In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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.

What is the cheapest time of day to fly from WA to YUL?

When flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 166+ Cheap Flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport

Cheap flight deals from Washington to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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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 13 September 2026.

Tue 20/107:35 p.m. -

1 stop8h 30m

Thu 22/106:45 a.m. -

2 stops15h 00m

Deal found 12/9C$ 420

Sat 17/107:35 p.m. -

1 stop8h 30m

Fri 23/106:45 a.m. -

2 stops15h 00m

Deal found 11/9C$ 424

Sat 10/1010:10 a.m. -

1 stop7h 26m

Fri 16/107:15 a.m. -

1 stop9h 35m

Deal found 12/9C$ 437

Tue 6/107:35 p.m. -

1 stop8h 30m

Tue 13/106:45 a.m. -

2 stops15h 00m

Deal found 8/9C$ 440

Tue 20/107:35 p.m. -

1 stop8h 30m

Wed 28/106:45 a.m. -

2 stops10h 55m

Deal found 12/9C$ 441

Sat 17/107:35 p.m. -

1 stop8h 30m

Wed 21/106:45 a.m. -

2 stops15h 00m

Deal found 11/9C$ 442

Fri 16/107:35 p.m. -

1 stop8h 30m

Fri 23/106:45 a.m. -

2 stops15h 00m

Deal found 11/9C$ 444

Sun 18/107:35 p.m. -

1 stop8h 30m

Tue 20/108:00 p.m. -

1 stop16h 40m

Deal found 13/9C$ 445

Mon 19/107:35 p.m. -

1 stop8h 30m

Fri 23/106:45 a.m. -

2 stops15h 00m

Deal found 12/9C$ 447

Sat 10/107:35 p.m. -

1 stop8h 30m

Sat 17/106:45 a.m. -

2 stops15h 00m

Deal found 10/9C$ 449

Tue 29/97:35 p.m. -

1 stop8h 30m

Sat 3/106:45 a.m. -

2 stops15h 00m

Deal found 9/9C$ 451

Sat 17/1010:10 a.m. -

1 stop7h 26m

Fri 23/107:30 a.m. -

1 stop10h 16m

Deal found 9/9C$ 452

Best flights from Washington to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Washington to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Sat 26/97:35 p.m. -

1 stop8h 30m

Thu 1/106:45 a.m. -

2 stops15h 00m

Deal found 12/9C$ 459

Tue 20/102:27 p.m. -

1 stop17h 13m

Wed 21/102:20 p.m. -

1 stop8h 50m

Deal found 8/9C$ 513

Tue 13/1010:33 p.m. -

1 stop14h 37m

Thu 15/107:30 a.m. -

1 stop10h 16m

Deal found 8/9C$ 541

Fri 30/103:20 p.m. -

2 stops12h 50m

Mon 2/117:30 a.m. -

1 stop10h 11m

Deal found 13/9C$ 542

Wed 3/36:15 a.m. -

2 stops13h 55m

Sun 7/37:00 a.m. -

2 stops14h 17m

Deal found 9/9C$ 555

Thu 4/24:05 p.m. -

2 stops18h 55m

Tue 9/28:45 a.m. -

1 stop8h 56m

Deal found 11/9C$ 542

Wed 30/910:33 p.m. -

1 stop14h 37m

Wed 7/106:10 a.m. -

1 stop8h 23m

Deal found 8/9C$ 555

Wed 9/122:30 p.m. -

1 stop21h 20m

Mon 14/124:15 p.m. -

1 stop24h 25m

Deal found 8/9C$ 598

Wed 14/1010:33 p.m. -

1 stop11h 36m

Tue 20/109:15 a.m. -

1 stop13h 55m

Deal found 9/9C$ 555

Mon 1/35:45 a.m. -

2 stops14h 25m

Sun 7/36:00 a.m. -

1 stop11h 23m

Deal found 9/9C$ 677

Sat 26/97:35 p.m. -

1 stop8h 30m

Sun 4/106:45 a.m. -

2 stops27h 23m

Deal found 12/9C$ 651

Sun 20/122:30 p.m. -

1 stop21h 20m

Thu 24/124:15 p.m. -

1 stop24h 25m

Deal found 8/9C$ 730

Tue 2/35:45 a.m. -

2 stops14h 25m

Sun 7/37:00 a.m. -

2 stops14h 55m

Deal found 9/9C$ 731

Sat 10/107:00 a.m. -

1 stop7h 30m

Mon 19/106:35 p.m. -

1 stop9h 40m

Deal found 8/9C$ 702

Sun 22/119:40 a.m. -

2 stops10h 50m

Sat 28/117:10 a.m. -

1 stop13h 00m

Deal found 10/9C$ 745

Thu 1/105:07 p.m. -

1 stop14h 33m

Mon 5/106:35 p.m. -

1 stop9h 40m

Deal found 10/9C$ 702

Fri 25/910:59 p.m. -

1 stop11h 37m

Mon 28/97:00 a.m. -

1 stop12h 45m

Deal found 10/9C$ 748

Fri 11/127:30 p.m. -

2 stops14h 58m

Sun 13/127:00 a.m. -

1 stop9h 01m

Deal found 12/9C$ 716

Sat 26/128:00 a.m. -

1 stop12h 58m

Mon 4/112:45 p.m. -

1 stop12h 20m

Deal found 9/9C$ 778

Thu 8/103:30 p.m. -

2 stops12h 35m

Tue 13/108:00 p.m. -

2 stops30h 59m

Deal found 8/9C$ 1,053

Sun 10/12:00 p.m. -

2 stops28h 17m

Tue 12/12:20 p.m. -

2 stops24h 55m

Deal found 9/9C$ 1,000

Sun 17/16:00 a.m. -

2 stops14h 51m

Wed 20/17:00 a.m. -

2 stops15h 52m

Deal found 11/9C$ 1,029

Wed 28/105:10 a.m. -

1 stop9h 00m

Tue 3/115:50 p.m. -

1 stop22h 16m

Deal found 12/9C$ 1,384

Wed 28/105:10 a.m. -

1 stop9h 00m

Mon 2/116:00 p.m. -

1 stop20h 35m

Deal found 12/9C$ 1,400

Wed 28/106:00 a.m. -

2 stops14h 54m

Mon 2/1112:50 p.m. -

2 stops14h 09m

Deal found 12/9C$ 1,161

Wed 28/105:10 a.m. -

1 stop9h 00m

Mon 2/111:10 p.m. -

2 stops10h 48m

Deal found 12/9C$ 1,240

Find flight deals from Washington to Pierre Elliott Trudeau Intl

Round-trip from	C$ 420
One-way from	C$ 166
Popular in	June
Cheapest in	March
Average price	C$ 687

WestJet
20/10-23/10
3 total stops
23h 30m total
Washington to Montreal

Search Deals

WestJet
22/10-31/12
1 total stop
8h 30m total
Washington to Montreal

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 214 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Thu 22/10

10:30 a.m.-12:25 a.m.

2 stops10h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 205

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Wed 23/9

9:46 a.m.-11:44 p.m.

2 stops10h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 234

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Tue 20/10

3:30 p.m.-7:10 a.m.

2 stops12h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 234

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Mon 19/10

11:30 p.m.-10:40 a.m.

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 234

Quickest round-trip

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Tue 20/10

10:58 a.m.-10:06 p.m.

1 stop8h 08m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 234

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Wed 23/9

10:56 a.m.-10:06 p.m.

1 stop8h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 236

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Wed 14/10

10:33 p.m.-1:09 p.m.

1 stop11h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 237

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Fri 16/10

11:30 p.m.-5:30 p.m.

1 stop15h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 237

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Mon 12/10

10:33 p.m.-4:10 p.m.

1 stop14h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 237

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Sun 4/10

8:59 a.m.-11:50 p.m.

1 stop11h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 244

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 46 resultsSorted by cheapest first

...

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.

SEA-YUL

PDX-YUL

PSC-YUL

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

USWA-YUL

SEA-YUL

PDX-YUL

PSC-YUL

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

Currently, October 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$ 752). Flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 1,390). 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 State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

Airfare is below average for this route at the moment.

State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 811 and C$ 1,286 in October.
The cheapest round-trip price found within the last 5 days was C$ 420 on WestJet (20 Oct-22 Oct).

How far ahead should I book a flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

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 8h 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$ 134), Air Canada (C$ 287), and United Airlines (C$ 297).
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, October 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$ 752). Flying from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 1,390). 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.

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

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Cheap flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport from C$ 166

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Pierre Elliott Trudeau Intl

Cheapest flights from Washington to Pierre Elliott Trudeau IntlExplore 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 13 September 2026.

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 13 September 2026.

Best flights from Washington to Pierre Elliott Trudeau IntlDiscover carefully curated flight deals from Washington to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from Washington to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Washington to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Washington to Pierre Elliott Trudeau Intl. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Pierre Elliott Trudeau Intl. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Washington to Pierre Elliott Trudeau IntlSearch for one-way flight options from Washington to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from Washington to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Find flight deals from Washington to Pierre Elliott Trudeau Intl

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Use the filters below to find and compare flights from Washington to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

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.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 811 and C$ 1,286 in October.The cheapest round-trip price found within the last 5 days was C$ 420 on WestJet (20 Oct-22 Oct).

How far ahead should I book a flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

How long is the flight from State of Washington to Montreal Pierre Elliott Trudeau Intl Airport?

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

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

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

How can I 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?

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

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Alternative routes for Washington to Pierre Elliott Trudeau Intl

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Washington and Pierre Elliott Trudeau Intl flights

Browse other Washington and Pierre Elliott Trudeau Intl flight options. Last updated on 13 September 2026.

Other flights to Pierre Elliott Trudeau Intl

Explore flights to Pierre Elliott Trudeau Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2026.

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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 13 September 2026.

Best flights from Washington to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Washington to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Washington to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Washington to Pierre Elliott Trudeau Intl. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Washington to Pierre Elliott Trudeau Intl
Search for one-way flight options from Washington to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

State of Washington to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 811 and C$ 1,286 in October.
The cheapest round-trip price found within the last 5 days was C$ 420 on WestJet (20 Oct-22 Oct).