
6h 05m1 stop
 Logo
7:10 pm - 9:01 pmYUL-IAD
1h 51mnonstop
vie., ago. 15 - vie., ago. 22
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
mié., oct. 15 - mié., oct. 22
Air Canada Logo
10:20 am - 4:21 pmIAD-YUL
6h 01m1 stop
Air Canada Logo
7:10 pm - 9:01 pmYUL-IAD
1h 51mnonstop
$282Air Canada
Find Deal
lun., ago. 25 - lun., ago. 25
Air Canada Logo
10:20 am - 4:20 pmIAD-YUL
6h 00m1 stop
Air Canada Logo
7:10 pm - 9:05 pmYUL-IAD
1h 55mnonstop
$292Air Canada
Find Deal
mié., oct. 15 - jue., oct. 23

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
Oct 31
IAD6:30 pmWashington, D.C. Dulles Intl
3h 45m
1 stop
YUL10:15 pmMontreal Pierre Elliott Trudeau Intl
Nov 3
YUL8:55 amMontreal Pierre Elliott Trudeau Intl
4h 04m
1 stop
IAD12:59 pmWashington, D.C. Dulles Intl
Porter Airlines
Oct 15
IAD4:20 pmWashington, D.C. Dulles Intl
3h 50m
1 stop
YUL8:10 pmMontreal Pierre Elliott Trudeau Intl
Oct 17
YUL10:45 amMontreal Pierre Elliott Trudeau Intl
4h 21m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Porter Airlines
Nov 23
IAD7:00 amWashington, D.C. Dulles Intl
4h 15m
1 stop
YUL11:15 amMontreal Pierre Elliott Trudeau Intl
Dec 5
YUL4:00 pmMontreal Pierre Elliott Trudeau Intl
6h 24m
1 stop
IAD10:24 pmWashington, D.C. Dulles Intl

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 15
IAD9:35 amWashington, D.C. Dulles Intl
1h 53m
YUL11:28 amMontreal Pierre Elliott Trudeau Intl
Oct 22
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl
Air Canada
Aug 25
IAD10:20 amWashington, D.C. Dulles Intl
6h 01m
1 stop
YUL4:21 pmMontreal Pierre Elliott Trudeau Intl
Aug 25
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 51m
IAD9:01 pmWashington, D.C. Dulles Intl
Air Canada
Oct 15
IAD10:20 amWashington, D.C. Dulles Intl
6h 00m
1 stop
YUL4:20 pmMontreal Pierre Elliott Trudeau Intl
Oct 23
YUL7:10 pmMontreal Pierre Elliott Trudeau Intl
1h 55m
IAD9:05 pmWashington, D.C. Dulles Intl

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 $290.

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 $581. Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on a Monday will generally be more expensive and average around $819. 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 $602. 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 $700.

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 $357 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 $270 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.

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

As of July 2025, prices for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 14% 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

$98

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 $98. 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 $231.
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.

  • 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 $145Free CancellationRating
7.1
9,681 reviews
Search Air Canada flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $247Free CancellationRating
8.0
298 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 21 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 $420. 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, 9,678 ratings). Air Canada flies from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport around 21 times per week, with deals starting from $145 round-trip and rising to an average price of around $395.


Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Longueuil
Dorval
Trois-Rivières
Brossard
Magog
Drummondville
Sherbrooke
Cornwall
Saint-Sauveur
Boucherville
Saint-Jean-sur-Richelieu
Bromont
Montebello
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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mar. 7/8
mar. 7/15

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