$227 Cheap WestJet flights from Montreal to Seattle (YUL to SEA)

Find The Best Day To Fly from Montreal to Seattle

Amazing WestJet YUL to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $372 round trip and $227 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Sep 3 - Sat, Sep 13
YUL
Montreal
SEA
Seattle
$372 Roundtrip, found 4 days ago
$372
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Sep 3 from Montreal to Seattle, returning Sat, Sep 13, priced at $372 found 4 days ago
Fri, Sep 19 - Fri, Sep 26
YUL
Montreal
SEA
Seattle
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select WestJet flight, departing Fri, Sep 19 from Montreal to Seattle, returning Fri, Sep 26, priced at $398 found 2 days ago
Thu, Sep 4 - Mon, Dec 8
YUL
Montreal
SEA
Seattle
$399 Roundtrip, found 4 days ago
$399
Roundtrip
found 4 days ago
Select WestJet flight, departing Thu, Sep 4 from Montreal to Seattle, returning Mon, Dec 8, priced at $399 found 4 days ago
Wed, Sep 10 - Wed, Sep 17
YUL
Montreal
SEA
Seattle
$401 Roundtrip, found 1 day ago
$401
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Sep 10 from Montreal to Seattle, returning Wed, Sep 17, priced at $401 found 1 day ago
Wed, Sep 17 - Mon, Sep 22
YUL
Montreal
SEA
Seattle
$408 Roundtrip, found 4 days ago
$408
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Sep 17 from Montreal to Seattle, returning Mon, Sep 22, priced at $408 found 4 days ago
Wed, Sep 17 - Mon, Sep 22
YUL
Montreal
SEA
Seattle
$411 Roundtrip, found 4 days ago
$411
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Sep 17 from Montreal to Seattle, returning Mon, Sep 22, priced at $411 found 4 days ago

Frequently asked questions

Can I catch a flight from YUL to SEA right now?
For information on any current Sea-Tac Airport travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught up en route.
What terminal is WestJet at Montreal Airport?
As soon as you get your ticket for your WestJet flight from Montreal Airport to Sea-Tac Airport, see if the terminal details are printed on it. If not, contact your air carrier. They'll be able to tell you where you'll be flying in and out of.
Are there WestJet non-stop flights from YUL to SEA?
Be prepared to make a stopover when flying from YUL to Seattle - Tacoma Intl. Airport (SEA), as WestJet doesn't offer nonstop flights between these two locations. While waiting for your connection, you might like to buy a newly published novel or an interesting magazine from the airport bookstore to make the time go faster.
How long is a WestJet flight from YUL to SEA?
Indulge in some in-flight shut-eye and touch down at your destination feeling refreshed and relaxed. You'll have plenty of time to do so when traveling with WestJet between Montréal–Trudeau and Seattle - Tacoma Intl. Airport (SEA), with the flight taking on average 8 hours and 38 minutes.
How many direct and indirect flights does WestJet fly from YUL to SEA?
You'll find there are approximately 3 WestJet flights daily from YUL to SEA.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to SEA, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best WestJet flight from Montreal YUL to Seattle SEA 

To find the best deals on flights to Montreal from Seattle with WestJet, just enter your travel dates, filter by WestJet, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Montreal YUL to Seattle SEA with WestJet 

If you’re planning a round trip, booking return flights with WestJet is usually the most cost-effective option. With airfares ranging from $372 to $411, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way WestJet flights from Montreal YUL to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way WestJet flight from Montreal to Seattle costs from $227. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Montreal YUL with WestJet 

To find a cheap WestJet flight from Montreal YUL to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on WestJet flights from Montreal YUL to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from Montreal YUL to Seattle SEA with WestJet 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct WestJet flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for WestJet flights from Montreal YUL to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Montreal YUL with WestJet on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

WestJet Airports
Hop on a(n) WestJet flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.85
YYCCANCalgary Intl.45
MSPUSAMinneapolis - St. Paul Intl.36
SEAUSASeattle - Tacoma Intl.28
YYZCANPearson Intl.26
DTWUSADetroit Metropolitan Wayne County26
LAXUSALos Angeles Intl.23
YVRCANVancouver Intl.21
SLCUSASalt Lake City Intl.13
YEGCANEdmonton Intl.9

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