Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Seattle to Montreal

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Montreal.
1:50 pm - 12:43 amSEA-YUL
7h 53m1 stop
7:00 am - 12:58 pmYUL-SEA
8h 58m1 stop
$269WestJet
Find Deal
Sat, May 31 - Fri, Jun 6
2:05 pm - 12:43 amSEA-YUL
7h 38m1 stop
7:00 am - 12:58 pmYUL-SEA
8h 58m1 stop
$287WestJet
Find Deal
Tue, Apr 29 - Tue, May 6
7:05 am - 12:43 amSEA-YUL
14h 38m1 stop
7:00 am - 12:58 pmYUL-SEA
8h 58m1 stop
$296WestJet
Find Deal
Thu, May 29 - Tue, Jun 3
1:50 pm - 12:43 amSEA-YUL
7h 53m1 stop
5:30 pm - 12:58 pmYUL-SEA
22h 28m1 stop
$301WestJet
Find Deal
Fri, May 30 - Sat, Jun 7
7:05 am - 12:37 amSEA-YUL
14h 32m2 stops
7:00 am - 12:58 pmYUL-SEA
8h 58m1 stop
Tue, May 27 - Thu, May 29
7:05 am - 12:37 amSEA-YUL
14h 32m2 stops
7:00 am - 12:58 pmYUL-SEA
8h 58m1 stop
Thu, May 22 - Thu, May 29
10:59 pm - 3:25 pmSEA-YUL
13h 26m1 stop
3:44 pm - 10:59 pmYUL-SEA
10h 15m1 stop
$510American Airlines
Find Deal
Mon, Apr 21 - Thu, Apr 24
1:35 pm - 11:44 amSEA-YUL
19h 09m1 stop
12:30 pm - 9:14 pmYUL-SEA
11h 44m2 stops
$520American Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
7:20 am - 3:30 pmSEA-YUL
5h 10mnonstop
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
$555Air Canada
Find Deal
Wed, May 14 - Wed, May 21
7:20 am - 3:30 pmSEA-YUL
5h 10mnonstop
8:35 am - 2:13 pmYUL-SEA
8h 38m1 stop
$575Air Canada
Find Deal
Wed, May 14 - Wed, May 21

American Airlines flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

Our best American Airlines deals on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
American Airlines
Apr 21
SEA10:59 pmSeattle/Tacoma Intl
13h 26m
1 stop
YUL3:25 pmMontreal Pierre Elliott Trudeau Intl
Apr 24
YUL3:44 pmMontreal Pierre Elliott Trudeau Intl
10h 15m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
American Airlines
Apr 23
SEA1:35 pmSeattle/Tacoma Intl
19h 09m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
Apr 26
YUL12:30 pmMontreal Pierre Elliott Trudeau Intl
11h 44m
2 stops
SEA9:14 pmSeattle/Tacoma Intl
American Airlines
Apr 23
SEA11:20 amSeattle/Tacoma Intl
19h 30m
2 stops
YUL9:50 amMontreal Pierre Elliott Trudeau Intl
Apr 28
YUL2:30 pmMontreal Pierre Elliott Trudeau Intl
23h 30m
2 stops
SEA11:00 amSeattle/Tacoma Intl

WestJet flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

Our best WestJet deals on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
WestJet
May 31
SEA1:50 pmSeattle/Tacoma Intl
7h 53m
1 stop
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
Jun 6
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
8h 58m
1 stop
SEA12:58 pmSeattle/Tacoma Intl
WestJet
Apr 29
SEA2:05 pmSeattle/Tacoma Intl
7h 38m
1 stop
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
May 6
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
8h 58m
1 stop
SEA12:58 pmSeattle/Tacoma Intl
WestJet
May 29
SEA7:05 amSeattle/Tacoma Intl
14h 38m
1 stop
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
Jun 3
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
8h 58m
1 stop
SEA12:58 pmSeattle/Tacoma Intl

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 cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?

The month of June is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Seattle averaging around $510.

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 Thursday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Thursday will often find tickets for as low as $809. Flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport on a Sunday will generally be more expensive and average around $980. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the afternoon is the cheapest time of day to fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $265. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $918.

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 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 20 weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $568 when searching 20 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 $454 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of March 2025, prices for Seattle to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 53% 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

$146

Fastest flight time

5h 09m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun
The best one-way flight to Montreal Pierre Elliott Trudeau Intl Airport from Seattle in the past 72 hours is $146. The best round-trip flight deal from Seattle to Montreal Pierre Elliott Trudeau Intl Airport found on momondo in the last 72 hours is $269.
The fastest flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport takes 5h 09m
Direct flights go from Seattle to Montreal Pierre Elliott Trudeau Intl Airport on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Lufthansa and Air Canada.

  • 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 5h 10m 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
United AirlinesPriceFrom $240Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
Air CanadaPriceFrom $262Free CancellationRating
7.0
9,004 reviews
Search Air Canada flights
WestJetPriceFrom $312Free CancellationRating
7.2
2,789 reviews
Search WestJet flights
DeltaPriceFrom $455Free CancellationRating
8.0
7,899 reviews
Search Delta flights
American AirlinesPriceFrom $483Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Montreal?

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

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.


An easier way to manage your Montreal Pierre Elliott Trudeau Intl Airport 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.
1 adult
From?
To?
Sat 4/5
Sat 4/12

Find better results for your trip to Montreal

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo