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

$107+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YUL
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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 November or May, booked 77 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

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 February 6, 2026.

This Mytrip deal was found by Cheapflights users on 2/6. 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 4/2311:40 am
IAD
-
YUL
1 stop4h 50m
Porter Airlines
Sat 4/258:55 am
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 2/6$285
This FlightHub deal was found by Cheapflights users on 2/4. 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.
Fri 5/14:05 pm
IAD
-
YUL
1 stop4h 05m
Porter Airlines
Mon 5/410:35 am
YUL
-
IAD
1 stop4h 46m
Porter Airlines
Deal found 2/4$286
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Thu 3/2611:40 am
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Sat 4/48:55 am
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 2/2$287
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/2611:40 am
IAD
-
YUL
1 stop6h 05m
Multiple Airlines
Sun 3/295:25 pm
YUL
-
IAD
2 stops13h 59m
Multiple Airlines
Deal found 2/6$289
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/3011:40 am
IAD
-
YUL
1 stop4h 50m
Multiple Airlines
Mon 4/68:00 am
YUL
-
IAD
2 stops40h 36m
Multiple Airlines
Deal found 2/6$293
This Mytrip deal was found by Cheapflights users on 2/4. 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 3/144:10 pm
DCA
-
YUL
Nonstop1h 45m
Air Canada
Mon 3/168:00 pm
YUL
-
DCA
Nonstop1h 56m
Air Canada
Deal found 2/4$293
This Mytrip deal was found by Cheapflights users on 2/4. 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.
Wed 3/411:40 am
IAD
-
YUL
1 stop7h 35m
Porter Airlines
Wed 3/116:50 am
YUL
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 2/4$294
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 3/1111:40 am
IAD
-
YUL
1 stop4h 50m
Multiple Airlines
Mon 3/168:00 am
YUL
-
IAD
2 stops39h 56m
Multiple Airlines
Deal found 2/3$295
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/2611:40 am
IAD
-
YUL
1 stop6h 05m
Porter Airlines
Mon 4/66:45 am
YUL
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 2/4$296
This Mytrip deal was found by Cheapflights users on 2/3. 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 2/289:45 am
IAD
-
YUL
Nonstop1h 45m
Air Canada
Sat 3/77:00 pm
YUL
-
IAD
Nonstop1h 54m
Air Canada
Deal found 2/3$297
This Mytrip deal was found by Cheapflights users on 2/3. 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 2/2811:05 am
DCA
-
YUL
Nonstop1h 41m
Air Canada
Sat 3/78:25 am
YUL
-
DCA
Nonstop1h 56m
Air Canada
Deal found 2/3$297
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/2611:40 am
IAD
-
YUL
1 stop6h 05m
Multiple Airlines
Mon 4/68:00 am
YUL
-
IAD
2 stops40h 36m
Multiple Airlines
Deal found 2/2$298

Find 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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(Mytrip)

One-way from

$107
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$371

Good round-trip deal

$367 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Montreal Pierre Elliott Trudeau Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Montreal Pierre Elliott Trudeau Intl flights.
Search Deals
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. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 2,558,603 searches. Data last updated February 6, 2026.
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

Mon 2/23

11:40 am-5:45 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

6:45 am-10:22 am

1 stop3h 37m

$311

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sun 4/19

6:30 pm-10:45 pm

1 stop4h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 4/25

8:55 am-12:29 pm

1 stop3h 34m

$312

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Wed 3/25

4:05 pm-4:20 pm

1 stop24h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 3/28

8:00 am-11:59 pm

1 stop15h 59m

$343

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 3/30

5:35 pm-7:45 pm

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 4/2

9:15 am-11:17 am

Nonstop2h 02m

$371

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 3/10

6:00 am-7:45 am

Nonstop1h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 3/14

8:25 am-10:21 am

Nonstop1h 56m

$371

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/9

5:35 pm-7:45 pm

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 4/12

6:35 pm-8:37 pm

Nonstop2h 02m

$371

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Tue 3/31

10:08 pm-12:13 am

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 4/3

9:15 am-11:17 am

Nonstop2h 02m

$371

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Mon 4/6

12:40 pm-2:40 pm

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 4/20

9:15 am-11:17 am

Nonstop2h 02m

$371

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 4/2

5:35 pm-7:45 pm

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 4/7

2:20 pm-4:22 pm

Nonstop2h 02m

$371

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 4/11

12:40 pm-2:40 pm

Nonstop2h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

2:20 pm-4:22 pm

Nonstop2h 02m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 55 results
1
2
3
...
6

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust 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 January 30, 2026.

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, March is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of $112). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of $249). 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 February 6, 2026.

It’s typically best to fly out from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in the evening. Doing so could potentially save you 22% on the flight price compared to flying at noon, 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 January 31, 2026.

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. Saturday 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 February 6, 2026.

The most flights from WAS to YUL are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport trip
Our travel experts
John Walton

John Walton

Expert on YUL

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 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

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 February 6, 2026.
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
412 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Comfort

7.9

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Comfort

7.9

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,245 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Comfort

7.9

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,697 reviews
Porter Airlines
7.9
Good
412 reviews

Boarding

8.2

Food

7.5

Crew

8.6

Comfort

7.9

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    Porter Airlines, United Airlines, and Air Canada can get you from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in just under 1h 45m. Your travel time can differ by up to 4h 20m. 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 $117, 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 69% 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 Air Canada ($95), Porter Airlines ($106), and United Airlines ($137).

  • 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: Jazz (75%), Avianca (72%), Copa Airlines (69%).

  • 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 $141. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $339 on average, our data indicates $1,212 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of $112). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of $249). 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
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.
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National 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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$117Average$349FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$148Average$292FlexibilityNo cancel feeOn-time52%
DeltaCheapest$162Average$611FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$430FlexibilityNo cancel feeOn-time69%
WestJetCheapest$422Average$653FlexibilityNo 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.