What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl?

Air Canada, Porter Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 3 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.

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.

$163 Cheap Flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on average per week?

As of August 2026, there are 84 flights per week flying from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

As of August 2026, 12 flights take off from Washington, D.C. Dulles Intl Airport and land in Montreal Pierre Elliott Trudeau Intl Airport each day. The most common flight departure time for this route is 12:00PM, with 83% of daily flights taking off in the afternoon.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Montreal

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 10:10 pm

IAD

YUL

6h 20m

1 stop

6:30 am - 10:45 am

YUL

IAD

4h 15m

1 stop

$321Porter Airlines

Tue, Aug 18 - Thu, Aug 27

3:50 pm - 8:00 pm

IAD

YUL

4h 10m

1 stop

6:30 am - 10:45 am

YUL

IAD

4h 15m

1 stop

$321Porter Airlines

Mon, Aug 17 - Thu, Aug 27

3:45 pm - 5:23 pm

IAD

YUL

1h 38mnonstop

1:05 pm - 3:00 pm

YUL

IAD

1h 55mnonstop

$321Air Canada

Sat, Sep 19 - Mon, Sep 21

11:25 am - 6:12 pm

IAD

YUL

6h 47m

1 stop

9:00 am - 3:10 pm

YUL

IAD

6h 10m

1 stop

$321Porter Airlines

Fri, Oct 9 - Mon, Oct 12

3:45 pm - 5:23 pm

IAD

YUL

1h 38mnonstop

1:05 pm - 3:00 pm

YUL

IAD

1h 55mnonstop

$323Air Canada

Mon, Sep 14 - Mon, Sep 21

3:45 pm - 5:23 pm

IAD

YUL

1h 38mnonstop

10:30 am - 4:38 pm

YUL

IAD

6h 08m

1 stop

$323Air Canada

Thu, Sep 10 - Mon, Sep 14

3:45 pm - 5:23 pm

IAD

YUL

1h 38mnonstop

6:30 am - 10:45 am

YUL

IAD

4h 15m

1 stop

$325Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

3:45 pm - 5:23 pm

IAD

YUL

1h 38mnonstop

6:30 am - 10:45 am

YUL

IAD

4h 15m

1 stop

$326Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

5:40 pm - 7:45 pm

IAD

YUL

2h 05mnonstop

9:15 am - 11:13 am

YUL

IAD

1h 58mnonstop

$417United Airlines

Sun, Aug 30 - Sun, Sep 6

12:43 pm - 2:40 pm

IAD

YUL

1h 57mnonstop

2:20 pm - 4:18 pm

YUL

IAD

1h 58mnonstop

$417United Airlines

Wed, Aug 26 - Sun, Sep 6

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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

Aug 17

IAD3:50 pmWashington, D.C. Dulles Intl

4h 10m

1 stop

YUL8:00 pmMontreal Pierre Elliott Trudeau Intl

Aug 27

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 15m

1 stop

IAD10:45 amWashington, D.C. Dulles Intl

$321

Porter Airlines

Aug 26

IAD3:50 pmWashington, D.C. Dulles Intl

6h 20m

1 stop

YUL10:10 pmMontreal Pierre Elliott Trudeau Intl

Sep 11

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 15m

1 stop

IAD10:45 amWashington, D.C. Dulles Intl

$322

Porter Airlines

Aug 30

IAD3:50 pmWashington, D.C. Dulles Intl

4h 10m

1 stop

YUL8:00 pmMontreal Pierre Elliott Trudeau Intl

Aug 31

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 15m

1 stop

IAD10:45 amWashington, D.C. Dulles Intl

$323

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

Sep 5

IAD3:45 pmWashington, D.C. Dulles Intl

1h 42m

YUL5:27 pmMontreal Pierre Elliott Trudeau Intl

Sep 6

YUL11:10 amMontreal Pierre Elliott Trudeau Intl

4h 14m

1 stop

IAD3:24 pmWashington, D.C. Dulles Intl

$341

Air Canada

Sep 19

IAD3:45 pmWashington, D.C. Dulles Intl

1h 38m

YUL5:23 pmMontreal Pierre Elliott Trudeau Intl

Sep 21

YUL1:05 pmMontreal Pierre Elliott Trudeau Intl

1h 55m

IAD3:00 pmWashington, D.C. Dulles Intl

$359

Air Canada

Sep 19

IAD3:45 pmWashington, D.C. Dulles Intl

1h 38m

YUL5:23 pmMontreal Pierre Elliott Trudeau Intl

Sep 21

YUL10:40 amMontreal Pierre Elliott Trudeau Intl

5h 58m

2 stops

IAD4:38 pmWashington, D.C. Dulles Intl

$369

momondo Fare Finder

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.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 8/18

3:50 pm-10:10 pm

1 stop6h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 8/27

6:30 am-10:45 am

1 stop4h 15m

$321

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 8/17

3:50 pm-8:00 pm

1 stop4h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 8/27

6:30 am-10:45 am

1 stop4h 15m

$321

Quickest round-trip

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 9/19

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Mon 9/21

1:05 pm-3:00 pm

Nonstop1h 55m

$321

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 10/9

11:25 am-6:12 pm

1 stop6h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 10/12

9:00 am-3:10 pm

1 stop6h 10m

$321

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 9/14

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Mon 9/21

1:05 pm-3:00 pm

Nonstop1h 55m

$323

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 9/10

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

10:30 am-4:38 pm

1 stop6h 08m

$323

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 9/10

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

6:30 am-10:45 am

1 stop4h 15m

$325

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 9/14

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Mon 9/21

6:30 am-10:45 am

1 stop4h 15m

$326

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 8/30

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 9/6

9:15 am-11:13 am

Nonstop1h 58m

$417

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 8/26

12:43 pm-2:40 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 9/6

2:20 pm-4:18 pm

Nonstop1h 58m

$417

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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Other information

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Montreal Pierre Elliott Trudeau Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $362 to $600.
The lowest price recently found on this route was $321.

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

The month of January 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 $302.

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 Friday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Friday will often find tickets for as low as $580. 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 $773. 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. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $588. 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 $764.

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 from Washington, D.C. Dulles Intl Airport 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 $408 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 $184 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport 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 August 2026, prices for Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 2% more expensive 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	$241
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. Dulles Intl Airport in the past 72 hours is $241. 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 $456.

The fastest flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 38m

Direct flights go from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every day.

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

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 38m.
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?
There are 3 operators available for flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport as of August 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport is Embraer 175 (Enhanced Winglets), representing 29.82% of all bookings. The subsequent popular models are Embraer 175 at 29.78%, Canadair (Bombardier) Regional Jet 900 at 12.04%, and Boeing 777 at 7.54%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport is Air Canada, representing 51% of all bookings. The subsequent popular airlines are United Airlines at 37% and Porter Airlines at 13%.

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
Porter Airlines	PriceFrom $115	Free Cancellation	Rating 8.0 449 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $137	Free Cancellation	Rating 7.1 11,419 reviews	Search Air Canada flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 10,061 reviews	Search United 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 28 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 $236 round-trip, up to an average price of $509. 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, 11,419 ratings). Air Canada flies from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport around 28 times per week, with deals starting from $137 round-trip and rising to an average price of around $382.

Laval

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Brossard

Cornwall

Longueuil

Sherbrooke

Saint-Sauveur

Trois-Rivières

Boucherville

Drummondville

Bromont

Saint-Jean-sur-Richelieu

Montebello

Magog

North Hatley

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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.

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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..

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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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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

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

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport

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?

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

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

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

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

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

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Montreal Pierre Elliott Trudeau Intl?

What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?

How many flights depart from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport on average per week?

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

Cheap Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (IAD to YUL) flight deals and tips

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Frequently asked questions about flying 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

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