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Pierre Elliott Trudeau Intl

$135+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YUL
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 September, booked 67 days in advance, depart on a Sunday or Friday 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 March 12, 2026.

This Mytrip deal was found by Cheapflights users on 3/9. 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.
Fri 4/246:00 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Fri 5/13:40 pm
YUL
-
DCA
1 stop4h 18m
Air Canada
Deal found 3/9$287
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Fri 4/176:00 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Wed 4/221:40 pm
YUL
-
DCA
Nonstop1h 50m
Air Canada
Deal found 3/11$305
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:00 am
DCA
-
YUL
Nonstop1h 46m
Air Canada
Mon 6/158:30 am
YUL
-
DCA
Nonstop1h 49m
Air Canada
Deal found 3/10$307
This Air Canada deal was found by Cheapflights users on 3/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:00 am
DCA
-
YUL
1 stop6h 26m
Air Canada
Wed 5/278:00 pm
YUL
-
DCA
Nonstop1h 55m
Air Canada
Deal found 3/10$338

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Mytrip)

One-way from

$136
(Flightnetwork)

Popular in

June

Cheapest in

April

Average price

$458

Good round-trip deal

$438 or less

Good one-way deal

$192 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
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Montreal Pierre Elliott Trudeau Intl.
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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 March 12, 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

Mon 4/13

8:29 am-1:39 pm

1 stop5h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 4/16

12:42 pm-8:33 pm

1 stop7h 51m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 5/2

5:55 pm-10:06 pm

1 stop4h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 5/4

11:23 am-4:24 pm

1 stop5h 01m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 4/18

7:00 am-1:09 pm

1 stop6h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 4/25

11:23 am-5:25 pm

1 stop6h 02m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 4/3

10:05 am-4:10 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 4/6

6:00 am-10:30 am

1 stop4h 30m

$429

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 4/22

6:00 pm-11:51 pm

1 stop5h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

9:30 am-5:00 pm

2 stops7h 30m

$439

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 5/23

5:55 pm-8:39 am

1 stop14h 44m

Montreal Pierre Elliott Trudeau Intl

Thu 5/28

12:40 pm-10:44 pm

1 stop10h 04m

$439

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 4/29

2:34 pm-11:51 pm

2 stops9h 17m

Montreal Pierre Elliott Trudeau Intl

Fri 5/1

2:29 pm-11:17 pm

1 stop8h 48m

$449

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 5/26

8:10 am-6:53 pm

1 stop10h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 6/2

9:30 am-6:59 pm

2 stops9h 29m

$449

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 4/16

6:00 am-11:59 am

1 stop5h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 4/25

6:00 am-1:58 pm

2 stops7h 58m

$461
Quickest round-trip

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 5/15

10:05 am-4:10 pm

1 stop6h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 5/17

8:30 am-10:19 am

Nonstop1h 49m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 22 resultsSorted by cheapest first
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2
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  • 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?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Pierre Elliott Trudeau Intl. Price data was last updated on March 6, 2026.

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 66 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, May 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 $130). Flying from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of $305). 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 March 12, 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.

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 March 12, 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
9,418 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,418 reviews

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 and United Airlines fly from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport in about 4h 11m. The time it takes to get you to your destination can typically vary by up to 59m. There are 486 mi between Washington, D.C. Reagan-National Airport and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $174, 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 $194. Users have found that United Airlines is 58% 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 (60%), Jazz (60%) and United Airlines (60%).

  • 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 $150. While the most popular route (Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl) can be booked for $364 on average, our data indicates $864 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, May 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 $130). Flying from Washington, D.C. Reagan-National Airport to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of $305). 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

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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$174Average$488FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$194Average$410FlexibilityNo cancel feeOn-time67%

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