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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington from C$ 240

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Washington
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
WestJet
Fri 1/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 13/3C$ 386
Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
WestJet
Sat 2/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 14/3C$ 402
Wed 13/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 23/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 13/3C$ 403
Mon 11/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 16/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 12/3C$ 407
Thu 4/66:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 13/67:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 13/3C$ 421
Tue 21/46:45 a.m.
YUL
-
SEA
2 stops34h 34m
WestJet
Tue 28/47:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 13/3C$ 425
Wed 20/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Wed 3/67:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 14/3C$ 427
Fri 8/53:25 p.m.
YUL
-
PDX
1 stop8h 41m
United Airlines
Mon 11/510:55 p.m.
PDX
-
YUL
1 stop8h 45m
United Airlines
Deal found 13/3C$ 429
Wed 12/86:35 p.m.
YUL
-
PDX
1 stop9h 12m
United Airlines
Sat 29/81:14 p.m.
PDX
-
YUL
1 stop16h 02m
United Airlines
Deal found 14/3C$ 440
Tue 14/42:20 p.m.
YUL
-
PDX
1 stop9h 22m
United Airlines
Sat 18/48:40 a.m.
PDX
-
YUL
2 stops10h 26m
United Airlines
Deal found 15/3C$ 446
Sat 15/89:45 a.m.
YUL
-
PDX
1 stop16h 24m
United Airlines
Tue 25/811:15 p.m.
PDX
-
YUL
1 stop15h 15m
United Airlines
Deal found 14/3C$ 447
Tue 28/42:20 p.m.
YUL
-
PDX
1 stop9h 22m
United Airlines
Mon 11/511:55 p.m.
PDX
-
YUL
1 stop7h 45m
United Airlines
Deal found 13/3C$ 493

Find flight deals from Pierre Elliott Trudeau Intl to Washington

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Washington flight deals. Data was last updated 16 March 2026.

Round-trip from

C$ 380

One-way from

C$ 240

Popular in

January

Cheapest in

March

Average price

C$ 608
WestJet
  • WestJet
  • 25/4-1/5
  • 2 total stops
  • 18h 31m total
  • Montreal to Washington
Search Deals
United Airlines
  • United Airlines
  • 26/6
  • 1 total stop
  • 9h 15m total
  • Montreal to Washington
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Washington 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 16 March 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

3:25 p.m.-9:59 p.m.

1 stop9h 34m

Portland

Fri 10/4

11:59 p.m.-10:40 a.m.

1 stop7h 41m

C$ 446

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

3:25 p.m.-9:59 p.m.

1 stop9h 34m

Portland

Sat 18/4

11:15 p.m.-1:09 p.m.

1 stop10h 54m

C$ 446

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

2:20 p.m.-12:59 a.m.

2 stops13h 39m

Portland

Sat 9/5

8:04 a.m.-7:45 p.m.

1 stop8h 41m

C$ 446

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

3:25 p.m.-9:06 p.m.

1 stop8h 41m

Portland

Fri 8/5

7:05 p.m.-4:10 p.m.

2 stops18h 05m

C$ 447

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

3:25 p.m.-9:59 p.m.

1 stop9h 34m

Portland

Mon 11/5

10:55 p.m.-10:40 a.m.

1 stop8h 45m

C$ 447

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

4:15 p.m.-2:19 p.m.

1 stop25h 04m

Seattle/Tacoma Intl

Tue 28/4

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 469

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

6:45 a.m.-6:45 p.m.

2 stops15h 00m

Seattle/Tacoma Intl

Sun 14/6

7:35 p.m.-12:25 a.m.

2 stops25h 50m

C$ 490
Quickest round-trip

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

2:20 p.m.-8:42 p.m.

1 stop9h 22m

Portland

Mon 11/5

11:55 p.m.-10:40 a.m.

1 stop7h 45m

C$ 493

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

7:20 p.m.-6:45 p.m.

2 stops26h 25m

Seattle/Tacoma Intl

Sat 22/8

7:35 p.m.-7:05 a.m.

1 stop8h 30m

C$ 523

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

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

1 stop28h 00m

Seattle/Tacoma Intl

Sun 21/6

10:30 a.m.-7:05 a.m.

1 stop17h 35m

C$ 528

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 54 resultsSorted by cheapest first
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6

Best time to book a flight from Pierre Elliott Trudeau Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Washington

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington?

Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington (average of C$ 257). Flying from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington in February is currently the most expensive (average of C$ 572). 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.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated 16 March 2026.
See what other customers who have flown with Delta,United Airlines, andWestJet from Montreal Pierre Elliott Trudeau Intl Airport to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,292 reviews
Check prices

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,292 reviews
Delta
7.9
Good
8,292 reviews
Check prices

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,428 reviews
Delta
7.9
Good
8,292 reviews
Check prices

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,295 reviews
Delta
7.9
Good
8,292 reviews
Check prices

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,469 reviews
Delta
7.9
Good
8,292 reviews
Check prices

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,806 reviews
Delta
7.9
Good
8,292 reviews
Check prices

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Washington. 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 Montreal Pierre Elliott Trudeau Intl Airport to State of Washington?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington can take about 9h 34m. United Airlines provides one of the quickest options available for as low as C$ 446. The distance between Montreal Pierre Elliott Trudeau Intl Airport and State of Washington is about 3742 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Portland or Montreal Pierre Elliott Trudeau Intl - Spokane, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl is the most popular route from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington.

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

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Washington.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Washington 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 Montreal Pierre Elliott Trudeau Intl Airport to State of Washington?

    Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington (average of C$ 257). Flying from Montreal Pierre Elliott Trudeau Intl Airport to State of Washington in February is currently the most expensive (average of C$ 572). 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

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Top 5 airlines flying from Pierre Elliott Trudeau Intl to Washington

Discover the top 5 airlines that operate flights from Pierre Elliott Trudeau Intl to Washington. 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 256AverageC$ 556FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 279AverageC$ 661FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 355AverageC$ 494FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 462AverageC$ 715FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 492AverageC$ 681FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Washington?

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

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

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