Question 1

What are the cheapest airlines flying from Seattle to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

Accepted Answer

Our cheapest airline available from Seattle to Montreal Pierre Elliott Trudeau Intl Airport is WestJet. Our recent data shows that you can find tickets from as low as C$ 525 on this airline. An additional option worth looking into is American Airlines, starting at C$ 630. WestJet is 30% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

What are the cheapest airlines to fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport one-way?

Accepted Answer

One-way options have recently been found by users for as low as C$ 238 on Sun Country Air. Other airlines that offer cheap prices include WestJet from C$ 245 and American Airlines from C$ 275 one-way.

Question 3

How far ahead should I book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

The price you pay for your flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

What is the cheapest month to book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Seattle to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

What is the cheapest day to fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

Travelers seeking maximum savings on their Seattle to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

Accepted Answer

The most flights from SEA to YUL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Question 9

What are the cheapest flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

On average you can expect to pay C$ 560 for a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport. The cheapest flight overall is C$ 145 while the most popular route, (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 536.

Question 10

What is the cheapest day to fly round-trip from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Montreal Pierre Elliott Trudeau Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

Question 11

How far in advance should I book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

Find a great deal and save up to 156% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Montreal Pierre Elliott Trudeau Intl Airport within the next two weeks, with the cheapest ticket starting at C$ 752.

Question 12

What is the cheapest month to fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Accepted Answer

May can be a great time to fly to Montreal Pierre Elliott Trudeau Intl Airport from Seattle with a flight ticket averaging about C$ 826. Cheapflights users have found deals in the month of May for as cheap as C$ 326. The most expensive prices can be found in the month of February.

Question 13

What is the cheapest time of day to fly from SEA to YUL?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

Question 14

What airport do you fly from for flights from Seattle to Montreal Pierre Elliott Trudeau Intl?

Accepted Answer

Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 2 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

Question 15

Can I find deals for flights from Seattle to Pierre Elliott Trudeau Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seattle to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 16

How can I find direct flights from Seattle to Pierre Elliott Trudeau Intl?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Pierre Elliott Trudeau Intl.

Question 17

Can I find deals for business class flights from Seattle to Pierre Elliott Trudeau Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from Seattle to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 18

How does Cheapflights help users find flights from Seattle to Pierre Elliott Trudeau Intl?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Pierre Elliott Trudeau Intl from Seattle today with Cheapflights!

Question 19

Why should you use Cheapflights to find cheap flight tickets from Seattle to Pierre Elliott Trudeau Intl?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Pierre Elliott Trudeau Intl.

Question 20

Can Cheapflights find flights from Seattle to Pierre Elliott Trudeau Intl with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Pierre Elliott Trudeau Intl flexibly with Cheapflights today.

Question 21

Can Cheapflights notify me if prices for flights from Seattle to Pierre Elliott Trudeau Intl become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Seattle to Pierre Elliott Trudeau Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	C$ 525
One-way from	C$ 236
Popular in	April
Cheapest in	May
Average price	C$ 800
Good round-trip deal	C$ 736 or less
Good one-way deal	C$ 323 or less

Cheap flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport from C$ 236

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Montreal Pierre Elliott Trudeau Intl are usually found in May or June, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Friday

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Cheapest flights from Seattle to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Seattle to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Explore the most affordable flight options available from Seattle to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

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Best time to book a flight from Seattle to Pierre Elliott Trudeau Intl

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Everything you need to know about your flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

How far ahead should I book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Pierre Elliott Trudeau Intl. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest time of day to fly from SEA to YUL?

Find hourly flight availability from Seattle to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.

Weekly flight availability from Seattle to Montreal Pierre Elliott Trudeau Intl Airport

How much does it cost to fly round-trip from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport, such as Delta,American Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Seattle to Montreal Pierre Elliott Trudeau Intl?

What are the cheapest airlines flying from Seattle to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

What are the cheapest airlines to fly from Seattle to Montreal Pierre Elliott Trudeau Intl Airport one-way?

What are the cheapest flights from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

Can I find deals for flights from Seattle to Pierre Elliott Trudeau Intl that include hotel bookings?

How can I find direct flights from Seattle to Pierre Elliott Trudeau Intl?

Can I find deals for business class flights from Seattle to Pierre Elliott Trudeau Intl?

What is the cheapest month to book a flight from Seattle to Montreal Pierre Elliott Trudeau Intl Airport?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Pierre Elliott Trudeau Intl?

Can Cheapflights find flights from Seattle to Pierre Elliott Trudeau Intl with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Pierre Elliott Trudeau Intl become cheaper?

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Cheapest flights from Seattle to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Seattle to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.