S$309 Cheap Flights from Seattle to Montreal

View S$309 flight on Fri, 15 Aug, 2025Opens in a new window

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

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Cheap Flights from Seattle to Montreal (SEA-YUL)

Prices were available within the past 7 days and start at S$309 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 Seattle (SEA) to Montreal (YUL)

August is typically the cheapest month to fly

From S$395 - S$698 per traveller.

Graph displaying average flight prices per month

Seattle to Montreal route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Distance
3643 km
Average flight time
5 hours 9 mins

Flights from Seattle to Montreal

There are several airlines that operate frequent flights from Seattle (SEA) to Montreal (YUL) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 00:14 and arrives at Pierre Elliott Trudeau Intl. Airport at 00:04. The last flight of the day departs Seattle at 23:59 and arrives at Montreal at 23:59.

The flight distance from Seattle to Montreal is about 4066 km, the shortest flight is 06 hours 37 minutes with WestJet.

Expedia lets you search across the largest number of airlines and Montreal flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Montreal flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Montreal trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Montreal flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Montreal with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Montreal Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to Montreal Airport start from . Make your booking ASAP to score the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Pierre Elliott Trudeau Intl. Airport (YUL)?
Most flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Montréal--Trudeau 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 SEA to Montreal Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Montréal--Trudeau?
It's around 3,700 kilometres between SEA and Montreal Airport, so expect to be flying for a while. Keep yourself occupied with things like a magazine or a thrilling novel.
Which airlines fly direct from Sea-Tac Airport to Pierre Elliott Trudeau Intl. Airport (YUL)?
A popular option with many travellers, Air Canada (AC) offers 17 flights every month from Seattle - Tacoma Intl. Airport (SEA) to Montréal--Trudeau. Pick the one that fits with your travel schedule and book your seat today.
Are SEA to Montreal Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Seattle - Tacoma Intl. Airport (SEA) to Montréal--Trudeau are available up to 12 months prior to departure on Expedia. And although you may pick up a great last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices --- and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so keep checking in for all the latest specials.

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