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Cheap flights from Montreal to Seattle from $173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Seattle departing on 1/9. 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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Find the cheapest flights from Montreal to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Montreal to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Montreal to Seattle.

Cheap last minute flights

Planning a quick getaway from Montreal to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Montreal to Seattle

Find recent round-trip train or bus tickets from Montreal to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
2:35 pm - 12:37 pmYUL-SEA
25h 02m2 stops
3:15 pm - 1:29 pmSEA-YUL
19h 14m1 stop
Fri, Jan 17 - Fri, Jan 24
6:45 am - 12:19 amYUL-SEA
20h 34m2 stops
7:10 am - 4:35 pmSEA-YUL
30h 25m1 stop
Wed, Jan 15 - Wed, Jan 22
7:00 am - 6:00 pmYUL-SEA
14h 00m1 stop
9:25 am - 11:36 pmSEA-YUL
11h 11m1 stop
$369Delta
Find Deal
Thu, Jan 9 - Sun, Jan 12
7:05 am - 2:24 pmYUL-SEA
10h 19m1 stop
11:05 pm - 11:58 amSEA-YUL
9h 53m1 stop
$371Delta
Find Deal
Tue, Jan 14 - Sun, Jan 19
2:20 pm - 9:18 pmYUL-SEA
9h 58m1 stop
10:18 pm - 1:35 pmSEA-YUL
12h 17m1 stop
$380American Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
2:20 pm - 9:18 pmYUL-SEA
9h 58m1 stop
10:18 pm - 1:35 pmSEA-YUL
12h 17m1 stop
$432American Airlines
Find Deal
Wed, Feb 5 - Sat, Feb 8
7:00 am - 1:08 pmYUL-SEA
9h 08m1 stop
7:05 am - 12:43 amSEA-YUL
14h 38m1 stop
$458WestJet
Find Deal
Tue, May 20 - Sat, May 31
4:45 pm - 2:21 pmYUL-SEA
24h 36m1 stop
3:15 pm - 3:36 pmSEA-YUL
21h 21m1 stop
$461WestJet
Find Deal
Wed, Mar 12 - Tue, Mar 18
7:30 am - 2:30 pmYUL-SEA
10h 00m1 stop
5:45 am - 5:03 pmSEA-YUL
8h 18m1 stop
$486Air Canada
Find Deal
Tue, Feb 4 - Thu, Feb 6
7:30 am - 2:30 pmYUL-SEA
10h 00m1 stop
10:35 am - 8:43 pmSEA-YUL
7h 08m1 stop
$487Air Canada
Find Deal
Wed, Jan 15 - Wed, Jan 22
1:30 pm - 12:19 amYUL-SEA
13h 49m2 stops
Thu, Jan 9
6:45 am - 12:19 amYUL-SEA
20h 34m3 stops
Thu, Jan 9
7:00 am - 6:00 pmYUL-SEA
14h 00m1 stop
$214Delta
Find Deal
Tue, Jan 14
7:00 am - 1:08 pmYUL-SEA
9h 08m1 stop
$223WestJet
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Thu, Jun 12
4:45 pm - 2:21 pmYUL-SEA
24h 36m1 stop
$231WestJet
Find Deal
Mon, Jan 20
12:55 pm - 10:06 pmYUL-SEA
12h 11m1 stop
$236American Airlines
Find Deal
Mon, Mar 17
7:30 am - 2:30 pmYUL-SEA
10h 00m1 stop
$272Air Canada
Find Deal
Tue, Jan 21
7:00 am - 6:27 pmYUL-SEA
14h 27m1 stop
$278Delta
Find Deal
Sun, Jan 19
6:00 am - 11:16 amYUL-SEA
8h 16m1 stop
$364Air Canada
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Thu, May 1
7:13 am - 9:01 pmYUL-SEA
16h 48m1 stop
$651American Airlines
Find Deal
Wed, Jan 1
4:45 pm - 2:21 pmYUL-SEA
24h 36m1 stop
2:16 pm - 4:35 pmSEA-YUL
23h 19m1 stop
Mon, Dec 23 - Fri, Jan 3
6:00 am - 3:58 pmYUL-SEA
12h 58m1 stop
11:55 am - 11:43 pmSEA-YUL
8h 48m1 stop
$662Delta
Find Deal
Mon, Dec 23 - Tue, Dec 31
4:45 pm - 2:21 pmYUL-SEA
24h 36m1 stop
6:11 am - 4:35 pmSEA-YUL
31h 24m2 stops
Mon, Dec 23 - Fri, Jan 3
6:45 am - 5:00 pmYUL-SEA
13h 15m2 stops
9:25 am - 12:40 amSEA-YUL
12h 15m2 stops
$669WestJet
Find Deal
Mon, Dec 23 - Tue, Dec 31
6:45 am - 5:00 pmYUL-SEA
13h 15m2 stops
9:25 am - 12:40 amSEA-YUL
12h 15m2 stops
$670WestJet
Find Deal
Mon, Dec 23 - Wed, Jan 1
4:45 pm - 8:05 amYUL-SEA
18h 20m2 stops
9:25 am - 12:40 amSEA-YUL
12h 15m2 stops
$693WestJet
Find Deal
Sun, Dec 22 - Tue, Dec 31
7:30 am - 9:54 pmYUL-SEA
17h 24m1 stop
10:09 pm - 1:35 pmSEA-YUL
12h 26m1 stop
$893American Airlines
Find Deal
Sun, Dec 22 - Wed, Jan 1
2:15 pm - 9:20 pmYUL-SEA
10h 05m1 stop
5:45 am - 5:03 pmSEA-YUL
8h 18m1 stop
$929Air Canada
Find Deal
Mon, Dec 23 - Fri, Jan 3
2:15 pm - 9:20 pmYUL-SEA
10h 05m1 stop
6:05 am - 6:23 pmSEA-YUL
9h 18m1 stop
$935Air Canada
Find Deal
Mon, Dec 23 - Sat, Jan 4
12:55 pm - 9:54 pmYUL-SEA
11h 59m1 stop
12:31 am - 4:45 pmSEA-YUL
13h 14m2 stops
$1,116American Airlines
Find Deal
Fri, Dec 20 - Thu, Dec 26
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
7:20 am - 3:30 pmSEA-YUL
5h 10mnonstop
$646Air Canada
Find Deal
Sun, May 11 - Wed, May 21
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
7:20 am - 3:30 pmSEA-YUL
5h 10mnonstop
Fri, May 16 - Tue, May 20

WestJet flights from Montreal to Seattle

Our best WestJet deals on Montreal to Seattle flight tickets
WestJet
May 20
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SEA1:08 pmSeattle/Tacoma Intl
May 31
SEA7:05 amSeattle/Tacoma Intl
14h 38m
1 stop
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
WestJet
Mar 12
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
24h 36m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Mar 18
SEA3:15 pmSeattle/Tacoma Intl
21h 21m
1 stop
YUL3:36 pmMontreal Pierre Elliott Trudeau Intl
WestJet
May 15
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
16h 28m
1 stop
SEA8:28 pmSeattle/Tacoma Intl
May 21
SEA2:05 pmSeattle/Tacoma Intl
7h 38m
1 stop
YUL12:43 amMontreal Pierre Elliott Trudeau Intl

United Airlines flights from Montreal to Seattle

Our best United Airlines deals on Montreal to Seattle flight tickets
United Airlines
Jan 8
YUL1:15 pmMontreal Pierre Elliott Trudeau Intl
11h 45m
1 stop
SEA10:00 pmSeattle/Tacoma Intl
Jan 14
SEA7:00 amSeattle/Tacoma Intl
8h 47m
1 stop
YUL6:47 pmMontreal Pierre Elliott Trudeau Intl
United Airlines
Mar 1
YUL9:15 amMontreal Pierre Elliott Trudeau Intl
14h 50m
2 stops
SEA9:05 pmSeattle/Tacoma Intl
Mar 10
SEA3:01 pmSeattle/Tacoma Intl
14h 31m
2 stops
YUL8:32 amMontreal Pierre Elliott Trudeau Intl
United Airlines
May 16
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
5h 52m
SEA7:37 pmSeattle/Tacoma Intl
May 20
SEA6:15 amSeattle/Tacoma Intl
21h 41m
1 stop
YUL6:56 amMontreal Pierre Elliott Trudeau Intl

See travel insights to Seattle from

How to get the cheapest flight ticket from Montreal to Seattle

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 Montreal and Seattle?

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Montreal to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $484. If you don’t want to visit Seattle in February, then you should wait until January to fly from Montreal, when ticket prices are also cheap, with an average price of $489.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Montreal is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $494. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $609.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Montreal at noon is the least expensive time of day to depart. momondo users have found prices as low as $498 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $548. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Montreal to Seattle/Tacoma Intl flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl for the best Montreal - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Montreal when booking 37 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $522 when searching 37 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $261 in the past 72 hours.

What cabin class options are available on Montreal to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Montreal to Seattle/Tacoma 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 Montreal to Seattle flights?

You could potentially save up to 50% on your flight if you consider stops on a Montreal to Seattle flight.

How have Montreal to Seattle flight prices changed over time?

As of December 2024, prices for Montreal to Seattle flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Montreal to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Seattle (YMQ to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Seattle

Best Price Found

$173

Fastest flight time

5h 52m

Direct flights

Mon, Fri and Sat

Airports in Seattle

1 airport
The best one-way flight to Seattle from Montreal in the past 72 hours is $173. The best round-trip flight deal from Montreal to Seattle found on momondo in the last 72 hours is $317.
The fastest flight from Montreal to Seattle takes 5h 52m
Direct flights go from Montreal to Seattle on Monday, Friday and Saturday. Airlines offering direct flights are: United Airlines and Air Canada.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Montreal to Seattle/Tacoma Intl by plane?

    Montreal and Seattle/Tacoma Intl are 2282.0 mi apart from one another. Typically, this will take 5h 52m by plane in normal conditions.

  • When did momondo last update prices for flights from Montreal to Seattle/Tacoma Intl Airport?

    Prices for flights from Montreal to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Montreal to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Montreal to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma 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 Seattle/Tacoma 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 Montreal to Seattle?

  • What is the most popular airline from Montreal to Seattle?


Best airlines flying from Montreal to Seattle

Compare and see reviews for airlines that fly from Montreal to Seattle with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $306Free CancellationRating
7.2
2,818 reviews
Search WestJet flights
Air CanadaPriceFrom $415Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
American AirlinesPriceFrom $417Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Montreal.

Can I find flights from Montreal to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Montreal with this policy.

How can momondo help me find flights from Montreal to Seattle?

Once all potential Montreal to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montreal to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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