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Cheap flights from Seattle to Montreal from $232

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:10 am - 11:34 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
10h 24m2 stops Vancouver Intl Calgary
Air Canada Logo
1:05 pm - 9:57 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
11h 52m2 stops Edmonton Vancouver Intl
$500Air Canada
Fri, Dec 4 - Thu, Dec 10
Air Canada Logo
1:45 pm - 11:41 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
6h 56m1 stop Minneapolis St Paul
Air Canada Logo
7:30 am - 2:37 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
10h 07m1 stop Vancouver Intl
$505Air Canada
Fri, Dec 4 - Thu, Dec 10
WestJet Logo
7:35 pm - 7:05 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 30m1 stop Calgary
WestJet Logo
7:15 am - 6:45 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
14h 30m1 stop Calgary
$524WestJet
Sat, May 1 - Tue, May 11
KLM Logo
10:40 pm - 11:36 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
9h 56m1 stop Atlanta Hartsfield-Jackson
KLM Logo
7:10 am - 12:31 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
8h 21m1 stop Minneapolis St Paul
$525KLM
Thu, Dec 3 - Wed, Dec 9
Multiple Airlines Logo
9:34 pm - 7:00 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
30h 26m1 stop Vancouver Intl
Multiple Airlines Logo
8:00 am - 2:39 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
9h 39m1 stop Vancouver Intl
$528Multiple Airlines
Tue, Dec 8 - Sat, Dec 12
WestJet Logo
7:35 pm - 7:05 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 30m1 stop Calgary
WestJet Logo
6:45 am - 6:45 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
15h 00m2 stops Toronto Pearson Intl Calgary
$547WestJet
Sat, May 1 - Tue, May 11
Delta Logo
9:50 am - 11:10 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
10h 20m1 stop Detroit Metropolitan Wayne County
Delta Logo
7:00 am - 4:49 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
12h 49m1 stop Atlanta Hartsfield-Jackson
$548Delta
Fri, Mar 26 - Tue, Mar 30
Delta Logo
9:20 pm - 1:39 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
13h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 2:23 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
11h 23m1 stop Detroit Metropolitan Wayne County
$548Delta
Fri, Mar 26 - Wed, Mar 31
American Airlines Logo
11:29 pm - 11:26 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 57m1 stop Chicago O'Hare Intl
American Airlines Logo
2:23 pm - 10:39 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
11h 16m1 stop Charlotte Douglas
$548American Airlines
Mon, Mar 1 - Thu, Mar 4
American Airlines Logo
11:39 pm - 11:28 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 49m1 stop Chicago O'Hare Intl
American Airlines Logo
4:01 pm - 10:38 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
9h 37m1 stop Philadelphia
$548American Airlines
Sun, Dec 6 - Sat, Dec 12

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Air Canada flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

Our best Air Canada deals on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Air Canada
Dec 4
SEA10:10 amSeattle/Tacoma Intl
10h 24m
2 stops
YUL11:34 pmMontreal Pierre Elliott Trudeau Intl
Dec 10
YUL1:05 pmMontreal Pierre Elliott Trudeau Intl
11h 52m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$500
Air Canada
Dec 4
SEA1:45 pmSeattle/Tacoma Intl
6h 56m
1 stop
YUL11:41 pmMontreal Pierre Elliott Trudeau Intl
Dec 10
YUL7:30 amMontreal Pierre Elliott Trudeau Intl
10h 07m
1 stop
SEA2:37 pmSeattle/Tacoma Intl
$505
Air Canada
Dec 11
SEA3:15 pmSeattle/Tacoma Intl
12h 55m
2 stops
YUL7:10 amMontreal Pierre Elliott Trudeau Intl
Dec 13
YUL1:05 pmMontreal Pierre Elliott Trudeau Intl
11h 52m
2 stops
SEA9:57 pmSeattle/Tacoma Intl
$506

Delta flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

Our best Delta deals on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta
Dec 6
SEA11:50 amSeattle/Tacoma Intl
8h 58m
1 stop
YUL11:48 pmMontreal Pierre Elliott Trudeau Intl
Dec 12
YUL12:50 pmMontreal Pierre Elliott Trudeau Intl
12h 13m
1 stop
SEA10:03 pmSeattle/Tacoma Intl
$548
Delta
Dec 12
SEA10:40 pmSeattle/Tacoma Intl
9h 56m
1 stop
YUL11:36 amMontreal Pierre Elliott Trudeau Intl
Dec 18
YUL7:10 amMontreal Pierre Elliott Trudeau Intl
13h 00m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$549
Delta
Dec 10
SEA5:57 pmSeattle/Tacoma Intl
26h 44m
2 stops
YUL11:41 pmMontreal Pierre Elliott Trudeau Intl
Dec 13
YUL12:50 pmMontreal Pierre Elliott Trudeau Intl
12h 13m
1 stop
SEA10:03 pmSeattle/Tacoma Intl
$556

momondo Fare Finder

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

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Price

Cheapest round-trip

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Fri 12/4

10:10 am-11:34 pm

2 stops10h 24m

Montreal Pierre Elliott Trudeau Intl

Thu 12/10

1:05 pm-9:57 pm

2 stops11h 52m

$500
Quickest round-trip

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Fri 12/4

1:45 pm-11:41 pm

1 stop6h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 12/10

7:30 am-2:37 pm

1 stop10h 07m

$505

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Sat 5/1

7:35 pm-7:05 am

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 5/11

7:15 am-6:45 pm

1 stop14h 30m

$524

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Thu 12/3

10:40 pm-11:36 am

1 stop9h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 12/9

7:10 am-12:31 pm

1 stop8h 21m

$525

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Tue 12/8

9:34 pm-7:00 am

1 stop30h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 12/12

8:00 am-2:39 pm

1 stop9h 39m

$528

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Sat 5/1

7:35 pm-7:05 am

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 5/11

6:45 am-6:45 pm

2 stops15h 00m

$547

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Fri 3/26

9:50 am-11:10 pm

1 stop10h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 3/30

7:00 am-4:49 pm

1 stop12h 49m

$548

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Fri 3/26

9:20 pm-1:39 pm

1 stop13h 19m

Montreal Pierre Elliott Trudeau Intl

Wed 3/31

6:00 am-2:23 pm

1 stop11h 23m

$548

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Mon 3/1

11:29 pm-11:26 am

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Thu 3/4

2:23 pm-10:39 pm

1 stop11h 16m

$548

SeattleMontreal

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

SEAYUL

Seattle/Tacoma Intl

Sun 12/6

11:39 pm-11:28 am

1 stop8h 49m

Montreal Pierre Elliott Trudeau Intl

Sat 12/12

4:01 pm-10:38 pm

1 stop9h 37m

$548

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Montreal from

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

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

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

Prices are currently typical for flights on this route.

Typical prices usually range from $484 to $927.
The lowest price recently found on this route was $500.

What is the cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of August is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Seattle averaging around $597.

What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?

The cheapest day to depart from Seattle to Montreal Pierre Elliott Trudeau Intl Airport is on a Saturday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Saturday will often find tickets for as low as $711. Flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport on a Friday will generally be more expensive and average around $840. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

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

You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $706 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Seattle for as low as $274 on momondo.

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

There are 3 cabin classes available to choose from on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flights?

You could potentially save up to 18% on your flight if you consider stops on a Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight.

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

As of November 2026, prices for Seattle to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 44% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$232

Fastest flight time

6h 52m

Direct flights

None
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Seattle in the past 72 hours is $232. The best round-trip flight deal from Seattle to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $500.
The fastest flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport takes 6h 52m
There are no direct flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport. There are no popular flight routes from Seattle to Montreal Pierre Elliott Trudeau Intl Airport.
Search flight deals

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

  • How far is Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl by plane?

    The distance between Seattle/Tacoma Intl and Montreal Pierre Elliott Trudeau Intl is about 2274.5 mi. Typically, this will take 6h 52m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport.

  • What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?

    The travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

  • What is the most popular airline from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

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

Compare and see reviews for airlines that fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $151Free CancellationRating
7.2
3,441 reviews
Search WestJet flights
DeltaPriceFrom $244Free CancellationRating
7.8
8,694 reviews
Search Delta flights
United AirlinesPriceFrom $265Free CancellationRating
7.3
10,462 reviews
Search United Airlines flights
American AirlinesPriceFrom $389Free CancellationRating
7.0
12,212 reviews
Search American Airlines flights
Air CanadaPriceFrom $462Free CancellationRating
7.1
11,845 reviews
Search Air Canada flights

Traveling to a place near Montreal?

Book flights to Montreal if you plan to visit one of these locations
Laval
Dorval
Brossard
Cornwall
Longueuil
Trois-Rivières
Saint-Sauveur
Sherbrooke
Saint-Jean-sur-Richelieu
Bromont
Drummondville
Montebello
Boucherville
Magog
North Hatley

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Montreal for you.

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

Yes. All flights to Montreal from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Montreal from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Montreal from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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