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Cheap flights from Washington, D.C. Dulles Intl Airport to Montreal from C$ 149

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 22/4. 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

Enter your travel dates to find the best prices.
Porter Airlines Logo
6:30 p.m. - 10:45 p.m.
IAD
-
YUL
4h 15m
1 stop
Porter Airlines Logo
6:45 a.m. - 10:22 a.m.
YUL
-
IAD
3h 37m
1 stop
C$ 392Porter Airlines
Fri, 20 Feb - Thu, 26 Feb
Porter Airlines Logo
11:30 a.m. - 5:15 p.m.
IAD
-
YUL
5h 45m
1 stop
Porter Airlines Logo
6:30 a.m. - 10:46 a.m.
YUL
-
IAD
4h 16m
1 stop
C$ 393Porter Airlines
Fri, 8 May - Tue, 12 May
Porter Airlines Logo
11:40 a.m. - 4:30 p.m.
IAD
-
YUL
4h 50m
1 stop
Porter Airlines Logo
9:50 a.m. - 5:14 p.m.
YUL
-
IAD
7h 24m
1 stop
C$ 399Porter Airlines
Thu, 5 Mar - Sun, 8 Mar
Porter Airlines Logo
6:30 p.m. - 10:45 p.m.
IAD
-
YUL
4h 15m
1 stop
Porter Airlines Logo
10:55 a.m. - 5:14 p.m.
YUL
-
IAD
6h 19m
1 stop
C$ 402Porter Airlines
Fri, 6 Mar - Sun, 8 Mar
Porter Airlines Logo
11:40 a.m. - 4:30 p.m.
IAD
-
YUL
4h 50m
1 stop
Porter Airlines Logo
8:55 a.m. - 12:29 p.m.
YUL
-
IAD
3h 34m
1 stop
C$ 403Porter Airlines
Tue, 14 Apr - Sat, 18 Apr
Air Canada Logo
9:45 a.m. - 11:30 a.m.
IAD
-
YUL
1h 45mdirect
Air Canada Logo
7:00 p.m. - 8:54 p.m.
YUL
-
IAD
1h 54mdirect
C$ 406Air Canada
Sat, 28 Feb - Sat, 7 Mar
Multiple Airlines Logo
11:40 a.m. - 5:45 p.m.
IAD
-
YUL
6h 05m
1 stop
Multiple Airlines Logo
8:00 a.m. - 12:36 a.m.
YUL
-
IAD
40h 36m
2 stops
C$ 407Multiple Airlines
Thu, 26 Mar - Mon, 6 Apr
Porter Airlines Logo
6:30 p.m. - 10:45 p.m.
IAD
-
YUL
4h 15m
1 stop
Porter Airlines Logo
10:55 a.m. - 5:14 p.m.
YUL
-
IAD
6h 19m
1 stop
C$ 408Porter Airlines
Fri, 6 Mar - Sun, 8 Mar
Porter Airlines Logo
11:40 a.m. - 4:30 p.m.
IAD
-
YUL
4h 50m
1 stop
Porter Airlines Logo
6:50 a.m. - 10:24 a.m.
YUL
-
IAD
3h 34m
1 stop
C$ 414Porter Airlines
Mon, 23 Feb - Mon, 2 Mar
Porter Airlines Logo
11:30 a.m. - 6:15 p.m.
IAD
-
YUL
6h 45m
1 stop
Porter Airlines Logo
10:35 a.m. - 3:21 p.m.
YUL
-
IAD
4h 46m
1 stop
C$ 415Porter Airlines
Fri, 29 May - Wed, 3 Jun

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
20 Feb
IAD6:30 p.m.Washington, D.C. Dulles Intl
4h 15m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
23 Feb
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
3h 37m
1 stop
IAD10:22 a.m.Washington, D.C. Dulles Intl
C$ 392
Porter Airlines
8 May
IAD11:30 a.m.Washington, D.C. Dulles Intl
5h 45m
1 stop
YUL5:15 p.m.Montreal Pierre Elliott Trudeau Intl
11 May
YUL10:35 a.m.Montreal Pierre Elliott Trudeau Intl
4h 46m
1 stop
IAD3:21 p.m.Washington, D.C. Dulles Intl
C$ 393
Porter Airlines
5 Mar
IAD11:40 a.m.Washington, D.C. Dulles Intl
4h 50m
1 stop
YUL4:30 p.m.Montreal Pierre Elliott Trudeau Intl
8 Mar
YUL9:50 a.m.Montreal Pierre Elliott Trudeau Intl
7h 24m
1 stop
IAD5:14 p.m.Washington, D.C. Dulles Intl
C$ 399

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
28 Feb
IAD9:45 a.m.Washington, D.C. Dulles Intl
1h 45m
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
7 Mar
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
C$ 406
Air Canada
9 Apr
IAD9:55 a.m.Washington, D.C. Dulles Intl
1h 43m
YUL11:38 a.m.Montreal Pierre Elliott Trudeau Intl
12 Apr
YUL5:50 p.m.Montreal Pierre Elliott Trudeau Intl
1h 50m
IAD7:40 p.m.Washington, D.C. Dulles Intl
C$ 470
Air Canada
24 Feb
IAD9:00 a.m.Washington, D.C. Dulles Intl
6h 23m
1 stop
YUL3:23 p.m.Montreal Pierre Elliott Trudeau Intl
24 Feb
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
C$ 485

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 96,600 searches. Data last updated 4 February 2026.
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

Fri 20/2

6:30 p.m.-10:45 p.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

6:45 a.m.-10:22 a.m.

1 stop3h 37m

C$ 392

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 8/5

11:30 a.m.-5:15 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

6:30 a.m.-10:46 a.m.

1 stop4h 16m

C$ 393

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 5/3

11:40 a.m.-4:30 p.m.

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

9:50 a.m.-5:14 p.m.

1 stop7h 24m

C$ 399

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/3

6:30 p.m.-10:45 p.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

10:55 a.m.-5:14 p.m.

1 stop6h 19m

C$ 402

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 14/4

11:40 a.m.-4:30 p.m.

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

8:55 a.m.-12:29 p.m.

1 stop3h 34m

C$ 403

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 28/2

9:45 a.m.-11:30 a.m.

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 7/3

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

C$ 406

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 26/3

11:40 a.m.-5:45 p.m.

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

8:00 a.m.-12:36 a.m.

2 stops40h 36m

C$ 407

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/3

6:30 p.m.-10:45 p.m.

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

10:55 a.m.-5:14 p.m.

1 stop6h 19m

C$ 408

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 23/2

11:40 a.m.-4:30 p.m.

1 stop4h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

6:50 a.m.-10:24 a.m.

1 stop3h 34m

C$ 414

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 29/5

11:30 a.m.-6:15 p.m.

1 stop6h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

10:35 a.m.-3:21 p.m.

1 stop4h 46m

C$ 415

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 cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of March is, on average, the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. Dulles Intl Airport, with most prices found around C$ 395. 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 C$ 412.

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

The cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport is on a Friday when prices can be found for as low as C$ 475. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 975.

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

In the afternoon 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 C$ 532. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around C$ 812. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 480 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 C$ 399 on momondo.

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

There are 2 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?

You could potentially save up to 67% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

As of February 2026, 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

Fastest flight time

1h 42m

Direct flights

Every day
The fastest flight from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport takes 1h 42m
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?

    Washington, D.C. Dulles Intl and Montreal Pierre Elliott Trudeau Intl are 784.8 km apart from one another. In terms of flight time, this usually takes a little over 1h 42m.

  • 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 are refreshed on a daily basis.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 C$ 176Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 323Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights

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

    Air Canada operates around 19 flights from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 592, but momondo users have found Air Canada deals from Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport from as low as C$ 176 round-trip. Air Canada has been scored 7.1/10 in 10,684 reviews.

Travelling to a place near Montreal?

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

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?

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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