Question 1

How much is a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Seattle - Tacoma Intl. Airport (SEA)?

Accepted Answer

Start packing your bags, because round-trip flights from Montréal–Trudeau to SEA start from . 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.

Question 2

Do I need to pay a cancellation fee if I cancel my flight from Montréal–Trudeau to Sea-Tac Airport?

Accepted Answer

Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.

Question 3

How do I find cheap flights from Montréal–Trudeau to Sea-Tac Airport that have flexible change policies?

Accepted Answer

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.

Question 4

How far is the flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Sea-Tac Airport?

Accepted Answer

The flight distance between YUL (YUL) and Sea-Tac Airport (SEA) is 3,700 kilometers. Listen to your favorite tunes or make a start on the latest bestseller and the trip will zip on by.

Question 5

Which airlines fly direct from YUL to SEA?

Accepted Answer

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.

Question 6

Are Montréal–Trudeau to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?

Accepted Answer

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.

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

Members save 10% or more on over 100,000 hotels worldwide when you’re signed in

Cheap Flights from Montreal (YUL) to Seattle (SEA) from HK$1,898~

Travellers

Find Cheap Flights from Montreal (YUL) to Seattle (SEA)

Travel information

Book with confidence

Flights from Montreal to Seattle

Frequently asked questions

Frequently asked questions

Explore a world of travel with Expedia

Top Routes from Montreal

Top Routes to Seattle

Top Flight Destinations

Other Carriers