Cheap flights from Seattle to Montreal

Compare Seattle to Montreal flight deals

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

Book the best Montreal fare with no extra fees

Flight deals from Seattle to Montreal

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

Don’t miss a great deal

Stay one step ahead. Find the best value travel with the latest deals, tips and news.

You can unsubscribe at any time. Read our Privacy Policy for more info.

Find the cheapest month to fly from Seattle to Montreal

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

Direct flights from Seattle to Montreal

Alternative Seattle to Montreal routes

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

Seattle to Montreal: Flight information

The things to know before you go.
Cheapest flight foundC$594
Cheapest month to flyJune
Average flight time5 hrs, 12 mins
Most popular airlineAir Canada
Average flights per week12

Finding cheap flights from Seattle 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 round-trip flight from Seattle to Montreal is C$594. 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 12 minutes is the average flight time from Seattle to Montreal.
Air Canada and United fly direct from Seattle to Montreal.
There are 12 flights per week flying from Seattle to Montreal, as of May 2024.
The cheapest month to fly from Seattle to Montreal is usually June.
If you're flying from Seattle, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the center of Montreal. We've found flights to this airport from C$594.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Montreal on Friday, June 7, 2024.
Yes – the average flight time is 5 hours and 12 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 May, the average temperature is usually around 12°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.
The cheapest airline that flies to Montreal is WestJet, and the cheapest airline that flies to Montreal Pierre Elliott Trudeau Airport is Air Canada.

Flying out of Seattle-Tacoma International Airport

Seattle-Tacoma International Airport (SEA) is the largest airport in the Pacific-northwest region. It is located 19 km south of downtown Seattle. You can get to the airport by using light link rail which runs from downtown and some South Seattle neighbourhoods. You can also take a bus, car, or taxi. Long-term parking is available. It is best if you check in two hours before your scheduled departure. Have your passport ready to help the TSA lines move faster.

The Seattle airport has food and beverage services as well as shopping and passenger lounges. The airport offers live music daily at various terminals and gates, as well as a self-guided art walk tour. There are no direct flights from Seattle to Montreal. Most flights have at least one connection in a different hub city. To find the best deals on flights to Montreal from Seattle, use Skyscanner's flight search feature. All you need to do is enter when you want to fly!

Montreal can be very cold in the winter, with a lot of snow. The cold temperatures can cause flight delays so be prepared and pack for the weather. Summer temperatures are not too much different from Seattle's. Montreal is 3 hours ahead of Seattle, so have a plan to deal with some mild jet lag.

Arriving at Montreal Pierre Elliott Trudeau International Airport

Montreal Pierre Elliott Trudeau International Airport (YUL) is located on the Island of Montreal, 20 km from downtown. You will go through customs here, so make sure you have your passport and your E311 customs declaration card, which you will be given on the airplane. The airport has shopping, food, and beverage services available in the public area. You can get to Montreal from the airport by taking the 747 Express local bus which connects to downtown Montreal. The airport is also connected to long-distance rail and regional shuttles. Taxis are also available outside the central exit of the arrivals level. Some hotels have free shuttles from the airport, and car rentals are available at the airport.

Montreal is Quebec's largest city, and a business and tourism hub. Many people here speak French, and Montreal is officially a French-speaking city. Knowing some French words and phrases will be beneficial, but there are still many English-speakers to be found. Montreal is known for it's many arts and culture events, as well as being a beautiful city with many trees. Montreal is a year-round destination, but it is busiest in the summer. Book your hotel near to where you want to be, as Montreal is a very walkable city.


More flight options

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