CA $294 Cheap Flights from Montreal (YUL) to Seattle (SEA)

Popular airlines from Trudeau International Airport (YUL) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Montreal (YUL) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $294 for one-way flights and CA $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
WestJet
American Airlines
Air Canada
Delta
Air Canada
United
United
Air Canada
United

Find the cheapest month to fly from Montreal (YUL) to Seattle (SEA)

May is typically the cheapest month to fly

From CA $383 - CA $821 per traveller.

Graph displaying average flight prices per month

Flight from Montreal to Seattle (YUL - SEA) route information
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
CA $514
Distance
3643 km
Average flight time
5 hours 56 mins

Montreal to Seattle Flights

The easy way to book your flights from Montreal to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Montreal whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Montreal to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Pierre Elliott Trudeau Intl., YUL to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Montreal to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Montreal currently is just CA $514 rising to CA $541.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Montreal 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from Montreal Airport to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Montréal–Trudeau to Sea-Tac Airport was CA $514. Great fares don't hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Montreal Airport to Sea-Tac Airport?
We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport that have flexible change policies?
Flights from YUL to Seattle - Tacoma Intl. Airport (SEA) with flexible change policies are available from several airlines. Simply use our "No change fees" filter when searching. You'll only need to cover the fare difference, without any additional fees to worry about.
How many hours is the flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport?
It takes an average of 13 hours and 26 minutes to jet from Montréal–Trudeau to Sea-Tac Airport. If you'd like to have a snooze, bring a neck pillow, some earplugs and clothes that'll keep you warm.
How far is the flight from Pierre Elliott Trudeau Intl. Airport (YUL) to SEA?
You'll be cruising at altitude for a while, as the flight distance between Dorval and SeaTac is 3,700 kilometres. Create a playlist of your favourite tunes before you leave home to stay entertained during your flight.
Which airlines fly direct from Montreal Airport to Seattle - Tacoma Intl. Airport (SEA)?
Offering 0 flights monthly, Air Canada (AC) is a popular choice when flying directly from YUL to Sea-Tac Airport.
Are Montreal Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some super cheap airfares from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport arising a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices that far in advance.

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Seattle nearby Airports

Seattle Paine Field Intl. Airport

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