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Pierre Elliott Trudeau Intl

$163+ Cheap flights from Reagan-National (DCA) 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YUL
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl are usually found in April or February, booked 86 days in advance, depart on a Saturday or Thursday and return on a Thursday

Cheap flight deals from Reagan-National to Pierre Elliott Trudeau Intl

Cheapest flights from Reagan-National to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Reagan-National to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Air Canada deal was found by Cheapflights users on 7/22. 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 10/36:55 pm
DCA
-
YUL
1 stop5h 41m
Air Canada
Sun 10/48:30 am
YUL
-
DCA
Nonstop1h 50m
Air Canada
Deal found 7/22$323
This Air Canada deal was found by Cheapflights users on 7/19. 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.
Sun 11/111:05 am
DCA
-
YUL
Nonstop1h 41m
Air Canada
Sun 11/14:10 pm
YUL
-
DCA
1 stop6h 28m
Air Canada
Deal found 7/19$326
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/106:59 am
DCA
-
YUL
1 stop9h 46m
Multiple Airlines
Sun 9/138:30 am
YUL
-
DCA
Nonstop1h 50m
Multiple Airlines
Deal found 7/24$345
This Flightnetwork deal was found by Cheapflights users on 7/24. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:40 pm
DCA
-
YUL
1 stop11h 40m
Air Canada
Tue 10/208:00 pm
YUL
-
DCA
Nonstop1h 50m
Air Canada
Deal found 7/24$352
This Booking.com deal was found by Cheapflights users on 7/21. 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 8/256:00 am
DCA
-
YUL
Nonstop1h 47m
Air Canada
Sat 8/298:00 pm
YUL
-
DCA
Nonstop1h 48m
Air Canada
Deal found 7/21$355
This Air Canada deal was found by Cheapflights users on 7/22. 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.
Mon 10/58:40 pm
DCA
-
YUL
1 stop5h 11m
Air Canada
Tue 10/68:30 am
YUL
-
DCA
Nonstop1h 50m
Air Canada
Deal found 7/22$356
This Mytrip deal was found by Cheapflights users on 7/24. 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.
Tue 8/2511:00 am
DCA
-
YUL
1 stop5h 45m
Multiple Airlines
Sun 8/308:30 am
YUL
-
DCA
Nonstop1h 48m
Multiple Airlines
Deal found 7/24$357
This Booking.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/276:00 am
DCA
-
YUL
Nonstop1h 47m
Air Canada
Sun 8/308:30 am
YUL
-
DCA
Nonstop1h 48m
Air Canada
Deal found 7/22$358
This Flightnetwork deal was found by Cheapflights users on 7/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:55 pm
DCA
-
YUL
1 stop5h 36m
Air Canada
Mon 9/288:40 am
YUL
-
DCA
1 stop3h 34m
Air Canada
Deal found 7/22$363

Find flight deals from Reagan-National to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$323
(Air Canada)

One-way from

$163
(Mytrip)

Popular in

July

Cheapest in

April

Average price

$482

Good round-trip deal

$404 or less

Good one-way deal

$230 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Montreal Pierre Elliott Trudeau Intl flights.
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From Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 July 24, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 9/8

7:25 pm-11:27 pm

1 stop4h 02m

Montreal Pierre Elliott Trudeau Intl

Fri 9/11

2:46 pm-11:02 pm

2 stops8h 16m

$431

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sun 8/23

6:00 am-11:39 am

1 stop5h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 8/25

2:29 pm-10:58 pm

1 stop8h 29m

$438

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 8/12

11:30 am-4:10 pm

1 stop4h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 8/26

3:35 pm-10:31 pm

1 stop6h 56m

$441
Quickest round-trip

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 8/11

8:25 am-1:09 pm

1 stop4h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 8/15

4:40 pm-10:31 pm

1 stop5h 51m

$441

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 8/21

8:25 am-1:09 pm

1 stop4h 44m

Montreal Pierre Elliott Trudeau Intl

Fri 8/28

4:40 pm-10:31 pm

1 stop5h 51m

$441

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 8/4

1:00 pm-10:06 pm

1 stop9h 06m

Montreal Pierre Elliott Trudeau Intl

Fri 8/7

3:35 pm-10:31 pm

1 stop6h 56m

$441

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 8/13

8:00 am-5:46 pm

1 stop9h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 8/29

7:00 am-2:53 pm

1 stop7h 53m

$442

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 8/27

8:25 am-4:10 pm

1 stop7h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 8/30

6:00 am-9:46 am

1 stop3h 46m

$443

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 8/22

6:25 pm-11:30 pm

1 stop5h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 8/24

12:44 pm-9:45 pm

1 stop9h 01m

$443

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 8/18

8:00 am-5:46 pm

1 stop9h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 8/22

6:00 am-2:53 pm

2 stops8h 53m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Reagan-National 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 Reagan-National to Pierre Elliott Trudeau Intl in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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. Reagan-National Airport-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. Reagan-National Airport-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. Reagan-National Airport-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. Reagan-National Airport-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. Reagan-National Airport-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 Reagan-National to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Reagan-National 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. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport, you should look to book at least 85 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. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $354). Flying from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $482). 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 DCA to YUL?

Find hourly flight availability from Reagan-National 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 July 24, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

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

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between $380 and $534 in October.
The cheapest round-trip price found within the last 5 days was $323 on Air Canada (Oct 3-Oct 4).

The best insider tips for Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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

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 July 24, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,029 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,029 reviews
United Airlines
7.4
Good
10,029 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
Air Canada
7.1
Good
11,381 reviews
United Airlines
7.4
Good
10,029 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Airlines like Delta fly from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport in about 4h 02m. The time it takes to get you to your destination can typically vary by up to . There are 486 mi between Washington, D.C. Reagan-National Airport and Montreal Pierre Elliott Trudeau Intl Airport.

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

    Currently priced at $188, United Airlines will fly you from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Canada for as low as $239. Users have found that United Airlines is 56% cheaper than the other options available to this destination.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada (59%), Jazz (59%) and United Airlines (59%).

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

    Looking at all options, your cheapest flight can be booked for $161. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $366 on average, our data indicates $1,322 when flying from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • Can I find deals for flights from Reagan-National to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National 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 Reagan-National to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Reagan-National to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $354). Flying from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $482). 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
Longueuil
Laval
Dorval

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Top 2 airlines flying from Reagan-National to Pierre Elliott Trudeau Intl

Discover the top 2 airlines that operate flights from Reagan-National 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$536FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$239Average$408FlexibilityNo cancel feeOn-time67%

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