S$311 Cheap Flights from Montreal to Seattle

View S$311 flight on Thu, 4 Jun, 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 S$311 for one-way flights and S$515 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$515 Return, found 3 days ago
S$515
Return
found 3 days ago
Select WestJet flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$515 found 3 days ago
Air Canada
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$577 Return, found 3 days ago
S$577
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$577 found 3 days ago
Air Canada
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$588 Return, found 3 days ago
S$588
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$588 found 3 days ago
Air Canada
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$596 Return, found 3 days ago
S$596
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$596 found 3 days ago
Air Canada
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$602 Return, found 3 days ago
S$602
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$602 found 3 days ago
Air Canada
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$607 Return, found 3 days ago
S$607
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$607 found 3 days ago
Air Canada
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$610 Return, found 3 days ago
S$610
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$610 found 3 days ago
American Airlines
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$623 Return, found 3 days ago
S$623
Return
found 3 days ago
Select American Airlines flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$623 found 3 days ago
United
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$682 Return, found 3 days ago
S$682
Return
found 3 days ago
Select United flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$682 found 3 days ago
Delta
Thu, 4 Jun - Thu, 11 Jun
YUL
Montreal
SEA
Seattle
S$885 Return, found 3 days ago
S$885
Return
found 3 days ago
Select Delta flight, departing Thu, 4 Jun from Montreal to Seattle, returning Thu, 11 Jun, priced at S$885 found 3 days ago

Frequently asked questions

How much is a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Seattle - Tacoma Intl. Airport (SEA)?
Start packing your bags, because round-trip flights from Montréal–Trudeau to SEA start from S$515. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to nab 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 Sea-Tac Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Montréal–Trudeau to Sea-Tac Airport 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 Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport?
The flight distance between YUL (YUL) and Sea-Tac Airport (SEA) is 3,700 kilometres. Listen to your favourite tunes or make a start on the latest bestseller and the trip will zip on by.
Which airlines fly direct from YUL to SEA?
Air Canada (AC) will fly you from Montreal Airport to Seattle - Tacoma Intl. Airport (SEA) comfortably and reliably. You can choose from 17 direct flights every month on this route.
Are Montréal–Trudeau to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so it's no sure thing. While last-minute deals between Montréal–Trudeau and Sea-Tac Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some air carriers release their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to grab your seat when the price dips.

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
S$514
Distance
3643 km

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