HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pierre Elliott Trudeau Intl

$126+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YUL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl are usually found in March or May, booked 37 days in advance, depart on a Thursday or Friday and return on a Thursday

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 September 11, 2025.

Round-trip from

$276
(Trip.com)

One-way from

$126
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$387

Good round-trip deal

$395 or less

Good one-way deal

$185 or less
From Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/248:40 pmDCA - YUL
1 stop5h 10mAir Canada
Fri 10/312:00 pmYUL - DCA
Nonstop1h 56mAir Canada
Deal found 9/9$269
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:00 amDCA - YUL
1 stop6h 20mAir Canada
Sat 10/48:00 pmYUL - DCA
Nonstop1h 51mAir Canada
Deal found 9/9$271
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Tue 9/234:20 pmIAD - YUL
1 stop5h 55mPorter Airlines
Tue 9/3010:45 amYUL - IAD
1 stop4h 21mPorter Airlines
Deal found 9/10$276
This oojo deal was found by Cheapflights users on 9/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:20 pmIAD - YUL
1 stop5h 55mPorter Airlines
Mon 10/208:55 amYUL - IAD
1 stop6h 11mPorter Airlines
Deal found 9/9$277
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:20 pmIAD - YUL
1 stop3h 50mPorter Airlines
Tue 10/286:45 amYUL - IAD
1 stop3h 39mPorter Airlines
Deal found 9/9$278
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sun 10/54:20 pmIAD - YUL
1 stop5h 55mPorter Airlines
Thu 10/910:45 amYUL - IAD
1 stop4h 21mPorter Airlines
Deal found 9/9$281
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/254:20 pmIAD - YUL
1 stop3h 50mPorter Airlines
Sat 11/18:55 amYUL - IAD
1 stop3h 34mPorter Airlines
Deal found 9/10$282
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:40 amIAD - YUL
1 stop6h 05mMultiple Airlines
Mon 11/37:00 pmYUL - IAD
Nonstop1h 54mMultiple Airlines
Deal found 9/11$283
This Mytrip deal was found by Cheapflights users on 9/10. 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.
Sat 10/259:35 amIAD - YUL
Nonstop1h 53mAir Canada
Sat 11/17:00 pmYUL - IAD
Nonstop1h 54mAir Canada
Deal found 9/10$284
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:45 amIAD - YUL
Nonstop1h 53mAir Canada
Mon 11/37:00 pmYUL - IAD
Nonstop1h 54mAir Canada
Deal found 9/11$285
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Thu 9/2511:35 amIAD - YUL
1 stop4h 25mPorter Airlines
Mon 9/2910:45 amYUL - IAD
1 stop4h 21mPorter Airlines
Deal found 9/10$286
This Vliegwinkel deal was found by Cheapflights users on 9/10. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:35 pmDCA - YUL
Nonstop1h 50mAir Canada
Sat 11/18:00 pmYUL - DCA
Nonstop1h 56mAir Canada
Deal found 9/10$286

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 September 11, 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

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 11/21

12:55 pm-7:14 pm

1 stop6h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 11/23

8:00 pm-9:56 pm

Nonstop1h 56m

$298

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-4:25 pm

2 stops10h 25m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

6:45 am-10:24 am

1 stop3h 39m

$327

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 10/25

3:33 pm-11:14 pm

2 stops7h 41m

Montreal Pierre Elliott Trudeau Intl

Tue 10/28

7:00 am-4:57 pm

1 stop9h 57m

$328

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/20

6:00 am-11:40 am

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

6:00 am-5:04 pm

2 stops11h 04m

$328

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 10/2

6:00 am-11:34 am

1 stop5h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 10/4

6:00 am-6:39 pm

2 stops12h 39m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 11/6

12:42 pm-11:48 pm

2 stops11h 06m

Montreal Pierre Elliott Trudeau Intl

Mon 11/10

12:45 pm-9:43 pm

1 stop8h 58m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 10/25

3:05 pm-11:48 pm

2 stops8h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 10/28

7:00 am-5:48 pm

1 stop10h 48m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 9/23

6:00 am-11:34 am

1 stop5h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

6:00 am-2:25 pm

2 stops8h 25m

$328

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 9/24

12:00 pm-11:18 pm

1 stop11h 18m

Montreal Pierre Elliott Trudeau Intl

Wed 10/1

7:00 am-4:35 pm

2 stops9h 35m

$328

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 11/20

8:45 am-1:28 pm

1 stop4h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 11/24

9:15 am-11:23 am

Nonstop2h 08m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
1
2
3
...
6

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

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 August 29, 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 37 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 September 11, 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 12% on the flight price compared to flying in the afternoon, 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 Thursday evenings 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 September 11, 2025.

The most flights from WAS to YUL are scheduled on a Wednesday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

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

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 September 11, 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.
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

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.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

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.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

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.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.6

Food

7.6

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?

    Air Canada and Delta can get you from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in just under 6h 19m. Your travel time can differ by up to 1h 22m. Airlines will cover a distance of 486 mi. This flight may include one or multiple stops.

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

    Air Canada, at $135, 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 United Airlines and Porter Airlines. These flights start at 65% lower than the current average price 3 months from now.

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

    When deciding which route to take from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport consider Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl, Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

  • 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 (86%), United Airlines (85%), Jazz (80%).

  • 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 $137. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $283 on average, our data indicates $996 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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

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.
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$135Average$367FlexibilityNo cancel feeOn-time67%
DeltaCheapest$212Average$446FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$495FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$253Average$348FlexibilityNo cancel feeOn-time52%
WestJetCheapest$346Average$557FlexibilityNo cancel feeOn-time60%

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.