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Cheap flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport from C$ 175

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 Tuesday or Thursday and return on a Saturday

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 11 September 2025.

Round-trip from

C$ 382

One-way from

C$ 175

Popular in

December

Cheapest in

March

Average price

C$ 536

Good round-trip deal

C$ 109 or less

Good one-way deal

C$ 381 or less
Porter Airlines
  • Porter Airlines
  • 23/9-30/9
  • 2 total stops
  • 10h 16m total
  • Washington, D.C. to Montreal
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10/12
  • 10/12
  • 1 total stop
  • 25h 58m total
  • Washington, D.C. to Montreal
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Montreal Pierre Elliott Trudeau Intl.
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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 11 September 2025.

Fri 24/108:40 p.m.DCA - YUL
1 stop5h 10mAir Canada
Fri 31/102:00 p.m.YUL - DCA
Nonstop1h 56mAir Canada
Deal found 9/9C$ 373
Sat 4/1011:00 a.m.DCA - YUL
1 stop6h 20mAir Canada
Sat 4/108:00 p.m.YUL - DCA
Nonstop1h 51mAir Canada
Deal found 9/9C$ 376
Tue 23/94:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Sat 27/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 10/9C$ 382
Fri 17/104:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Mon 20/108:55 a.m.YUL - IAD
1 stop6h 11mPorter Airlines
Deal found 9/9C$ 384
Sat 25/104:20 p.m.IAD - YUL
1 stop3h 50mPorter Airlines
Tue 28/106:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Deal found 9/9C$ 385
Sun 5/104:20 p.m.IAD - YUL
1 stop5h 55mPorter Airlines
Thu 9/1010:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 9/9C$ 389
Sat 25/104:20 p.m.IAD - YUL
1 stop3h 50mMultiple Airlines
Sat 1/117:00 p.m.YUL - IAD
Nonstop1h 54mMultiple Airlines
Deal found 10/9C$ 391
Sun 26/106:30 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Sun 2/115:45 a.m.YUL - IAD
1 stop3h 39mPorter Airlines
Deal found 11/9C$ 392
Sat 25/109:35 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Sat 1/117:00 p.m.YUL - IAD
Nonstop1h 54mAir Canada
Deal found 10/9C$ 394
Thu 30/109:45 a.m.IAD - YUL
Nonstop1h 53mAir Canada
Mon 3/117:00 p.m.YUL - IAD
Nonstop1h 54mAir Canada
Deal found 11/9C$ 395
Thu 30/1012:55 p.m.DCA - YUL
1 stop6h 19mAir Canada
Mon 3/118:00 p.m.YUL - DCA
Nonstop1h 56mAir Canada
Deal found 11/9C$ 395
Thu 25/911:35 a.m.IAD - YUL
1 stop4h 25mPorter Airlines
Mon 29/910:45 a.m.YUL - IAD
1 stop4h 21mPorter Airlines
Deal found 10/9C$ 396

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 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 11/10

4:20 p.m.-8:10 p.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

7:00 a.m.-7:26 p.m.

1 stop12h 26m

C$ 432

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Sat 11/10

5:37 p.m.-7:45 p.m.

Nonstop2h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

9:15 a.m.-11:13 a.m.

Nonstop1h 58m

C$ 453

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Thu 6/11

11:05 a.m.-12:46 p.m.

Nonstop1h 41m

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

8:30 a.m.-10:26 a.m.

Nonstop1h 56m

C$ 453

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 3/10

5:37 p.m.-7:45 p.m.

Nonstop2h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

7:10 p.m.-9:05 p.m.

Nonstop1h 55m

C$ 453

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 3/10

6:00 a.m.-7:49 a.m.

Nonstop1h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

8:00 p.m.-9:51 p.m.

Nonstop1h 51m

C$ 453

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 20/11

6:00 a.m.-11:40 a.m.

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

6:00 a.m.-5:04 p.m.

2 stops11h 04m

C$ 455

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Sat 25/10

4:03 p.m.-11:48 p.m.

1 stop7h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 28/10

9:28 a.m.-6:59 p.m.

2 stops9h 31m

C$ 455

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Wed 24/9

12:00 p.m.-11:18 p.m.

1 stop11h 18m

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

7:00 a.m.-4:35 p.m.

2 stops9h 35m

C$ 455

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Fri 3/10

4:20 p.m.-8:10 p.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

6:55 a.m.-3:06 p.m.

1 stop8h 11m

C$ 456

BaltimoreMontreal

BWI - YUL

BWIYUL

Baltimore/Washington

Fri 26/9

6:38 a.m.-12:27 a.m.

2 stops17h 49m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

7:00 a.m.-7:01 a.m.

3 stops24h 01m

C$ 461

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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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 29 August 2025.

The price you pay for your flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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 11 September 2025.

One of the essential ways to save on airfare from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.

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 11 September 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 11 September 2025.
Get a feel of what it's like to fly with Air Canada from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.

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?

    For as low as C$ 453, United Airlines can have you in Montreal Pierre Elliott Trudeau Intl Airport from Washington, D.C. in 1h 41m. Airlines will cover a distance of 782 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Flying on Air Canada is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at C$ 196. Another option worth looking into is Porter Airlines, starting at C$ 327 round trip. Users have found that Air Canada is 63% cheaper than the other options available to this destination.

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

    The most popular route from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport is Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl or Baltimore/Washington - Montreal Pierre Elliott Trudeau Intl.

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

    Consider Republic Airways (86%), United Airlines (85%) or Jazz (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport.

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

    On average you can expect to pay C$ 603 for a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 190 while the most popular route, (Washington, D.C. Dulles Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 324.

  • 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, October is the cheapest month in which you can book a flight from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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

Travelling 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
Dorval
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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Alternative routes for Washington, D.C. to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights

Top 3 airlines flying from Washington, D.C. to Pierre Elliott Trudeau Intl

Discover the top 3 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 196AverageC$ 510FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 327AverageC$ 451FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 473AverageC$ 748FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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Can Cheapflights find flights from Washington, D.C. to Pierre Elliott Trudeau Intl with no change fees?

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Pierre Elliott Trudeau Intl become cheaper?

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