￥27,823 Cheap Flights from Montreal (YUL) to Seattle (SEA)

View ￥27,823 flight on Sat, May 2, 2026Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Montreal to Seattle (YUL-SEA)

Prices were available within the past 7 days and start at ￥27,823 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

May is typically the cheapest month to fly

From ￥38,411 - ￥87,638 per traveler.

Frequently asked questions

How much is a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport?
Start packing your suitcase, because round-trip flights between YUL and Seattle - Tacoma Intl. Airport (SEA) start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Montréal–Trudeau to Seattle - Tacoma Intl. Airport (SEA)?
The majority of flights can be canceled online, but every airline has its own set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Montréal–Trudeau to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Pierre Elliott Trudeau Intl. Airport (YUL) to SEA flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Montreal Airport to SEA?
To comfortably pass the 11 hours and 57 minutes flight time between Montreal Airport and Sea-Tac Airport, it's smart to come prepared. A smartphone loaded up with your favorite movies is an excellent start.
How far is the flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport?
Expect to be up above the clouds for a while, as the flight distance from YUL to Sea-Tac Airport is 3,700 kilometers. Create a playlist of your favorite podcasts before leaving home to keep yourself entertained during your flight.
Which airlines fly direct from YUL to Sea-Tac Airport?
Air Canada (AC) will get you from Montreal Airport to Sea-Tac Airport safely and comfortably. Take your pick of 30 direct flights every month along this route.
Are Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some of the cheapest fares from Montreal Airport to Sea-Tac Airport showing up a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline releases prices that far in advance.

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3643 km

Book with confidence

Montreal to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Montreal to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with YUL to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Montreal for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Montreal to Seattle Flights
*Available to Expedia members.