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

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      Air Canada
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      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 Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from R 5,544. Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International found in the last 4 days, and are subject to change and availability.

      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.

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

      Air Canada
      Sun Country Airlines
      United

      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 foundR 3,250
      Cheapest month to flyJanuary
      Average flight time5 hrs, 45 mins
      Most popular airlineAir Canada
      Average flights per week15

      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 R 5,539. 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 45 minutes is the average flight time from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International.
      Air Canada, United and Sun Country Airlines fly direct from Montreal Pierre Elliott Trudeau to Seattle / Tacoma International.
      As of October 2026, there are 15 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 October.
      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 Friday, 30 October 2026.
      Yes – the average flight time is 5 hours and 45 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, Delta and Air Canada offer the cheapest flight tickets to Seattle / Tacoma International.

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

      • Jump on a direct flight from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport and you'll be in the air for an average of 5 hours 55 minutes.

      • Seattle's timezone is UTC-8, making Seattle three hours behind Montreal.

      • Each week, there are three Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport flights. To be on board as soon as possible, pick the 16:45 Air Canada flight. If you'd rather make the most of your day before flying, the latest flight is at 17:45 with Air Canada.

      • Your YUL to SEA flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • You can expect longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

      • Flying into Seattle (and then exploring more of the United States!) is a breeze with Air Canada. This popular carrier has direct flights from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport.

      • Air Canada is the airline with the highest passenger demand for this route.

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

      • Currently, R 3,250 is the lowest price we've found for a one-way Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport flight. The best price for a return plane ticket is R 5,539. Bear in mind that fares could change due to demand when booking.

      • Get cheap tickets from YUL to SEA by booking one month ahead. According to our research, that's the sweet spot for landing a bargain.

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

      • Stay on top of deals for cheap flights from YUL to SEA by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.

      • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport.

      Handy information about Montreal Pierre Elliott Trudeau Airport (YUL)

      • YUL is located at 975 Romeo Vachon Street North.

      • Of the departures from Montreal Pierre Elliott Trudeau Airport, 67% arrive on time at their destination.

      • To get to Montreal Pierre Elliott Trudeau Airport from central Montreal, it'll take around 25 minutes by car. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.

      • The trip on public transport takes roughly 45 minutes.

      • Taking an early flight from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by picking one of these stays close to YUL:

      Arriving at Seattle / Tacoma International Airport (SEA)

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

      • Seattle / Tacoma International Airport to central Seattle has a drive time of about 25 minutes. It's approximately 23 kilometres away.

      • It typically takes 35 minutes to get there by public transport.

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

      • It's time to plan your trip dates for your flight from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport. July is the busiest month to visit Seattle. If you like a quieter vibe, go in March.

      • Before locking in your flight from Montreal Pierre Elliott Trudeau Airport to Seattle / Tacoma International Airport, think about the type of weather you like. August is the warmest month in Seattle, with the temperature ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • If you like cooler conditions, search for a cheap ticket from YUL to SEA in February. Temperatures average between -1ºC (30ºF) and 11ºC (52ºF) then.

      Explore more of the United States

      • You've seen Seattle, now it's time to discover other corners of the United States. Journey about 241 kilometres south to Portland to tick off its leading attractions. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you've got a jam-packed schedule ahead.

      • If there's time to check out another major stop in the United States, head for Spokane, about 370 kilometres east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are among the biggest draws.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.