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 51% 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.

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

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

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 August 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.

$164 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 day?

As of August 2026, 8 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 76% of daily flights taking off in the afternoon.

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

As of August 2026, there are 60 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 20% of flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

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 - 9:12 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

5h 22m1 stop Toronto Island

6:30 am - 10:45 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Toronto Island

$321Porter Airlines

Fri, Oct 16 - Mon, Oct 19

3:50 pm - 9:12 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

5h 22m1 stop Toronto Island

6:30 am - 10:45 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Toronto Island

$321Porter Airlines

Tue, Sep 8 - Fri, Sep 11

11:25 am - 6:12 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

6h 47m1 stop Toronto Island

10:35 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Toronto Island

$321Porter Airlines

Sat, Sep 19 - Sun, Sep 27

3:45 pm - 5:23 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

10:35 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Toronto Island

$331Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

5:40 pm - 9:47 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

4h 07m1 stop Toronto Island

9:00 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

6h 10m1 stop Toronto Island

$338Multiple Airlines

Mon, Sep 7 - Mon, Sep 14

11:25 am - 6:12 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

6h 47m1 stop Toronto Island

5:05 pm - 7:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$340Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

3:45 pm - 5:23 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

1:05 pm - 3:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$351Air Canada

Tue, Oct 20 - Fri, Oct 23

9:45 am - 11:23 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$351Air Canada

Thu, Oct 22 - Tue, Oct 27

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

2:20 pm - 4:18 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$417United Airlines

Wed, Aug 26 - Tue, Sep 1

12:43 pm - 2:40 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 57mnonstop

9:15 am - 11:13 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$417United Airlines

Wed, Oct 7 - Sun, Oct 11

Cheap last minute flights

Enter your travel dates to find the best prices.

11:25 am - 6:10 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

6h 45m1 stop Toronto Island

10:35 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Toronto Island

$447Porter Airlines

Sat, Aug 15 - Wed, Aug 26

3:45 pm - 5:27 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 42mnonstop

5:05 pm - 7:01 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 56mnonstop

$447Air Canada

Sat, Aug 15 - Wed, Aug 26

9:45 am - 11:27 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 42mnonstop

1:05 pm - 3:01 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 56mnonstop

$447Air Canada

Fri, Aug 14 - Fri, Aug 21

3:45 pm - 5:27 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 42mnonstop

1:05 pm - 3:01 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 56mnonstop

$447Air Canada

Sat, Aug 15 - Thu, Aug 20

11:25 am - 6:10 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

6h 45m1 stop Toronto Island

10:35 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Toronto Island

$460Porter Airlines

Sat, Aug 15 - Sat, Aug 22

11:25 am - 6:10 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

6h 45m1 stop Toronto Island

6:30 am - 10:45 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 15m1 stop Toronto Island

$463Porter Airlines

Sat, Aug 15 - Thu, Aug 20

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

2:20 pm - 4:18 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$539United Airlines

Sat, Aug 15 - Wed, Aug 26

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

9:15 am - 11:13 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$539United Airlines

Sat, Aug 15 - Sat, Aug 22

5:40 pm - 7:32 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

25h 52m2 stops Fort Lauderdale Toronto Pearson Intl

10:35 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Toronto Island

$553Multiple Airlines

Tue, Aug 11 - Wed, Aug 19

5:40 pm - 7:32 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

25h 52m2 stops Fort Lauderdale Toronto Pearson Intl

10:35 am - 3:10 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Toronto Island

$553Multiple Airlines

Tue, Aug 11 - Sun, Aug 16

Cheap direct flights

Enter your travel dates to find the best prices.

9:45 am - 11:23 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

1:05 pm - 3:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$351Air Canada

Wed, Sep 30 - Sat, Oct 3

9:45 am - 11:23 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

1:05 pm - 3:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$351Air Canada

Tue, Sep 8 - Tue, Sep 15

9:45 am - 11:23 amIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

6:25 pm - 8:23 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$351Air Canada

Thu, Oct 22 - Tue, Oct 27

3:45 pm - 5:23 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 38mnonstop

1:05 pm - 3:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$351Air Canada

Tue, Oct 20 - Fri, Oct 23

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

2:20 pm - 4:18 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$417United Airlines

Wed, Aug 26 - Tue, Sep 1

12:43 pm - 2:40 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

1h 57mnonstop

9:15 am - 11:13 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$417United Airlines

Wed, Oct 7 - Sun, Oct 11

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

9:15 am - 11:13 amYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$417United Airlines

Mon, Oct 5 - Sun, Oct 11

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

1:05 pm - 3:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$417Multiple Airlines

Sun, Sep 20 - Wed, Sep 23

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

5:05 pm - 7:01 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 56mnonstop

$417Multiple Airlines

Wed, Aug 26 - Mon, Aug 31

5:40 pm - 7:45 pmIAD Washington, D.C. Dulles Intl-YUL Montreal Pierre Elliott Trudeau Intl

2h 05mnonstop

5:05 pm - 7:00 pmYUL Montreal Pierre Elliott Trudeau Intl-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

$417Multiple Airlines

Sat, Oct 10 - Mon, Oct 19

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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

Aug 27

IAD3:50 pmWashington, D.C. Dulles Intl

6h 20m

1 stop

YUL10:10 pmMontreal Pierre Elliott Trudeau Intl

Aug 30

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

4h 35m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$321

Porter Airlines

Sep 1

IAD11:25 amWashington, D.C. Dulles Intl

8h 35m

1 stop

YUL8:00 pmMontreal Pierre Elliott Trudeau Intl

Sep 12

YUL6:30 amMontreal Pierre Elliott Trudeau Intl

4h 15m

1 stop

IAD10:45 amWashington, D.C. Dulles Intl

$322

Porter Airlines

Sep 10

IAD11:25 amWashington, D.C. Dulles Intl

6h 47m

1 stop

YUL6:12 pmMontreal Pierre Elliott Trudeau Intl

Sep 13

YUL10:35 amMontreal Pierre Elliott Trudeau Intl

4h 35m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$323

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

Aug 24

IAD9:45 amWashington, D.C. Dulles Intl

1h 42m

YUL11:27 amMontreal Pierre Elliott Trudeau Intl

Aug 27

YUL1:05 pmMontreal Pierre Elliott Trudeau Intl

1h 56m

IAD3:01 pmWashington, D.C. Dulles Intl

$351

Air Canada

Sep 12

IAD9:45 amWashington, D.C. Dulles Intl

1h 38m

YUL11:23 amMontreal Pierre Elliott Trudeau Intl

Sep 18

YUL10:30 amMontreal Pierre Elliott Trudeau Intl

6h 08m

1 stop

IAD4:38 pmWashington, D.C. Dulles Intl

$356

Air Canada

Sep 5

IAD3:45 pmWashington, D.C. Dulles Intl

1h 42m

YUL5:27 pmMontreal Pierre Elliott Trudeau Intl

Sep 11

YUL5:05 pmMontreal Pierre Elliott Trudeau Intl

1h 55m

IAD7:00 pmWashington, D.C. Dulles Intl

$357

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 Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Fri 10/16

3:50 pm-9:12 pm

1 stop5h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 10/19

6:30 am-10:45 am

1 stop4h 15m

$321

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Tue 9/8

3:50 pm-9:12 pm

1 stop5h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 9/11

6:30 am-10:45 am

1 stop4h 15m

$321

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Sat 9/19

11:25 am-6:12 pm

1 stop6h 47m

Montreal Pierre Elliott Trudeau Intl

Sun 9/27

10:35 am-3:10 pm

1 stop4h 35m

$321

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 9/10

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Sun 9/13

10:35 am-3:10 pm

1 stop4h 35m

$331

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Mon 9/7

5:40 pm-9:47 pm

1 stop4h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 9/14

9:00 am-3:10 pm

1 stop6h 10m

$338

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Tue 9/22

11:25 am-6:12 pm

1 stop6h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

5:05 pm-7:00 pm

Nonstop1h 55m

$340

Quickest round-trip

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Tue 10/20

3:45 pm-5:23 pm

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Fri 10/23

1:05 pm-3:00 pm

Nonstop1h 55m

$351

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Thu 10/22

9:45 am-11:23 am

Nonstop1h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 10/27

6:25 pm-8:23 pm

Nonstop1h 58m

$351

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Wed 8/26

5:40 pm-7:45 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

2:20 pm-4:18 pm

Nonstop1h 58m

$417

Washington, D.C.Montreal

IAD Washington, D.C. Dulles Intl - YUL Montreal Pierre Elliott Trudeau Intl

IADYUL

Washington, D.C. Dulles Intl

Wed 10/7

12:43 pm-2:40 pm

Nonstop1h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 10/11

9:15 am-11:13 am

Nonstop1h 58m

$417

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $316 to $486.
The lowest price recently found on this route was $321.

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 $288, 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 February is also very affordable. Most momondo users find prices during this month for around $344.

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 $579. Flights from Washington, D.C. Dulles Intl Airport to Montreal on a Tuesday will generally be more expensive and average around $786. 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 $588. At noon is when there is more demand to fly to Montreal, so prices are often more expensive at around $761 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 $406 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 $184 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport 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?

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	$241
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 $241. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Montreal found on momondo in the last 72 hours is $474.

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 August 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 29.81% of all bookings. The subsequent popular models are Embraer 175 at 29.32%, Canadair (Bombardier) Regional Jet 900 at 11.96%, and Boeing 777 at 7.59%.
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 57% of the total bookings. Other popular airlines include United Airlines with 30% and Porter Airlines with 13%.

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
Porter Airlines	PriceFrom $115	Free Cancellation	Rating 8.0 454 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $137	Free Cancellation	Rating 7.1 11,460 reviews	Search Air Canada flights
United Airlines	PriceFrom $236	Free Cancellation	Rating 7.4 10,101 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 $236 round-trip. Over the 22 United Airlines flights for this route in a normal week, average airfare is usually $513 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 $382. Air Canada operates 22 flights to Montreal from Washington, D.C. Dulles Intl Airport in an average week. Users have rated it 7.1/10 across 11,458 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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Fly into one of these airports located in Montreal

Montreal St Hubert Airport

Montreal Pierre Elliott Trudeau Intl Airport

Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal from $164

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

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