Cheap Flights from Seattle to Montreal Pierre Elliott Trudeau

Compare Seattle to Montreal Pierre Elliott Trudeau flight deals

Find the cheapest month or even day of the year to fly to Montreal Pierre Elliott Trudeau

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Flight deals from Seattle to Montreal Pierre Elliott Trudeau

Looking for a cheap last-minute deal or the best return flight from Seattle to Montreal Pierre Elliott Trudeau? Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Montreal Pierre Elliott Trudeau flights are currently cheapest in May.

Direct flights from Seattle to Montreal Pierre Elliott Trudeau

Seattle to Montreal Pierre Elliott Trudeau: Alternative routes

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

Seattle to Montreal: Flight information

The things to know before you go.
Cheapest flight foundR 1,709
Cheapest month to flyMay
Average flight time5 hrs, 15 mins
Most popular airlineAir Canada
Average flights per week14

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

The best price we found for a return flight from Seattle to Montreal Pierre Elliott Trudeau is R 5,069. 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 15 minutes is the average flight time from Seattle to Montreal Pierre Elliott Trudeau.
Air Canada and United fly direct from Seattle to Montreal Pierre Elliott Trudeau.
As of February 2026, there are 14 flights per week flying from Seattle to Montreal Pierre Elliott Trudeau.
The cheapest month to fly from Seattle to Montreal Pierre Elliott Trudeau is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Montreal Pierre Elliott Trudeau Airport on Monday, 23 March 2026.
Yes – the average flight time is 5 hours and 15 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 Montreal Pierre Elliott Trudeau 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 Montreal is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Seattle to Montreal-Pierre Elliott Trudeau International Airport (YUL): What you need to know

  • There are a couple of main airports you can take off from in Seattle. Check out your options departing from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base Airport (LKE) when planning your flight from Seattle to Montreal-Pierre Elliott Trudeau International Airport (YUL).

  • Expect to be in the air for 5 hours 10 minutes. On average, that's the duration of a direct Seattle to Montreal-Pierre Elliott Trudeau International Airport flight.

  • Montreal is three hours ahead of Seattle. Montreal-Pierre Elliott Trudeau International Airport is located in Montreal, which is in the UTC-4 timezone.

  • Seattle-Tacoma International Airport (SEA) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the most popular route, with 3 direct services every week. You can get from SEA to YUL on Air Canada's 7:20am departure.

  • Give yourself enough time to catch your flight from Seattle to YUL. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During high season, allow for longer queues and arrive earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) offers an easy route to your destination. Nonstop flights from Seattle to Montreal-Pierre Elliott Trudeau International Airport (YUL) take off from this terminal.

  • When leaving from SEA, you can take a direct flight from Seattle to Montreal-Pierre Elliott Trudeau International Airport with Air Canada.

  • The majority of passengers prefer to fly with Air Canada between SEA and YUL.

  • Stopovers are the perfect opportunity to take a break from travelling and maybe even visit a new city. When searching for cheap flights from Seattle to YUL leaving from Seattle-Tacoma International Airport (SEA), deselect the 'Direct flights only' box to find all potential stops. Here's where you could connect through:

    • Minneapolis-St. Paul International Airport (MSP)

    • Vancouver International Airport (YVR)

    • Calgary International Airport (YYC)

  • SEA is around 23 kilometres from central Seattle. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 55 minutes.

  • Want an easy start to your holiday? Stay near Seattle-Tacoma International Airport. Whether you have an early flight from Seattle to Montreal-Pierre Elliott Trudeau International Airport or just don't want to be rushed, these hotels have you covered:

  • Seattle-Tacoma International Airport has an excellent on-time record, reducing the likelihood of delays. Departures from SEA touch down on schedule 81.27% of the time.

Lake Union Sea Plane Base Airport (LKE)

About Montreal-Pierre Elliott Trudeau International Airport (YUL)

Getting from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal

  • Montreal-Pierre Elliott Trudeau International Airport is around 16 kilometres from central Montreal. The time it takes to get to the centre in a car hire or cab depends on the time of day. Do a little research before you go.

  • Travelling by public transport typically takes 45 minutes.

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

  • R 1,709 is currently the best price for a one-way ticket from Seattle to Montreal-Pierre Elliott Trudeau International Airport. A return flight starts at R 5,069. These fares can change depending on availability.

  • Booking ahead of time is often the key to finding a cheap flight from Seattle to YUL. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest Seattle to Montreal-Pierre Elliott Trudeau International Airport tickets throughout the month. It's a great way to find a bargain if your plans aren't set in stone.

  • Save time searching for cheap plane tickets from Seattle to YUL by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Filters make it easier to land a deal on your flight from Seattle to Montreal-Pierre Elliott Trudeau International Airport. Choose the departure times, carriers and stops that make sense for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Seattle to Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • February is the quietest month for flights from Seattle to Montreal-Pierre Elliott Trudeau International Airport (YUL), while August is the most popular. Choose the best time to visit Montreal based on whether you want a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Montreal is July, with temperatures ranging between 14ºC (57ºF) and 28ºC (82ºF). Book your Seattle to YUL plane ticket then if that's your definition of good weather.

  • January sees temperatures of between -19ºC (-2ºF) and -2ºC (28ºF). Search for cheap tickets from Seattle to Montreal-Pierre Elliott Trudeau International Airport around that time if you like travelling in cooler conditions.

More about Montreal

  • Once you've booked your flight from Seattle to Montreal-Pierre Elliott Trudeau International Airport, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Montreal:

  • Your trip to Montreal should come with a bit of sightseeing. Leading attractions that should be on your list include Cirque du Soleil - KURIOS, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

Explore more of Canada

  • Ottawa is just one of the many places in Canada waiting to be discovered after you've experienced Montreal. Around 153 kilometres away to the west, check out popular attractions including Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa.

  • Around 153 kilometres west of Montreal, Gatineau is another essential stop in Canada. Experience major highlights starting with Canadian Museum of History, Indigenous Experiences and Luskville Falls.

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