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Cheap flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport from C$ 161

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Washington to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Wed 31/1210:52 p.m.PDX - YUL
1 stop17h 56mUnited Airlines
Tue 20/13:00 p.m.YUL - PDX
1 stop9h 49mUnited Airlines
Deal found 10/12C$ 554
Thu 18/129:50 a.m.PDX - YUL
1 stop8h 10mAir Canada
Thu 15/19:00 a.m.YUL - PDX
1 stop8h 40mAir Canada
Deal found 10/12C$ 709
Tue 16/1212:32 a.m.PDX - YUL
2 stops15h 22mDelta
Thu 15/12:45 p.m.YUL - PDX
1 stop10h 30mDelta
Deal found 10/12C$ 794
Thu 18/128:35 a.m.PDX - YUL
2 stops11h 23mAmerican Airlines
Thu 15/17:00 a.m.YUL - PDX
1 stop16h 24mAmerican Airlines
Deal found 10/12C$ 863
Sat 27/1211:10 p.m.SEA - YUL
1 stop14h 17mMultiple Airlines
Sun 4/17:30 p.m.YUL - SEA
2 stops40h 24mMultiple Airlines
Deal found 11/12C$ 958
Tue 30/126:15 a.m.PDX - YUL
2 stops14h 04mDelta
Thu 1/17:00 a.m.YUL - PDX
2 stops14h 53mDelta
Deal found 10/12C$ 986
Tue 30/127:10 a.m.PDX - YUL
1 stop11h 07mUnited Airlines
Thu 1/19:15 a.m.YUL - PDX
1 stop14h 33mUnited Airlines
Deal found 10/12C$ 1,041
Tue 23/128:00 p.m.SEA - YUL
1 stop7h 44mAir Canada
Sat 10/11:15 p.m.YUL - SEA
2 stops11h 51mAir Canada
Deal found 11/12C$ 1,078
Fri 26/125:50 a.m.SEA - YUL
1 stop8h 10mAir Canada
Fri 2/17:30 a.m.YUL - SEA
1 stop17h 36mAir Canada
Deal found 11/12C$ 1,092
Sat 13/1212:48 p.m.SEA - YUL
2 stops32h 42mMultiple Airlines
Tue 16/125:10 p.m.YUL - SEA
1 stop9h 09mMultiple Airlines
Deal found 10/12C$ 1,134
Thu 11/123:10 p.m.SEA - YUL
1 stop12h 55mWestJet
Thu 18/127:30 p.m.YUL - SEA
1 stop21h 50mWestJet
Deal found 10/12C$ 1,225
Wed 17/125:50 a.m.SEA - YUL
1 stop8h 10mAir Canada
Tue 23/123:10 p.m.YUL - SEA
1 stop10h 06mAir Canada
Deal found 9/12C$ 1,233

Find flight deals from Washington to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Washington to Pierre Elliott Trudeau Intl flight deals. Data was last updated 12 December 2025.

Round-trip from

C$ 379

One-way from

C$ 161

Popular in

February

Cheapest in

September

Average price

C$ 1,026
WestJet
  • WestJet
  • 11/1-20/1
  • 2 total stops
  • 38h 00m total
  • Washington to Montreal
Search Deals
WestJet
  • WestJet
  • 2/3
  • 1 total stop
  • 21h 03m total
  • Washington to Montreal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 12 December 2025.
Use the filters below to find and compare flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Washington

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 8/1

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

6:45 a.m.-7:17 p.m.

1 stop15h 32m

C$ 499

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 11/2

7:55 a.m.-12:38 a.m.

1 stop13h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

6:45 a.m.-7:18 p.m.

1 stop15h 33m

C$ 550

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Fri 16/1

10:15 p.m.-10:44 p.m.

1 stop21h 29m

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

7:00 a.m.-8:24 p.m.

1 stop16h 24m

C$ 554

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Sun 4/1

11:55 p.m.-9:17 p.m.

1 stop18h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

3:00 p.m.-9:49 p.m.

1 stop9h 49m

C$ 554

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Fri 9/1

7:00 a.m.-9:17 p.m.

1 stop11h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

3:00 p.m.-9:49 p.m.

1 stop9h 49m

C$ 554

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 14/1

3:39 p.m.-7:05 a.m.

2 stops12h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

7:30 p.m.-7:52 p.m.

1 stop27h 22m

C$ 554

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 31/12

10:52 p.m.-7:48 p.m.

1 stop17h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

3:00 p.m.-9:49 p.m.

1 stop9h 49m

C$ 554

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 2/2

3:40 p.m.-7:10 a.m.

2 stops12h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

10:10 a.m.-7:16 p.m.

2 stops12h 06m

C$ 563

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 2/2

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 3/2

7:30 p.m.-2:19 p.m.

1 stop21h 49m

C$ 567

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 7/1

3:50 p.m.-2:00 p.m.

2 stops19h 10m

Montreal Pierre Elliott Trudeau Intl

Fri 9/1

3:00 p.m.-9:49 p.m.

1 stop9h 49m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 42 results
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Best time to book a flight from Washington to Pierre Elliott Trudeau Intl

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

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

Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 292). Flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 798). 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.

Related info for your journey

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

    Departing from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport will take you 12h 30m. Airlines will cover a distance of 3663 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport are WestJet (C$ 211), Air Canada (C$ 237), and United Airlines (C$ 329).

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

    When deciding which route to take from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport consider Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Portland - Montreal Pierre Elliott Trudeau Intl or Pasco Tri Cities - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 292). Flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 798). 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
Cornwall
Sherbrooke
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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Alternative routes for Washington to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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