Cheap flights from Seattle to Montreal from $148
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 9/15. 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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WestJet flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport
Our best WestJet deals on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
Delta flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport
Our best Delta deals on Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight tickets
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How to get the cheapest flight ticket from Seattle to Montreal Pierre Elliott Trudeau Intl Airport
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 cheapest month to fly to Montreal Pierre Elliott Trudeau Intl Airport?
The month of June is another great option to travel to Montreal Pierre Elliott Trudeau Intl Airport, with average flight prices from Seattle averaging around $448.
What is the cheapest day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?
The cheapest day to depart from Seattle to Montreal Pierre Elliott Trudeau Intl Airport is on a Monday. Travelers who choose to depart for Montreal Pierre Elliott Trudeau Intl Airport on a Monday will often find tickets for as low as $732. Flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport on a Wednesday will generally be more expensive and average around $798. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Montreal Pierre Elliott Trudeau Intl Airport?
In the afternoon is the cheapest time of day to fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport when you can find flight prices for as low as $265. Flying to Montreal Pierre Elliott Trudeau Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $767.
What is the cheapest Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl flight route?
Fly from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl for the best Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl flight prices
How far in advance should I book a flight to Montreal Pierre Elliott Trudeau Intl Airport?
You are more likely to see cheaper flights to Montreal Pierre Elliott Trudeau Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Montreal Pierre Elliott Trudeau Intl Airport for around $556 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montreal Pierre Elliott Trudeau Intl Airport from Seattle for as low as $334 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport flights?
No. A direct flight is the cheapest option for a flight between Seattle to Montreal Pierre Elliott Trudeau Intl Airport.
How have Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight prices changed over time?
As of July 2025, prices for Seattle to Montreal Pierre Elliott Trudeau Intl Airport flights are approximately 10% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl?
WestJet, American Airlines, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl
What airlines fly to Montreal Pierre Elliott Trudeau Intl Airport?
Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport from Seattle according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Montreal Pierre Elliott Trudeau Intl Airport. Keep in mind that there are 5 different airlines that fly to Montreal Pierre Elliott Trudeau Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Montreal Pierre Elliott Trudeau Intl Airport on average per day?
As of July 2025, there are 2 flights per day flying from Seattle to Montreal Pierre Elliott Trudeau Intl Airport. The most common time of day flights depart is 7:00AM, with 100% of flights taking off at noon.
How many flights depart from Seattle to Montreal Pierre Elliott Trudeau Intl Airport on average per week?
As of July 2025, 14 flights take off from Seattle and land in Montreal Pierre Elliott Trudeau Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport
Cheap Seattle to Montreal Pierre Elliott Trudeau Intl Airport (SEA to YUL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport
How far is Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl by plane?
The distance between Seattle/Tacoma Intl and Montreal Pierre Elliott Trudeau Intl is about 2274.5 mi. Typically, this will take 7h 36m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport is 5 as of July 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Pierre Elliott Trudeau Intl Airport.
What documentation or ID do you need to fly to Montreal Pierre Elliott Trudeau Intl Airport?
The travel and health documents you'll need for your trip to Montreal Pierre Elliott Trudeau Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montreal Pierre Elliott Trudeau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Montreal Pierre Elliott Trudeau Intl Airport is Airbus A220-300, representing 70.11% of all bookings. The subsequent popular models are Airbus A330-200 at 5.31%, Airbus A330-900neo at 3.91%, and Boeing 777-300ER at 3.07%.
What is the most popular airline from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?
Based on momondo bookings for flights between Seattle and Montreal Pierre Elliott Trudeau Intl Airport, the leading airline is Air Canada, making up 65% of the total bookings. Other popular airlines include United Airlines with 16%, WestJet with 8%, and Delta with 6%.
Best airlines flying from Seattle to Montreal Pierre Elliott Trudeau Intl Airport
Compare and see reviews for airlines that fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $228 | Free Cancellation | Rating 7.4 8,843 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 7.1 9,685 reviews | |||
| PriceFrom $289 | Free Cancellation | Rating 7.2 2,922 reviews | |||
| PriceFrom $455 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 7.2 10,000 reviews |
United Airlines Flights From Seattle to Montreal Pierre Elliott Trudeau Intl Airport
The lowest priced United Airlines flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport from the last 72 hours was $228. Generally, United Airlines has 7 flights on this route every week with an average price of $616. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Seattle to Montreal Pierre Elliott Trudeau Intl Airport
Another popular option for Seattle to Montreal Pierre Elliott Trudeau Intl Airport flights is Air Canada (7.1/10, 9,691 ratings). Air Canada flies from Seattle to Montreal Pierre Elliott Trudeau Intl Airport around 7 times per week, with deals starting from $267 round-trip and rising to an average price of around $607.
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Why should I use momondo to find a flight deal from Seattle to Montreal?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Montreal for you.
Can I find flights from Seattle to Montreal with flexible booking policies on momondo?
Yes. All flights to Montreal from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
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?
Price alerts on flights to Montreal from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.