Cheap flights from Seattle to Montreal from $197
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Montreal departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Sat 12/5
8:40 am-8:30 pm
1 stop8h 50m
Montreal Pierre Elliott Trudeau Intl
Tue 12/8
7:30 am-2:37 pm
1 stop10h 07m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Sun 12/6
11:39 pm-11:28 am
1 stop8h 49m
Montreal Pierre Elliott Trudeau Intl
Thu 12/10
12:08 pm-8:31 pm
1 stop11h 23m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Thu 12/3
11:39 pm-11:28 am
1 stop8h 49m
Montreal Pierre Elliott Trudeau Intl
Wed 12/9
12:08 pm-8:31 pm
1 stop11h 23m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Mon 12/7
8:40 am-8:30 pm
1 stop8h 50m
Montreal Pierre Elliott Trudeau Intl
Tue 12/8
8:45 am-2:37 pm
1 stop8h 52m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Wed 12/2
8:30 am-11:48 pm
1 stop12h 18m
Montreal Pierre Elliott Trudeau Intl
Sun 12/6
7:10 am-5:10 pm
1 stop13h 00m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Thu 11/5
11:25 am-11:25 pm
1 stop9h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 11/11
12:44 pm-11:57 pm
1 stop14h 13m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Wed 11/11
2:30 pm-2:50 pm
1 stop21h 20m
Montreal Pierre Elliott Trudeau Intl
Fri 11/20
4:15 pm-1:40 pm
1 stop24h 25m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Thu 12/3
2:30 pm-5:35 pm
1 stop24h 05m
Montreal Pierre Elliott Trudeau Intl
Mon 12/7
6:45 am-1:40 pm
2 stops33h 55m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Wed 12/9
2:30 pm-2:50 pm
1 stop21h 20m
Montreal Pierre Elliott Trudeau Intl
Thu 1/7
7:45 pm-9:30 am
2 stops16h 45m
SeattleMontreal
SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl
SEAYUL
Seattle/Tacoma Intl
Mon 11/30
2:30 pm-2:50 pm
1 stop21h 20m
Montreal Pierre Elliott Trudeau Intl
Thu 12/3
5:25 pm-12:58 pm
2 stops22h 33m
See travel insights to Montreal from
How to get the cheapest flight ticket from Seattle to Montreal
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Montreal?
Prices are currently low for flights on this route.
Typical prices usually range from $499 to $741.The lowest price recently found on this route was $420.
What is the cheapest month to fly to Montreal?
The cheapest month to fly to Montreal from Seattle is in March. Flight prices, which tend to average around $467, are often lower during this time because this is during the off-season. If you are unable to visit Montreal during the month of March, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $579.
What is the cheapest day to depart on your flight to Montreal?
The cheapest day to depart from Seattle to Montreal is on a Thursday when prices can be found for as low as $666. Flights from Seattle to Montreal on a Friday will generally be more expensive and average around $840. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest Seattle/Tacoma Intl to Montreal flight route?
Fly from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl for the best Seattle/Tacoma Intl - Montreal flight prices
How far in advance should I book a flight from Seattle to Montreal?
You are more likely to see cheaper flights to Montreal from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal for around $705 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal from Seattle for as low as $274 on momondo.
What cabin class options are available on Seattle to Montreal flights?
There are 3 cabin classes available to choose from on Seattle to Montreal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Montreal flights?
You could potentially save up to 25% on your flight if you consider stops on a Seattle to Montreal flight.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Montreal?
WestJet, American Airlines, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Montreal
What airlines fly to Montreal?
Air Canada, WestJet and Delta are the top three most popular airlines that fly to Montreal from Seattle according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Montreal. Keep in mind that there are 5 different airlines that fly to Montreal on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Seattle and Montreal?
Vancouver (YVR) was the most common stop: 78% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Seattle to Montreal?
Flights via Vancouver (YVR) offer the lowest average round-trip price of $783.
Which layover airport has the shortest travel time from Seattle to Montreal?
Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 34m.
Which layover airport has the shortest connection time from Seattle to Montreal?
Chicago (ORD) has the shortest average layover time for this route: 1h 35m.
When to book flights from Seattle to Montreal
Cheap Seattle to Montreal (SEA to YMQ) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Montreal
Frequently asked questions about flying from Seattle to Montreal
How far is Seattle/Tacoma Intl to Montreal by plane?
The straight-line distance from Seattle/Tacoma Intl to Montreal is 2282.0 mi. Typically, this will take 6h 52m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Montreal?
Prices for flights from Seattle/Tacoma Intl Airport to Montreal are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Montreal?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Montreal is 5 as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Montreal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Montreal.
What documentation or ID do you need to fly to Montreal?
The required travel and health documents for your Montreal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Montreal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seattle to Montreal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Montreal is Airbus A220-300 (16.33% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (14.29%), Boeing 787-10 Dreamliner (12.24%), and Airbus A330-300 (12.24%).
What is the most popular airline from Seattle to Montreal?
Based on momondo bookings for flights between Seattle and Montreal, the leading airline is Air Canada, making up 64% of the total bookings. Other popular airlines include United Airlines with 13%, WestJet with 9%, and Delta with 8%.
Best airlines flying from Seattle to Montreal
Compare and see reviews for airlines that fly from Seattle to Montreal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $151 | Free Cancellation | Rating 7.2 3,449 reviews | |||
| PriceFrom $265 | Free Cancellation | Rating 7.4 10,287 reviews | |||
| PriceFrom $310 | Free Cancellation | Rating 7.8 8,634 reviews | |||
| PriceFrom $389 | Free Cancellation | Rating 7.0 12,129 reviews | |||
| PriceFrom $462 | Free Cancellation | Rating 7.1 11,729 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Montreal?
Finding the right flight to Montreal from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Montreal quick and easy, saving you time and money.
Can I find flights from Seattle to Montreal with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Montreal flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Montreal?
momondo provides multiple filters to help you find the best flight to Montreal from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Montreal right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Montreal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.