Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport from C$ 152

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YUL
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl are usually found in March or May, booked 77 days in advance, depart on a Tuesday or Friday and return on a Saturday

Find flight deals from Washington, D.C. to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Washington, D.C. to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2025.

Thu 20/1111:40 a.m.IAD - YUL
1 stop6h 05mPorter Airlines
Mon 24/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 29/10C$ 348
Fri 28/116:30 p.m.IAD - YUL
1 stop4h 15mMultiple Airlines
Fri 5/127:00 p.m.YUL - IAD
Nonstop1h 59mMultiple Airlines
Deal found 29/10C$ 370
Sat 22/111:45 p.m.IAD - YUL
1 stop5h 00mPorter Airlines
Tue 25/1111:25 a.m.YUL - IAD
1 stop5h 49mPorter Airlines
Deal found 28/10C$ 371
Tue 2/126:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Tue 9/121:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 374
Fri 21/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Tue 25/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 378
Wed 3/1211:40 a.m.IAD - YUL
1 stop4h 50mPorter Airlines
Tue 9/121:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 383
Sun 23/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Fri 28/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 30/10C$ 385
Thu 11/1211:40 a.m.IAD - YUL
1 stop6h 05mMultiple Airlines
Mon 15/1210:10 a.m.YUL - IAD
1 stop5h 36mMultiple Airlines
Deal found 28/10C$ 392
Mon 24/116:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Thu 27/111:40 p.m.YUL - IAD
1 stop3h 34mPorter Airlines
Deal found 28/10C$ 394
Thu 27/1111:40 a.m.IAD - YUL
1 stop3h 40mPorter Airlines
Sat 3/16:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Deal found 27/10C$ 401
Sun 7/1211:40 a.m.IAD - YUL
1 stop6h 05mPorter Airlines
Sun 21/126:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Deal found 28/10C$ 402
Sat 6/128:37 a.m.BWI - YUL
2 stops11h 07mMultiple Airlines
Sun 7/124:35 p.m.YUL - BWI
1 stop15h 07mMultiple Airlines
Deal found 27/10C$ 413

Cheap flight deals from Washington, D.C. to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 October 2025.

Round-trip from

C$ 348

One-way from

C$ 152

Popular in

December

Cheapest in

March

Average price

C$ 573

Good round-trip deal

C$ 150 or less

Good one-way deal

C$ 191 or less
Porter Airlines
  • Porter Airlines
  • 20/11-24/11
  • 2 total stops
  • 9h 39m total
  • Washington, D.C. to Montreal
Search Deals
13/12
  • 13/12
  • 2 total stops
  • 23h 44m total
  • Washington, D.C. to Montreal
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 15/2

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

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

6:45 a.m.-10:24 a.m.

1 stop3h 39m

C$ 440

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 19/12

6:00 a.m.-7:45 a.m.

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 22/12

8:25 a.m.-10:21 a.m.

Nonstop1h 56m

C$ 478

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Mon 29/12

6:00 a.m.-7:45 a.m.

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 2/1

8:25 a.m.-10:21 a.m.

Nonstop1h 56m

C$ 478

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 15/2

1:13 p.m.-3:16 p.m.

Nonstop2h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 18/2

9:15 a.m.-11:29 a.m.

Nonstop2h 14m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/12

1:20 p.m.-3:16 p.m.

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 8/12

7:00 p.m.-8:59 p.m.

Nonstop1h 59m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/2

5:48 p.m.-7:48 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

2:13 p.m.-4:21 p.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 6/2

5:48 p.m.-7:48 p.m.

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

7:00 p.m.-8:59 p.m.

Nonstop1h 59m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 20/11

5:50 p.m.-7:48 p.m.

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/12

1:20 p.m.-3:16 p.m.

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 3/12

5:50 p.m.-7:48 p.m.

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

9:15 a.m.-11:23 a.m.

Nonstop2h 08m

C$ 487

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Pierre Elliott Trudeau Intl. Price data was last updated on 24 October 2025.

The price you pay for your flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 158). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of C$ 332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to YUL?

Find hourly flight availability from Washington, D.C. to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

When flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 30 October 2025.
Get a feel of what it's like to fly with Air Canada from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,381 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,381 reviews
Air Canada
7.1
Good
10,381 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    For as low as C$ 478, Porter Airlines can have you in Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. in 1h 45m. Airlines will cover a distance of 782 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Flying on Air Canada is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at C$ 180. Another option worth looking into is Porter Airlines, starting at C$ 330 round trip. Users have found that Air Canada is 67% cheaper than the other options available to this destination.

  • What are the most popular routes from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    The most popular route from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport is Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    Consider Jazz (93%), Air Canada (90%) or Avianca (89%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport.

  • What are the cheapest flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    On average you can expect to pay C$ 912 for a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 150 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 318.

  • Can I find deals for flights from Washington, D.C. to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Washington, D.C. to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 158). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of C$ 332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Cornwall
Sherbrooke
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from Washington, D.C. to Pierre Elliott Trudeau Intl

Discover the top 2 airlines that operate flights from Washington, D.C. to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 180AverageC$ 518FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 330AverageC$ 414FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Washington, D.C. to Pierre Elliott Trudeau Intl?

Cheapflights helps you search for flights from Washington, D.C. to Pierre Elliott Trudeau Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Pierre Elliott Trudeau Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington, D.C. to Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Washington, D.C. to Pierre Elliott Trudeau Intl with no change fees?

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Pierre Elliott Trudeau Intl become cheaper?

Of course! You can now track prices for flights from Washington, D.C. to Pierre Elliott Trudeau Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.