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Cheap flights from Montreal to Seattle from C$ 241

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 9/1. 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.
5:35 p.m. - 8:57 a.m.YUL-SEA
18h 22m1 stop
7:10 a.m. - 12:30 a.m.SEA-YUL
14h 20m2 stops
C$ 400
Find Deal
Thu, 9 Jan - Tue, 14 Jan
1:30 p.m. - 12:19 a.m.YUL-SEA
13h 49m2 stops
7:10 a.m. - 4:35 p.m.SEA-YUL
30h 25m1 stop
C$ 411
Find Deal
Thu, 9 Jan - Wed, 15 Jan
12:55 p.m. - 11:09 p.m.YUL-SEA
13h 14m2 stops
7:14 a.m. - 10:45 p.m.SEA-YUL
12h 31m2 stops
C$ 547American Airlines
Find Deal
Thu, 23 Jan - Mon, 27 Jan
7:00 a.m. - 1:08 p.m.YUL-SEA
9h 08m1 stop
7:05 a.m. - 12:43 a.m.SEA-YUL
14h 38m1 stop
C$ 614WestJet
Find Deal
Sat, 10 May - Thu, 22 May
7:00 a.m. - 1:08 p.m.YUL-SEA
9h 08m1 stop
2:05 p.m. - 12:43 a.m.SEA-YUL
7h 38m1 stop
C$ 616WestJet
Find Deal
Sun, 11 May - Wed, 21 May
12:55 p.m. - 9:18 p.m.YUL-SEA
11h 23m2 stops
12:45 a.m. - 4:50 p.m.SEA-YUL
13h 05m2 stops
C$ 623American Airlines
Find Deal
Thu, 23 Jan - Sun, 26 Jan
7:30 a.m. - 2:30 p.m.YUL-SEA
10h 00m1 stop
5:45 a.m. - 5:03 p.m.SEA-YUL
8h 18m1 stop
C$ 694Air Canada
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Tue, 4 Feb - Thu, 6 Feb
7:30 a.m. - 2:30 p.m.YUL-SEA
10h 00m1 stop
10:35 a.m. - 8:43 p.m.SEA-YUL
7h 08m1 stop
C$ 696Air Canada
Find Deal
Wed, 15 Jan - Wed, 22 Jan
11:08 a.m. - 9:11 p.m.YUL-SEA
13h 03m2 stops
3:25 p.m. - 10:32 a.m.SEA-YUL
16h 07m2 stops
C$ 724United Airlines
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Fri, 10 Jan - Fri, 17 Jan
1:15 p.m. - 10:00 p.m.YUL-SEA
11h 45m1 stop
7:00 a.m. - 6:47 p.m.SEA-YUL
8h 47m1 stop
C$ 727United Airlines
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Wed, 8 Jan - Tue, 14 Jan
5:35 p.m. - 8:57 a.m.YUL-SEA
18h 22m1 stop
C$ 241
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Thu, 9 Jan
1:30 p.m. - 12:19 a.m.YUL-SEA
13h 49m2 stops
C$ 247
Find Deal
Thu, 9 Jan
7:14 a.m. - 9:18 p.m.YUL-SEA
17h 04m1 stop
C$ 311American Airlines
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Wed, 15 Jan
7:00 a.m. - 1:08 p.m.YUL-SEA
9h 08m1 stop
C$ 319WestJet
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Thu, 12 Jun
4:45 p.m. - 2:21 p.m.YUL-SEA
24h 36m1 stop
C$ 330WestJet
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Mon, 20 Jan
12:55 p.m. - 10:06 p.m.YUL-SEA
12h 11m1 stop
C$ 337American Airlines
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Mon, 17 Mar
7:30 a.m. - 2:30 p.m.YUL-SEA
10h 00m1 stop
C$ 388Air Canada
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Tue, 21 Jan
7:55 a.m. - 9:20 p.m.YUL-SEA
16h 25m3 stops
C$ 434United Airlines
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Tue, 21 Jan
4:45 p.m. - 7:37 p.m.YUL-SEA
5h 52mdirect
C$ 500United Airlines
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Thu, 12 Jun
6:00 a.m. - 11:16 a.m.YUL-SEA
8h 16m1 stop
C$ 520Air Canada
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Thu, 1 May
4:45 p.m. - 2:21 p.m.YUL-SEA
24h 36m1 stop
2:16 p.m. - 4:35 p.m.SEA-YUL
23h 19m1 stop
C$ 927
Find Deal
Mon, 23 Dec - Fri, 3 Jan
6:00 a.m. - 3:58 p.m.YUL-SEA
12h 58m1 stop
11:55 a.m. - 11:43 p.m.SEA-YUL
8h 48m1 stop
C$ 946Delta
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Mon, 23 Dec - Tue, 31 Dec
4:45 p.m. - 2:21 p.m.YUL-SEA
24h 36m1 stop
6:11 a.m. - 4:35 p.m.SEA-YUL
31h 24m2 stops
C$ 953
Find Deal
Mon, 23 Dec - Fri, 3 Jan
6:45 a.m. - 5:00 p.m.YUL-SEA
13h 15m2 stops
9:25 a.m. - 12:40 a.m.SEA-YUL
12h 15m2 stops
C$ 956WestJet
Find Deal
Mon, 23 Dec - Tue, 31 Dec
6:45 a.m. - 5:00 p.m.YUL-SEA
13h 15m2 stops
9:25 a.m. - 12:40 a.m.SEA-YUL
12h 15m2 stops
C$ 957WestJet
Find Deal
Mon, 23 Dec - Wed, 1 Jan
4:45 p.m. - 8:05 a.m.YUL-SEA
18h 20m2 stops
9:25 a.m. - 12:40 a.m.SEA-YUL
12h 15m2 stops
C$ 990WestJet
Find Deal
Sun, 22 Dec - Tue, 31 Dec
7:30 a.m. - 9:54 p.m.YUL-SEA
17h 24m1 stop
10:09 p.m. - 1:35 p.m.SEA-YUL
12h 26m1 stop
C$ 1,275American Airlines
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Sun, 22 Dec - Wed, 1 Jan
2:15 p.m. - 9:20 p.m.YUL-SEA
10h 05m1 stop
5:45 a.m. - 5:03 p.m.SEA-YUL
8h 18m1 stop
C$ 1,327Air Canada
Find Deal
Mon, 23 Dec - Fri, 3 Jan
2:15 p.m. - 9:20 p.m.YUL-SEA
10h 05m1 stop
6:05 a.m. - 6:23 p.m.SEA-YUL
9h 18m1 stop
C$ 1,335Air Canada
Find Deal
Mon, 23 Dec - Sat, 4 Jan
12:55 p.m. - 9:54 p.m.YUL-SEA
11h 59m1 stop
12:31 a.m. - 4:45 p.m.SEA-YUL
13h 14m2 stops
C$ 1,594American Airlines
Find Deal
Fri, 20 Dec - Thu, 26 Dec
4:45 p.m. - 7:37 p.m.YUL-SEA
5h 52mdirect
7:20 a.m. - 3:30 p.m.SEA-YUL
5h 10mdirect
C$ 923Air Canada
Find Deal
Sun, 11 May - Thu, 22 May
4:45 p.m. - 7:37 p.m.YUL-SEA
5h 52mdirect
7:20 a.m. - 3:30 p.m.SEA-YUL
5h 10mdirect
C$ 926
Find Deal
Fri, 16 May - Tue, 20 May
4:45 p.m. - 7:37 p.m.YUL-SEA
5h 52mdirect
7:20 a.m. - 3:30 p.m.SEA-YUL
5h 10mdirect
C$ 931Air Canada
Find Deal
Sat, 3 May - Sun, 11 May

Delta flights from Montreal to Seattle

Our best Delta deals on Montreal to Seattle flight tickets
Delta
9 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
14h 00m
1 stop
SEA6:00 p.m.Seattle/Tacoma Intl
12 Jan
SEA9:25 a.m.Seattle/Tacoma Intl
11h 11m
1 stop
YUL11:36 p.m.Montreal Pierre Elliott Trudeau Intl
Delta
8 Jan
YUL4:50 p.m.Montreal Pierre Elliott Trudeau Intl
8h 35m
1 stop
SEA10:25 p.m.Seattle/Tacoma Intl
15 Jan
SEA6:00 a.m.Seattle/Tacoma Intl
7h 00m
1 stop
YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl
Delta
4 Feb
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
12h 00m
2 stops
SEA3:00 p.m.Seattle/Tacoma Intl
7 Feb
SEA9:25 a.m.Seattle/Tacoma Intl
11h 15m
1 stop
YUL11:40 p.m.Montreal Pierre Elliott Trudeau Intl

WestJet flights from Montreal to Seattle

Our best WestJet deals on Montreal to Seattle flight tickets
WestJet
10 May
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
22 May
SEA7:05 a.m.Seattle/Tacoma Intl
14h 38m
1 stop
YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl
WestJet
11 May
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
21 May
SEA2:05 p.m.Seattle/Tacoma Intl
7h 38m
1 stop
YUL12:43 a.m.Montreal Pierre Elliott Trudeau Intl
WestJet
3 May
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
11 May
SEA7:05 a.m.Seattle/Tacoma Intl
14h 38m
1 stop
YUL12:43 a.m.Montreal 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?

If you aren’t able to travel to Seattle during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 698.

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

Our data shows that Tuesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 691. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 876. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Montreal to Seattle during this time can be as low as C$ 579. Flights at noon are often more expensive with an average ticket price of C$ 781.

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?

We recommend purchasing flights from Montreal to Seattle 37 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Seattle for C$ 746. However, in the past 72 hours, people saw flights from Montreal for as low as C$ 532.

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

There are 2 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

C$ 241

Fastest flight time

5h 52m

Direct flights

Mon, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Montreal in the past 72 hours is C$ 241. The best round-trip flight deal from Montreal to Seattle found on momondo in the last 72 hours is C$ 400.
The fastest flight from Montreal to Seattle takes 5h 52m
Direct flights go from Montreal to Seattle on Monday, Friday, Saturday and Sunday. 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?

    The straight-line distance from Montreal to Seattle/Tacoma Intl is 3672.5 km. In terms of flight time, this usually takes a little over 5h 52m.

  • 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 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 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 C$ 405Free CancellationRating
7.2
2,818 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 553Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 588Free CancellationRating
7.4
9,059 reviews
Search United Airlines flights
DeltaPriceFrom C$ 639Free CancellationRating
8.0
8,604 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montreal to Seattle . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Montreal to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Montreal.

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

Yes. momondo can track prices for Montreal to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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