Pierre Elliott Trudeau Intl

$128+ Cheap flights from Washington, D.C. (WAS) to Pierre Elliott Trudeau Intl (YUL)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YUL
Nov 12 — Nov 191
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Find cheap flights from Washington, D.C. to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

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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 Thursday or Friday and return on a Thursday

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

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 October 13, 2025.

This SmartFares deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Tue 11/2511:25 amYUL - IAD
1 stop5h 49mPorter Airlines
Deal found 10/12$277
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:44 amIAD - YUL
2 stops13h 36mMultiple Airlines
Wed 12/31:40 pmYUL - IAD
1 stop3h 34mMultiple Airlines
Deal found 10/12$278
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Mon 11/171:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
Deal found 10/13$281
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:40 amIAD - YUL
1 stop4h 50mPorter Airlines
Sun 11/96:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/12$283
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:40 amIAD - YUL
1 stop3h 40mPorter Airlines
Sun 11/96:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/12$284
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:30 amIAD - YUL
2 stops11h 14mMultiple Airlines
Fri 12/126:45 amYUL - IAD
1 stop3h 39mMultiple Airlines
Deal found 10/11$285
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:40 amIAD - YUL
1 stop3h 40mPorter Airlines
Thu 11/271:40 pmYUL - IAD
1 stop3h 34mPorter Airlines
Deal found 10/11$288
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Fri 12/126:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 10/11$290
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:30 pmIAD - YUL
1 stop4h 15mPorter Airlines
Sun 11/1611:25 amYUL - IAD
1 stop5h 49mPorter Airlines
Deal found 10/12$291
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:36 pmIAD - YUL
2 stops28h 07mMultiple Airlines
Mon 11/1011:25 amYUL - IAD
1 stop5h 49mMultiple Airlines
Deal found 10/12$292
This Booking.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:05 amDCA - YUL
Nonstop1h 41mAir Canada
Tue 12/21:35 pmYUL - DCA
Nonstop1h 56mAir Canada
Deal found 10/11$292
This Trip.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:45 pmIAD - YUL
1 stop5h 00mPorter Airlines
Mon 11/2411:25 amYUL - IAD
1 stop5h 49mPorter Airlines
Deal found 10/11$293

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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(SmartFares)

One-way from

$128
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$408

Good round-trip deal

$386 or less

Good one-way deal

$137 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal Pierre Elliott Trudeau Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal Pierre Elliott Trudeau Intl flights.
From Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl
One-way flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl
Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.

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 2,558,603 searches. Data last updated October 13, 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

Wed 12/10

5:50 pm-7:48 pm

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 11/26

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 11/29

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 11/25

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 11/29

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 12/8

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/6

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 11/13

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 12/8

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 12/7

5:50 pm-7:48 pm

Nonstop1h 58m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 11/12

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 11/22

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 11/29

9:15 am-11:23 am

Nonstop2h 08m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Wed 12/10

1:20 pm-3:16 pm

Nonstop1h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

2:13 pm-4:21 pm

Nonstop2h 08m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 59 results
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Compare providers for flights from Washington, D.C. to Pierre Elliott Trudeau Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Pierre Elliott Trudeau Intl in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 10, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $113). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of $238). 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 October 13, 2025.

It’s typically best to fly out from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport at noon. Doing so could potentially save you 44% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Pierre Elliott Trudeau Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Washington, D.C. to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 13, 2025.

The most flights from WAS to YUL are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

The best insider tips for Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport trip
Airports
DCA

DCA is easily accessible via the Metro, making it a convenient choice for travelers from D.C. and nearby areas.

Read more about DCAby Emily Zemler
IAD

IAD offers multiple transport options including the Metro's Silver line, providing a cost-effective way to reach the airport.

Read more about IADby Ramsey Qubein
YUL

Use the ArriveCAN app to fill out your arrival declaration card and avoid lines at YUL's passport control kiosks.

Read more about YULby John Walton
Our travel experts
John Walton

John Walton

Expert on YUL

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Emily Zemler

Emily Zemler

Expert on DCA

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 October 13, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, United Airlines, and Air Canada from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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?

    United Airlines can get you from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in just under 1h 58m. Your travel time will be generally consistent. Airlines will cover a distance of 488 mi. All flights are typically nonstop.

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

    Air Canada, at $137, was found to be the cheapest airline from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport.Alternate airlines to your destination round-trip include Porter Airlines and United Airlines. These flights start at 65% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport are Porter Airlines ($135), United Airlines ($137), and Air Canada ($139).

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport on time: Republic Airways (89%), United Airlines (89%), Jazz (89%).

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

    Looking at all options, your cheapest flight can be booked for $120. While the most popular route (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $264 on average, our data indicates $973 when flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport.

  • 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 $113). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of $238). 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

Traveling 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
Longueuil
Brossard
Sherbrooke
Dorval

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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.

Top 5 airlines flying from Washington, D.C. to Pierre Elliott Trudeau Intl

Discover the top 5 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 2,558,603 searches. Data last updated October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$137Average$363FlexibilityNo cancel feeOn-time67%
DeltaCheapest$212Average$438FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$247Average$326FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$251Average$473FlexibilityNo cancel feeOn-time69%
WestJetCheapest$422Average$638FlexibilityNo cancel feeOn-time60%

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