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

Delta and Porter Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Montreal

What airlines fly to Montreal?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Montreal from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Montreal. Keep in mind that there are 3 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.

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

There are 3 operators available for flights from Washington, D.C. Dulles Intl Airport to Montreal as of May 2026.

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.

$143 Cheap Flights from Washington, D.C. Dulles Intl Airport to Montreal in 2026

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

As of May 2026, there are 95 flights per week flying from Washington, D.C. Dulles Intl Airport to Montreal. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

Prices are currently low for flights on this route. Typical prices usually range from $435 to $328. The lowest price recently found on this route was $259.

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

As of May 2026, 13 flights take off from Washington, D.C. Dulles Intl Airport and land in Montreal each day. The most common flight departure time for this route is 12:00PM, with 63% 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.

11:30 am - 6:10 pm

IAD

YUL

6h 40m

1 stop

10:35 am - 3:16 pm

YUL

IAD

4h 41m

1 stop

$259Porter Airlines

Tue, Jun 16 - Thu, Jun 18

11:30 am - 5:15 pm

IAD

YUL

5h 45m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$267Porter Airlines

Sun, Jun 14 - Wed, Jun 24

11:30 am - 5:15 pm

IAD

YUL

5h 45m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$270Porter Airlines

Mon, Jun 8 - Fri, Jun 12

11:30 am - 5:15 pm

IAD

YUL

5h 45m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$273Porter Airlines

Mon, Jun 8 - Thu, Jun 18

11:30 am - 5:15 pm

IAD

YUL

5h 45m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$274Porter Airlines

Tue, Jun 16 - Thu, Jun 18

9:45 am - 11:33 am

IAD

YUL

1h 48mnonstop

5:00 pm - 6:58 pm

YUL

IAD

1h 58mnonstop

$276Air Canada

Sat, May 30 - Mon, Jun 1

11:30 am - 6:15 pm

IAD

YUL

6h 45m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$277Porter Airlines

Mon, May 25 - Thu, Jun 4

4:00 pm - 8:10 pm

IAD

YUL

4h 10m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$278Porter Airlines

Sun, Jul 5 - Thu, Jul 9

11:30 am - 5:15 pm

IAD

YUL

5h 45m

1 stop

6:30 am - 10:46 am

YUL

IAD

4h 16m

1 stop

$279Porter Airlines

Sun, May 31 - Thu, Jun 4

11:30 am - 5:15 pm

IAD

YUL

5h 45m

1 stop

10:35 am - 3:16 pm

YUL

IAD

4h 41m

1 stop

$280Porter Airlines

Sun, Jun 14 - Thu, Jun 25

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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

Jun 16

IAD11:30 amWashington, D.C. Dulles Intl

6h 40m

1 stop

YUL6:10 pmMontreal Pierre Elliott Trudeau Intl

Jun 18

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

4h 41m

1 stop

IAD3:16 pmWashington, D.C. Dulles Intl

$259

Porter Airlines

Jun 14

IAD11:30 amWashington, D.C. Dulles Intl

5h 45m

1 stop

YUL5:15 pmMontreal Pierre Elliott Trudeau Intl

Jun 24

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 amWashington, D.C. Dulles Intl

$267

Porter Airlines

Jun 8

IAD11:30 amWashington, D.C. Dulles Intl

5h 45m

1 stop

YUL5:15 pmMontreal Pierre Elliott Trudeau Intl

Jun 12

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 16m

1 stop

IAD10:46 amWashington, D.C. Dulles Intl

$270

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Montreal flight tickets

Delta

May 14

IAD8:05 amWashington, D.C. Dulles Intl

9h 38m

1 stop

YUL5:43 pmMontreal Pierre Elliott Trudeau Intl

May 21

YUL6:51 pmMontreal Pierre Elliott Trudeau Intl

6h 00m

1 stop

IAD12:51 amWashington, D.C. Dulles Intl

$353

Delta

May 14

IAD8:05 amWashington, D.C. Dulles Intl

9h 38m

1 stop

YUL5:43 pmMontreal Pierre Elliott Trudeau Intl

May 15

YUL6:51 pmMontreal Pierre Elliott Trudeau Intl

6h 00m

1 stop

IAD12:51 amWashington, D.C. Dulles Intl

$358

Delta

May 14

IAD8:05 amWashington, D.C. Dulles Intl

9h 38m

1 stop

YUL5:43 pmMontreal Pierre Elliott Trudeau Intl

May 16

YUL9:30 amMontreal Pierre Elliott Trudeau Intl

13h 26m

2 stops

IAD10:56 pmWashington, D.C. Dulles Intl

$385

momondo Fare Finder

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

Cheapest round-trip

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 6/16

11:30 am-6:10 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 6/18

10:35 am-3:16 pm

1 stop4h 41m

$259

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

Wed 6/24

6:30 am-10:46 am

1 stop4h 16m

$267

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 6/8

11:30 am-5:15 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 6/12

6:30 am-10:46 am

1 stop4h 16m

$270

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 6/8

11:30 am-5:15 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 6/18

6:30 am-10:46 am

1 stop4h 16m

$273

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 6/16

11:30 am-5:15 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 6/18

6:30 am-10:46 am

1 stop4h 16m

$274

Quickest round-trip

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 5/30

9:45 am-11:33 am

Nonstop1h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 6/1

5:00 pm-6:58 pm

Nonstop1h 58m

$276

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 5/25

11:30 am-6:15 pm

1 stop6h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 6/4

6:30 am-10:46 am

1 stop4h 16m

$277

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 7/5

4:00 pm-8:10 pm

1 stop4h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 7/9

6:30 am-10:46 am

1 stop4h 16m

$278

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 5/31

11:30 am-5:15 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 6/4

6:30 am-10:46 am

1 stop4h 16m

$279

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

Thu 6/25

10:35 am-3:16 pm

1 stop4h 41m

$280

Flights are sorted by cheapest round-trip flights first.

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

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

Prices

Airlines

Other information

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 March. Flight prices, which tend to average around $105, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of March, then departing from Washington, D.C. Dulles Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $108.

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 Friday when prices can be found for as low as $572. Flights from Washington, D.C. Dulles Intl Airport to Montreal on a Tuesday will generally be more expensive and average around $747. 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 $512. At noon is when there is more demand to fly to Montreal, so prices are often more expensive at around $663 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 from Washington, D.C. Dulles Intl Airport 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 $359 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 $293 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Montreal flight.

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

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	$271
Fastest flight time	1h 38m
Direct flights	Every day
Airports in Montreal	2 airports

The best one-way flight to Montreal from Washington, D.C. Dulles Intl Airport in the past 72 hours is $271. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Montreal found on momondo in the last 72 hours is $480.

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

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

There are 2 airports in Montreal. From Washington, D.C. Dulles Intl Airport there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL).

Search flight deals

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

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 38m 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?
There are 3 operators available for flights from Washington, D.C. Dulles Intl Airport to Montreal as of May 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Montreal is Embraer 175 (Enhanced Winglets), representing 24.32% of all bookings. The subsequent popular models are Boeing 777 at 20.82%, Boeing 787-8 Dreamliner at 16.98%, and Embraer 175 at 14.08%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Montreal?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Montreal, the leading airline is Air Canada, making up 50% of the total bookings. Other popular airlines include United Airlines with 30% and Porter Airlines with 20%.

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 Canada	PriceFrom $113	Free Cancellation	Rating 7.1 10,998 reviews	Search Air Canada flights
Porter Airlines	PriceFrom $132	Free Cancellation	Rating 8.0 436 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.4 9,683 reviews	Search United 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 $244 round-trip. Over the 30 United Airlines flights for this route in a normal week, average airfare is usually $453 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 $113 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $369. Air Canada operates 30 flights to Montreal from Washington, D.C. Dulles Intl Airport in an average week. Users have rated it 7.1/10 across 10,998 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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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal from $143

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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

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Montreal flight tickets

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Montreal that are best for you.

See travel insights to Montreal from

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

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?

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

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

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

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

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

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

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

What airlines fly to Montreal?

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

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

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

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

Fastest flight time

Direct flights

Airports in Montreal

Frequently asked questions about flying 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

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

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

Why use momondo?

An easier way to manage your Montreal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

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List of cabin classes available on flights landing in Montreal. Availability may vary depending on flight origin and airline.

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