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220 € Cheap Flights from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International

Compare Montreal Pierre Elliott Trudeau to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

Book the best Seattle / Tacoma International fare with no extra fees

Flight deals from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.
Seattle.220 € per passenger.Departing Tue, 28 Apr, returning Tue, 5 May.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Tue, 28 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Tue, 5 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 220 €, select.
Seattle.237 € per passenger.Departing Fri, 16 Jan, returning Thu, 22 Jan.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Fri, 16 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Thu, 22 Jan, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 237 €, select.
Seattle.238 € per passenger.Departing Thu, 16 Apr, returning Sun, 26 Apr.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 16 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Sun, 26 Apr, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 238 €, select.
Seattle.241 € per passenger.Departing Sun, 24 May, returning Mon, 1 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 24 May, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 1 Jun, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 241 €, select.
Seattle.243 € per passenger.Departing Sun, 17 May, returning Mon, 25 May.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 17 May, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Mon, 25 May, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 243 €, select.
Seattle.251 € per passenger.Departing Thu, 29 Jan, returning Wed, 4 Feb.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 29 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with WestJet, departs from Seattle / Tacoma International on Wed, 4 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 251 €, select.
Seattle.254 € per passenger.Departing Tue, 3 Feb, returning Tue, 10 Feb.Return flight with WestJet and Alaska Airlines.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Tue, 3 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 10 Feb, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 254 €, select.
Seattle.257 € per passenger.Departing Tue, 24 Feb, returning Tue, 3 Mar.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Tue, 24 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 3 Mar, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From 257 €, select.

Find the cheapest month to fly from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montreal Pierre Elliott Trudeau to Seattle / Tacoma International flights are currently cheapest in January.
Jan
from 237 €
Feb
from 254 €
Mar
from 266 €
Apr
from 238 €
May
from 243 €
Jun
from 257 €
Jul
from 373 €
Aug
from 373 €
Sep
from 347 €
Oct
from 347 €
Nov
from 368 €
Dec
from 404 €

Direct flights from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International

Montreal Pierre Elliott Trudeau to Seattle / Tacoma International: Alternative routes

Compare routes from Montreal Pierre Elliott Trudeau to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Montreal to Seattle: Flight information

The things to know before you go.
Cheapest flight found220 €
Cheapest month to flyApril
Average flight time5 hrs, 55 mins
Most popular airlineAir Canada
Average flights per week14

Finding cheap flights from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International is 220 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 55 minutes is the average flight time from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International.
Air Canada and United fly direct from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International.
As of January 2026, there are 14 flights per week flying from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International.
The cheapest month to fly from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport on Tuesday, 28 April 2026.
Yes – the average flight time is 5 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, WestJet and Air Canada offer the cheapest flight tickets to Seattle / Tacoma International.

Flying from Montreal-Pierre Elliott Trudeau International Airport (YUL) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Jump on a direct flight from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport and you'll be in the air for an average of 5 hours 50 minutes.

  • Seattle's timezone is UTC-7, making Seattle three hours behind Montreal.

  • Take your pick of eight weekly Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport flights. The 18:15 departure with Air Canada is the earliest available. Air Canada operates the latest service of the day at 18:30.

  • To ensure you get on your YUL to SEA flight, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • You can expect bigger queues in popular months such as August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a smart move.

  • Air Canada is your ticket to exploring Seattle (and perhaps some other exciting parts of United States!). Check out the direct flights from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport offered by this carrier.

  • Most passengers choose to fly with Air Canada on this route.

How to find the cheapest flights from Montreal-Pierre Elliott Trudeau International Airport (YUL) to Seattle-Tacoma International Airport (SEA)

  • 116 € is currently the best price for a one-way Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport flight. Return flights start from 220 €. These prices may change based on availability and demand.

  • To secure cheap tickets from YUL to SEA, reserve your journey seven months ahead of your departure.

  • The cheapest month for flights from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport is June. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • Cut down on the time spent looking for cheap flights from YUL to SEA by setting up a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.

  • Find the right flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • The address for YUL is 975 Romeo Vachon Street North.

  • When it comes to the on-time performance of Montreal-Pierre Elliott Trudeau International Airport, 64.89% of flights complete their journey on time.

  • To get to Montreal-Pierre Elliott Trudeau International Airport from central Montreal, it takes about 25 minutes if you're going by car. Of course, this depends on traffic. It's approximately 26 kilometres from the airport to the city centre.

  • The journey on public transport will take about 2 hours 15 minutes.

  • Need a convenient hotel close to YUL? If you're boarding an early flight from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 20 minutes to reach the centre driving.

  • If you're using public transport, expect a journey time of around 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • It's time to choose your trip dates for your flight from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport. July is the most popular month to head to Seattle. If you're after a more laid-back vibe, go in May.

  • When reserving your flight from Montreal-Pierre Elliott Trudeau International Airport to Seattle-Tacoma International Airport, consider the kind of weather you like. August is the warmest month in Seattle, with the temperature ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • Search for cheap tickets from YUL to SEA in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

Explore more of United States

  • Portland is just one of the many places in United States waiting to be discovered once you've seen the sights of Seattle. Around 241 kilometres away to the south, popular attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in United States. Experience this destination's highlights firsthand at Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.