Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Toronto (YYZ) has the shortest average layover time for this route: 1h 37m.

Which airlines fly to Seattle?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Seattle from Montreal Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Vancouver (YVR) was the most common stop: 69% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 579.

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 8h 24m.

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl?

WestJet and American Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 246 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 a.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

15h 00m2 stops Toronto Pearson Intl Calgary

7:35 p.m. - 7:05 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 30m1 stop Calgary

C$ 410WestJet

Thu, 15 Oct - Wed, 21 Oct

6:45 a.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

15h 00m2 stops Toronto Pearson Intl Calgary

7:35 p.m. - 7:05 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 30m1 stop Calgary

C$ 414WestJet

Thu, 15 Oct - Fri, 23 Oct

12:44 p.m. - 11:52 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

14h 08m1 stop Atlanta Hartsfield-Jackson

11:45 a.m. - 11:54 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

9h 09m1 stop Atlanta Hartsfield-Jackson

C$ 471Delta

Thu, 15 Oct - Wed, 21 Oct

12:50 p.m. - 10:05 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

12h 15m1 stop Detroit Metropolitan Wayne County

10:35 p.m. - 1:39 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

12h 04m1 stop Atlanta Hartsfield-Jackson

C$ 471Delta

Thu, 15 Oct - Fri, 23 Oct

12:10 p.m. - 8:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

11h 10m1 stop Chicago O'Hare Intl

9:15 a.m. - 9:26 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

9h 11m1 stop Philadelphia

C$ 481American Airlines

Thu, 5 Nov - Sat, 7 Nov

5:34 p.m. - 12:36 a.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

10h 02m1 stop Chicago O'Hare Intl

11:59 p.m. - 11:44 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 45m1 stop Chicago O'Hare Intl

C$ 484American Airlines

Sat, 10 Oct - Sat, 17 Oct

6:00 p.m. - 10:47 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

7h 47m1 stop Vancouver Intl

8:40 a.m. - 8:43 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

9h 03m1 stop Vancouver Intl

C$ 662Air Canada

Wed, 21 Oct - Tue, 27 Oct

6:10 a.m. - 2:17 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

11h 07m2 stops Chicago O'Hare Intl San Francisco

5:05 a.m. - 9:42 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

13h 37m2 stops Denver Intl Newark

C$ 670United Airlines

Wed, 21 Oct - Tue, 27 Oct

9:45 a.m. - 8:37 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

13h 52m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

8:29 p.m. - 8:16 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 47m1 stop San Francisco

C$ 670United Airlines

Sat, 10 Oct - Wed, 14 Oct

3:10 p.m. - 8:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

8h 49m1 stop Toronto Pearson Intl

8:40 a.m. - 8:30 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 50m1 stop Vancouver Intl

C$ 674Air Canada

Sat, 26 Dec - Wed, 30 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 a.m. - 4:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

12h 45m1 stop Minneapolis St Paul

8:25 a.m. - 11:22 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

11h 57m1 stop Minneapolis St Paul

C$ 689Delta

Tue, 29 Sep - Sun, 1 Nov

10:30 a.m. - 7:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

12h 18m2 stops New York LaGuardia Dallas/Fort Worth

9:15 a.m. - 9:26 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

9h 11m1 stop Philadelphia

C$ 730American Airlines

Tue, 29 Sep - Sun, 1 Nov

6:45 a.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

15h 00m2 stops Toronto Pearson Intl Calgary

10:30 a.m. - 12:25 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 55m2 stops Calgary Toronto Pearson Intl

C$ 776WestJet

Fri, 2 Oct - Sun, 11 Oct

9:45 a.m. - 9:15 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

14h 30m2 stops Chicago O'Hare Intl Denver Intl

7:04 p.m. - 1:28 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

15h 24m2 stops Denver Intl Newark

C$ 806United Airlines

Tue, 29 Sep - Sun, 1 Nov

5:30 p.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

28h 15m1 stop Calgary

10:30 a.m. - 12:25 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 55m2 stops Calgary Toronto Pearson Intl

C$ 809WestJet

Fri, 2 Oct - Sun, 11 Oct

7:00 a.m. - 4:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

12h 45m1 stop Minneapolis St Paul

8:59 a.m. - 11:54 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

11h 55m1 stop Atlanta Hartsfield-Jackson

C$ 846Delta

Tue, 29 Sep - Tue, 6 Oct

4:15 p.m. - 10:57 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

9h 42m1 stop Philadelphia

8:24 a.m. - 9:30 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

10h 06m1 stop Philadelphia

C$ 853American Airlines

Fri, 2 Oct - Sun, 11 Oct

6:00 a.m. - 2:49 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

11h 49m1 stop Detroit Metropolitan Wayne County

11:59 p.m. - 11:38 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 39m1 stop Atlanta Hartsfield-Jackson

C$ 895Delta

Tue, 29 Sep - Mon, 5 Oct

9:45 a.m. - 8:37 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

13h 52m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

8:25 a.m. - 7:45 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 20m1 stop Washington, D.C. Dulles Intl

C$ 898United Airlines

Tue, 29 Sep - Tue, 6 Oct

10:30 a.m. - 7:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

12h 18m2 stops New York LaGuardia Dallas/Fort Worth

11:59 p.m. - 3:27 p.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

12h 28m2 stops Chicago O'Hare Intl Philadelphia

C$ 1,025American Airlines

Fri, 2 Oct - Mon, 5 Oct

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WestJet flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flight tickets

WestJet

15 Oct

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

15h 00m

2 stops

SEA6:45 p.m.Seattle/Tacoma Intl

21 Oct

SEA7:35 p.m.Seattle/Tacoma Intl

8h 30m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 410

WestJet

15 Oct

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

15h 00m

2 stops

SEA6:45 p.m.Seattle/Tacoma Intl

23 Oct

SEA7:35 p.m.Seattle/Tacoma Intl

8h 30m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 414

WestJet

16 Oct

YUL8:00 p.m.Montreal Pierre Elliott Trudeau Intl

16h 40m

1 stop

SEA9:40 a.m.Seattle/Tacoma Intl

22 Oct

SEA7:35 p.m.Seattle/Tacoma Intl

8h 30m

1 stop

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 436

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flight tickets

Delta

15 Oct

YUL12:44 p.m.Montreal Pierre Elliott Trudeau Intl

14h 08m

1 stop

SEA11:52 p.m.Seattle/Tacoma Intl

21 Oct

SEA11:45 a.m.Seattle/Tacoma Intl

9h 09m

1 stop

YUL11:54 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 471

Delta

21 Oct

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

8h 00m

1 stop

SEA11:00 a.m.Seattle/Tacoma Intl

27 Oct

SEA11:59 p.m.Seattle/Tacoma Intl

8h 39m

1 stop

YUL11:38 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 478

Delta

14 Nov

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

12h 38m

1 stop

SEA4:38 p.m.Seattle/Tacoma Intl

17 Nov

SEA11:40 p.m.Seattle/Tacoma Intl

8h 57m

1 stop

YUL11:37 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 482

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

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

2 stops15h 00m

Seattle/Tacoma Intl

Wed 21/10

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

1 stop8h 30m

C$ 410

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

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

2 stops15h 00m

Seattle/Tacoma Intl

Fri 23/10

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

1 stop8h 30m

C$ 414

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

12:44 p.m.-11:52 p.m.

1 stop14h 08m

Seattle/Tacoma Intl

Wed 21/10

11:45 a.m.-11:54 p.m.

1 stop9h 09m

C$ 471

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

12:50 p.m.-10:05 p.m.

1 stop12h 15m

Seattle/Tacoma Intl

Fri 23/10

10:35 p.m.-1:39 p.m.

1 stop12h 04m

C$ 471

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

12:10 p.m.-8:20 p.m.

1 stop11h 10m

Seattle/Tacoma Intl

Sat 7/11

9:15 a.m.-9:26 p.m.

1 stop9h 11m

C$ 481

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

5:34 p.m.-12:36 a.m.

1 stop10h 02m

Seattle/Tacoma Intl

Sat 17/10

11:59 p.m.-11:44 a.m.

1 stop8h 45m

C$ 484

Quickest round-trip

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

6:00 p.m.-10:47 p.m.

1 stop7h 47m

Seattle/Tacoma Intl

Tue 27/10

8:40 a.m.-8:43 p.m.

1 stop9h 03m

C$ 662

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

6:10 a.m.-2:17 p.m.

2 stops11h 07m

Seattle/Tacoma Intl

Tue 27/10

5:05 a.m.-9:42 p.m.

2 stops13h 37m

C$ 670

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

9:45 a.m.-8:37 p.m.

2 stops13h 52m

Seattle/Tacoma Intl

Wed 14/10

8:29 p.m.-8:16 a.m.

1 stop8h 47m

C$ 670

MontrealSeattle

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

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 26/12

3:10 p.m.-8:59 p.m.

1 stop8h 49m

Seattle/Tacoma Intl

Wed 30/12

8:40 a.m.-8:30 p.m.

1 stop8h 50m

C$ 674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 549 to C$ 790.
The lowest price recently found on this route was C$ 410.

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 611.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 647. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 1,307. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl for the best Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

You are more likely to see cheaper flights to Seattle from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 702 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Montreal Pierre Elliott Trudeau Intl Airport for as low as C$ 430 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flights?

There is only 1 cabin class available to choose from on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Montreal Pierre Elliott Trudeau Intl Airport to Seattle flight prices changed over time?

As of September 2026, prices for Montreal Pierre Elliott Trudeau Intl Airport to Seattle flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Seattle (YUL to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Best price found	C$ 246
Fastest flight time	8h 09m
Direct flights	None

The best one-way flight to Seattle from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 246. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Seattle found on momondo in the last 72 hours is C$ 410.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle takes 8h 09m

There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Seattle.

Search flight deals

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

How far is Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 3660.5 km away from Montreal Pierre Elliott Trudeau Intl. In terms of flight time, this usually takes a little over 8h 09m.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle/Tacoma Intl Airport?
There are 4 operators available for flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle/Tacoma Intl Airport as of September 2026.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Montreal Pierre Elliott Trudeau Intl Airport to Seattle is Airbus A220-300, representing 100.00% of all bookings.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?
Based on momondo bookings for flights between Montreal Pierre Elliott Trudeau Intl Airport and Seattle, the leading airline is Air Canada, making up 61% of the total bookings. Other popular airlines include WestJet with 24%, United Airlines with 9%, and Delta with 7%.

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom C$ 287	Free Cancellation	Rating 7.8 8,606 reviews	Search Delta flights
WestJet	PriceFrom C$ 418	Free Cancellation	Rating 7.2 3,449 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 508	Free Cancellation	Rating 7.4 10,245 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 512	Free Cancellation	Rating 7.1 11,701 reviews	Search Air Canada flights

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Tukwila

Olympia

Woodinville

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Bainbridge Island

Ellensburg

Edmonds

Chehalis

Fife

Renton

Shoreline

Ocean Shores

Lakewood

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Montreal.

Can I find flights from Montreal to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Montreal with this policy.

How can momondo help me find flights from Montreal to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Montreal.

I’m not ready to book a flight from Montreal to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle from C$ 246

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

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WestJet flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Our best WestJet deals on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flight tickets

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flight tickets

momondo Fare Finder

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

See travel insights to Seattle from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

What is the typical price of a round-trip flight between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl flight route?

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl Airport to Seattle flights?

How have Montreal Pierre Elliott Trudeau Intl Airport to Seattle flight prices changed over time?

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Which airport is the most popular layover for flights between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Which layover airport offers the lowest fares from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Which layover airport has the shortest travel time from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Which layover airport has the shortest connection time from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Seattle (YUL to SEA) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Seattle

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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