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Cheap flights from Montreal to Seattle from C$ 258

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 19/2. 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 from Montreal to Seattle

The cheapest plane tickets from Montreal to Seattle found on KAYAK recently.
10:00 a.m. - 12:19 a.m.YUL-SEA
41h 19m2 stops
5:16 p.m. - 4:35 p.m.SEA-YUL
20h 19m1 stop
C$ 471
Find Deal
Mon, 3 Feb - Mon, 10 Feb
6:45 a.m. - 12:25 a.m.YUL-SEA
44h 40m2 stops
3:15 p.m. - 3:36 p.m.SEA-YUL
21h 21m1 stop
C$ 475
Find Deal
Tue, 18 Feb - Tue, 25 Feb
6:45 a.m. - 2:21 p.m.YUL-SEA
34h 36m2 stops
3:15 p.m. - 12:39 a.m.SEA-YUL
30h 24m2 stops
C$ 530WestJet
Find Deal
Tue, 18 Feb - Tue, 25 Feb
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$ 534WestJet
Find Deal
Tue, 29 Apr - Thu, 15 May
12:49 p.m. - 8:24 a.m.YUL-SEA
22h 35m2 stops
9:40 p.m. - 11:52 p.m.SEA-YUL
23h 12m2 stops
C$ 540Delta
Find Deal
Tue, 18 Feb - Thu, 27 Feb
12:48 p.m. - 10:55 p.m.YUL-SEA
13h 07m1 stop
1:30 p.m. - 11:22 p.m.SEA-YUL
6h 52m1 stop
C$ 549Delta
Find Deal
Sat, 1 Feb - Wed, 5 Feb
8:05 a.m. - 9:01 p.m.YUL-SEA
15h 56m1 stop
11:59 p.m. - 1:30 p.m.SEA-YUL
10h 31m1 stop
C$ 727United Airlines
Find Deal
Tue, 18 Mar - Tue, 18 Mar
1:10 p.m. - 11:01 p.m.YUL-SEA
12h 51m2 stops
11:57 p.m. - 1:30 p.m.SEA-YUL
10h 33m1 stop
C$ 734United Airlines
Find Deal
Sat, 15 Mar - Sun, 23 Mar
8:00 a.m. - 2:30 p.m.YUL-SEA
9h 30m1 stop
6:05 a.m. - 5:23 p.m.SEA-YUL
8h 18m1 stop
C$ 736Air Canada
Find Deal
Tue, 11 Mar - Sat, 15 Mar
11:30 a.m. - 9:30 p.m.YUL-SEA
13h 00m2 stops
3:05 p.m. - 7:15 a.m.SEA-YUL
13h 10m2 stops
C$ 766Air Canada
Find Deal
Sun, 2 Mar - Thu, 13 Mar
6:45 a.m. - 9:35 a.m.YUL-SEA
29h 50m2 stops
C$ 258
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Wed, 19 Feb
6:45 a.m. - 11:46 a.m.YUL-SEA
32h 01m2 stops
C$ 261
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Tue, 11 Mar
6:45 a.m. - 2:21 p.m.YUL-SEA
34h 36m2 stops
C$ 282WestJet
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Tue, 18 Feb
4:45 p.m. - 10:00 a.m.YUL-SEA
20h 15m3 stops
C$ 287WestJet
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Wed, 19 Feb
7:05 a.m. - 2:24 p.m.YUL-SEA
10h 19m1 stop
C$ 315Delta
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Wed, 19 Feb
12:49 p.m. - 8:19 a.m.YUL-SEA
22h 30m2 stops
C$ 321Delta
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Fri, 14 Feb
8:05 a.m. - 9:15 p.m.YUL-SEA
16h 10m3 stops
C$ 409United Airlines
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Wed, 19 Feb
8:05 a.m. - 9:15 p.m.YUL-SEA
16h 10m3 stops
C$ 412United Airlines
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Wed, 19 Feb
8:50 a.m. - 9:30 p.m.YUL-SEA
15h 40m2 stops
C$ 451Air Canada
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Thu, 27 Feb
8:50 a.m. - 9:30 p.m.YUL-SEA
15h 40m2 stops
C$ 489Air Canada
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Thu, 27 Feb
6:30 p.m. - 12:19 a.m.YUL-SEA
32h 49m2 stops
5:16 p.m. - 4:35 p.m.SEA-YUL
20h 19m1 stop
C$ 786
Find Deal
Thu, 23 Jan - Mon, 27 Jan
7:00 a.m. - 2:18 p.m.YUL-SEA
10h 18m1 stop
11:05 p.m. - 11:58 a.m.SEA-YUL
9h 53m1 stop
C$ 838Delta
Find Deal
Thu, 23 Jan - Mon, 27 Jan
6:45 a.m. - 5:00 p.m.YUL-SEA
37h 15m3 stops
5:55 p.m. - 2:55 p.m.SEA-YUL
18h 00m3 stops
C$ 891
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Thu, 23 Jan - Mon, 27 Jan
12:55 p.m. - 11:09 p.m.YUL-SEA
13h 14m2 stops
7:11 a.m. - 10:46 p.m.SEA-YUL
12h 35m2 stops
C$ 917American Airlines
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Thu, 23 Jan - Mon, 27 Jan
6:45 a.m. - 4:55 p.m.YUL-SEA
13h 10m2 stops
9:25 a.m. - 12:40 a.m.SEA-YUL
12h 15m2 stops
C$ 965WestJet
Find Deal
Thu, 23 Jan - Mon, 27 Jan
6:45 a.m. - 4:55 p.m.YUL-SEA
13h 10m2 stops
9:45 a.m. - 4:35 p.m.SEA-YUL
27h 50m1 stop
C$ 995
Find Deal
Sat, 25 Jan - Wed, 29 Jan
6:30 p.m. - 2:38 p.m.YUL-SEA
23h 08m2 stops
3:15 p.m. - 5:26 p.m.SEA-YUL
23h 11m2 stops
C$ 996WestJet
Find Deal
Fri, 24 Jan - Sun, 26 Jan
6:45 a.m. - 4:55 p.m.YUL-SEA
13h 10m2 stops
7:28 a.m. - 3:36 p.m.SEA-YUL
29h 08m2 stops
C$ 999WestJet
Find Deal
Sat, 25 Jan - Wed, 29 Jan
2:20 p.m. - 9:18 p.m.YUL-SEA
9h 58m1 stop
7:14 a.m. - 10:46 p.m.SEA-YUL
12h 32m2 stops
C$ 1,073American Airlines
Find Deal
Sat, 25 Jan - Sun, 26 Jan
8:40 a.m. - 8:31 p.m.YUL-SEA
14h 51m2 stops
7:00 a.m. - 8:00 a.m.SEA-YUL
22h 00m3 stops
C$ 1,401United Airlines
Find Deal
Sat, 25 Jan - Wed, 29 Jan
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$ 864Air Canada
Find Deal
Thu, 1 May - Tue, 13 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$ 870Air Canada
Find Deal
Sat, 10 May - Wed, 21 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, 10 May - Wed, 21 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$ 933Air Canada
Find Deal
Sat, 17 May - Tue, 20 May
4:45 p.m. - 7:37 p.m.YUL-SEA
5h 52mdirect
7:20 a.m. - 3:29 p.m.SEA-YUL
5h 09mdirect
C$ 934Air Canada
Find Deal
Sun, 15 Jun - Sat, 21 Jun
4:45 p.m. - 7:41 p.m.YUL-SEA
5h 56mdirect
7:20 a.m. - 3:29 p.m.SEA-YUL
5h 09mdirect
C$ 936United Airlines
Find Deal
Wed, 18 Jun - Tue, 1 Jul
4:45 p.m. - 7:41 p.m.YUL-SEA
5h 56mdirect
7:20 a.m. - 3:29 p.m.SEA-YUL
5h 09mdirect
C$ 983Air Canada
Find Deal
Thu, 26 Jun - Sat, 5 Jul
4:45 p.m. - 7:41 p.m.YUL-SEA
5h 56mdirect
7:20 a.m. - 3:29 p.m.SEA-YUL
5h 09mdirect
C$ 996Air Canada
Find Deal
Fri, 20 Jun - Mon, 30 Jun
4:45 p.m. - 7:41 p.m.YUL-SEA
5h 56mdirect
7:20 a.m. - 3:29 p.m.SEA-YUL
5h 09mdirect
C$ 1,014Air Canada
Find Deal
Mon, 7 Jul - Thu, 17 Jul
4:45 p.m. - 7:41 p.m.YUL-SEA
5h 56mdirect
7:20 a.m. - 3:29 p.m.SEA-YUL
5h 09mdirect
C$ 1,080United Airlines
Find Deal
Sun, 13 Jul - Mon, 28 Jul

Delta flights from Montreal to Seattle

Our best Delta deals on Montreal to Seattle flight tickets
Delta
18 Feb
YUL12:49 p.m.Montreal Pierre Elliott Trudeau Intl
22h 35m
2 stops
SEA8:24 a.m.Seattle/Tacoma Intl
27 Feb
SEA9:40 p.m.Seattle/Tacoma Intl
23h 12m
2 stops
YUL11:52 p.m.Montreal Pierre Elliott Trudeau Intl
Delta
1 Feb
YUL12:48 p.m.Montreal Pierre Elliott Trudeau Intl
13h 07m
1 stop
SEA10:55 p.m.Seattle/Tacoma Intl
5 Feb
SEA1:30 p.m.Seattle/Tacoma Intl
6h 52m
1 stop
YUL11:22 p.m.Montreal Pierre Elliott Trudeau Intl
Delta
18 Feb
YUL4:50 p.m.Montreal Pierre Elliott Trudeau Intl
8h 35m
1 stop
SEA10:25 p.m.Seattle/Tacoma Intl
27 Feb
SEA12:00 p.m.Seattle/Tacoma Intl
8h 40m
1 stop
YUL11:40 p.m.Montreal Pierre Elliott Trudeau Intl

American Airlines flights from Montreal to Seattle

Our best American Airlines deals on Montreal to Seattle flight tickets
American Airlines
27 Jan
YUL10:54 a.m.Montreal Pierre Elliott Trudeau Intl
26h 55m
2 stops
SEA10:49 a.m.Seattle/Tacoma Intl
2 Feb
SEA10:18 p.m.Seattle/Tacoma Intl
21h 27m
1 stop
YUL10:45 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines
1 Feb
YUL7:14 a.m.Montreal Pierre Elliott Trudeau Intl
17h 04m
1 stop
SEA9:18 p.m.Seattle/Tacoma Intl
8 Feb
SEA1:43 p.m.Seattle/Tacoma Intl
20h 52m
1 stop
YUL1:35 p.m.Montreal Pierre Elliott Trudeau Intl
American Airlines
14 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
17h 35m
1 stop
SEA10:05 p.m.Seattle/Tacoma Intl
24 Mar
SEA11:59 p.m.Seattle/Tacoma Intl
12h 26m
2 stops
YUL3:25 p.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 May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of C$ 707.

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$ 696. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 883. 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$ 584. Flights in the afternoon are often more expensive with an average ticket price of C$ 795.

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 5 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 744 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Montreal for as low as C$ 645 on momondo.

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.

How have Montreal to Seattle flight prices changed over time?

As of January 2025, prices for Montreal to Seattle flights are approximately 6% 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$ 258

Fastest flight time

5h 52m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Montreal in the past 72 hours is C$ 258. The best round-trip flight deal from Montreal to Seattle found on momondo in the last 72 hours is C$ 471.
The fastest flight from Montreal to Seattle takes 5h 52m
Direct flights go from Montreal to Seattle every day.
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$ 408Free CancellationRating
7.2
2,829 reviews
Search WestJet flights
DeltaPriceFrom C$ 531Free CancellationRating
8.0
8,521 reviews
Search Delta flights
Air CanadaPriceFrom C$ 588Free CancellationRating
7.0
8,633 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 593Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Marysville
SeaTac
Lynnwood
Tacoma
Olympia
Kent
Kirkland
Tukwila
Ocean Shores
Redmond
Lakewood
Shoreline
Renton
Centralia
Ellensburg
Mukilteo
Cle Elum
Gig Harbor
Poulsbo

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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