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223 € Cheap Flights from Seattle / Tacoma International to Montreal

Compare Seattle / Tacoma International to Montreal flight deals

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

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Flight deals from Seattle / Tacoma International to Montreal

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Montreal? Find the lowest prices on one-way and return tickets right here.
Montreal.223 € per passenger.Departing Tue, 10 Mar, returning Sun, 15 Mar.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Tue, 10 Mar, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 15 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 223 €, select.
Montreal.320 € per passenger.Departing Thu, 23 Oct, returning Mon, 27 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Thu, 23 Oct, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 27 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 320 €, select.
Montreal.339 € per passenger.Departing Tue, 25 Nov, returning Sun, 30 Nov.Return flight with Alaska Airlines and WestJet.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 25 Nov, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Sun, 30 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 339 €, select.
Montreal.349 € per passenger.Departing Wed, 26 Nov, returning Mon, 1 Dec.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Seattle / Tacoma International on Wed, 26 Nov, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Mon, 1 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 349 €, select.
Montreal.396 € per passenger.Departing Tue, 30 Dec, returning Mon, 5 Jan.Return flight with Alaska Airlines and Porter Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 30 Dec, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with Porter Airlines, departs from Montreal Pierre Elliott Trudeau on Mon, 5 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 396 €, select.
Montreal.419 € per passenger.Departing Sat, 11 Oct, returning Mon, 13 Oct.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Seattle / Tacoma International on Sat, 11 Oct, arriving in Montreal Pierre Elliott Trudeau.Inbound direct flight with Air Canada departs from Montreal Pierre Elliott Trudeau on Mon, 13 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 419 €, select.
Montreal.548 € per passenger.Departing Mon, 22 Dec, returning Thu, 25 Dec.Return flight with Hawaiian Airlines and WestJet.Outbound indirect flight with Hawaiian Airlines, departs from Seattle / Tacoma International on Mon, 22 Dec, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Thu, 25 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 548 €, select.
Montreal.574 € per passenger.Departing Sun, 28 Sep, returning Tue, 7 Oct.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sun, 28 Sep, arriving in Montreal Pierre Elliott Trudeau.Inbound indirect flight with WestJet, departs from Montreal Pierre Elliott Trudeau on Tue, 7 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From 574 €, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Montreal flights are currently cheapest in March.
Sep
from 607 €
Oct
from 320 €
Nov
from 339 €
Dec
from 548 €
Jan
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Feb
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Mar
from 223 €
Apr
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May
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Jun
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Jul
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Aug
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Direct flights from Seattle / Tacoma International to Montreal

Alternative Seattle / Tacoma International to Montreal routes

Looking for the cheapest, fastest or easiest route from Seattle / Tacoma International to Montreal? You could fly into the following airports instead.

Seattle to Montreal: Flight information

The things to know before you go.
Cheapest flight found223 €
Cheapest month to flyMarch
Average flight time5 hrs, 11 mins
Most popular airlineAir Canada
Average flights per week28

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

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a return flight from Seattle / Tacoma International to Montreal is 223 €. 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 11 minutes is the average flight time from Seattle / Tacoma International to Montreal.
Air Canada and United fly direct from Seattle / Tacoma International to Montreal.
As of September 2025, there are 14 flights per week flying from Seattle / Tacoma International to Montreal.
The cheapest month to fly from Seattle / Tacoma International to Montreal is usually March.
If you're flying from Seattle / Tacoma International Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the centre of Montreal. We've found flights into this airport from 223 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Montreal on Tuesday, 10 March 2026.
Yes – the average flight time is 5 hours and 11 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 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.
In September, the average temperature is usually around 15°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
Currently, WestJet and Air Canada offer the cheapest flight tickets to Montreal.

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

  • The average time for a direct flight from Seattle-Tacoma International Airport to Montreal is 5 hours 50 minutes.

  • Montreal is three hours ahead of Seattle, where Seattle-Tacoma International Airport is located. Montreal runs on the UTC-4 timezone.

  • Seattle-Tacoma International Airport (SEA) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the most popular route, with three departures a week to pick from. If you have things to finalize before heading off, the last flight from SEA to YUL is with Air Canada at 07:20. Choose the first departure with Air Canada at 07:20 if you want to get on your way earlier.

  • Leave plenty of time to catch your SEA to Montreal flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • If you're jetting off during a bank holiday or another peak period, give yourself extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • Direct Seattle-Tacoma International Airport to Montreal tickets are available for booking. Montreal-Pierre Elliott Trudeau International Airport (YUL) is where you'll complete your journey.

  • Look out for deals with Air Canada. This carrier has direct flights from Seattle-Tacoma International Airport to Montreal.

  • Stopovers are the perfect opportunity to take a break from travelling and possibly even explore a different city. When browsing for plane tickets from SEA to Montreal, deselect the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Minneapolis-St. Paul International Airport (MSP)

    • Vancouver International Airport (YVR)

    • Calgary International Airport (YYC)

  • Located around 18 kilometres from the centre of Seattle, SEA can be reached in about 20 minutes by car, depending on traffic. Travelling on public transport will take roughly 55 minutes.

  • Booked an early flight from Seattle-Tacoma International Airport to Montreal? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to SEA:

  • 81.27% of flights departing from Seattle-Tacoma International Airport reach their destination according to schedule. Given its strong performance rating, you're unlikely to face delays when jetting out of SEA.

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

  • The best price we've found for a one-way Seattle-Tacoma International Airport to Montreal flight is 95 €. The cheapest price for a return flight is 223 €. Bear in mind fares may change due to demand at the time of booking.

  • Book one month before you want to fly. Research on pricing trends suggests this is the ideal window for finding cheap flights from SEA to Montreal.

  • The best month for picking up cheap Seattle-Tacoma International Airport to Montreal tickets is May. Use the 'Whole month' tool to compare prices, then choose the dates that offer the biggest savings.

  • Finding a cheap flight from SEA to Montreal is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll notify you as soon as a new discount appears.

  • Choose your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Seattle-Tacoma International Airport to Montreal by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • The distance from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal is roughly 26 kilometres. It'll take you around 25 minutes to get to the centre driving.

  • It'll take around 45 minutes to get there by public transport.

  • Think about booking a hotel near YUL if you have a late flight from Seattle-Tacoma International Airport to Montreal. Choose one of these options and make arrival day easier:

  • Say yes to new adventures by picking up a Montreal-Pierre Elliott Trudeau International Airport rental car. Grab a set of wheels from Avis, Alamo or Routes Car Rentals and explore beyond Montreal's usual tourist stops.

  • Booking your vehicle from Montreal-Pierre Elliott Trudeau International Airport around four weeks before your flight from SEA to Montreal can help you lock in the lowest rate.

  • YUL is located at 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • St. Hubert Airport (YHU) is about 40 kilometres from central Montreal. Once you've hopped off your flight from Seattle-Tacoma International Airport to Montreal, it'll take you around 35 minutes to reach the heart of the city in a ride-share or cab.

  • You can expect the journey to take about 1 hour 45 minutes on public transport.

  • After stepping off your SEA to Montreal flight, rest your head at a hotel close to YHU. These are some great options that'll help you sink into relaxation mode:

  • Touch down, collect your St. Hubert Airport rental car, and drive off without missing a beat. Enterprise and Budget are well-known companies to choose from here.

  • Usually, the earlier you book, the better the prices and selection of vehicles. Lock in your ride from YHU once you know your travel dates.

Best time to go to Montreal

  • Before booking your flights from Seattle-Tacoma International Airport to Montreal, consider which time of year works best for you. High season in Montreal offers a bustling atmosphere and plenty to do, while the low season brings cheaper hotel rates and fewer crowds.

  • Before booking a Seattle-Tacoma International Airport to Montreal plane ticket, think about what kind of weather you prefer. July is the warmest month in Montreal, with temperatures ranging from 14ºC (57ºF) to 28ºC (82ºF).

  • Search for cheap tickets from SEA to Montreal in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -19ºC (-2ºF) and -2ºC (28ºF) on average.

More about Montreal

  • After booking your flight from Seattle-Tacoma International Airport to Montreal, find a hotel that offers both comfort and a great location. Make one of these accommodation options your base for exploring Montreal:

  • There are so many things to discover in this city it can be tricky to know where to begin. Montreal Botanical Garden, Mount Royal Park and Saint Joseph's Oratory of Mount Royal are major attractions which should feature on any good Montreal itinerary.

Explore more of Canada

  • You've visited Montreal, now it's time to explore other parts of Canada. Travel around 499 kilometres south-west to Toronto to check off its top sights. From CN Tower to Royal Ontario Museum and Go Tours Canada - Distillery District, there's plenty to keep you busy.

  • Ottawa is another well-known destination in Canada and is around 153 kilometres west of Montreal. No journey is complete without a visit to Parliament Hill, Rideau Canal and National Gallery of Canada.

Plan the rest of your trip from Seattle to Montreal

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