Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Montreal to Seattle from $180

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 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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 am - 2:21 pmYUL-SEA
31h 21m2 stops
3:15 pm - 1:29 pmSEA-YUL
19h 14m1 stop
Wed, Feb 19 - Wed, Feb 26
4:45 pm - 2:21 pmYUL-SEA
24h 36m1 stop
3:15 pm - 1:29 pmSEA-YUL
19h 14m1 stop
Wed, Feb 19 - Wed, Feb 26
12:49 pm - 11:00 pmYUL-SEA
13h 11m1 stop
6:00 am - 3:57 pmSEA-YUL
6h 57m1 stop
$377Delta
Find Deal
Sat, Feb 15 - Fri, Feb 21
4:45 pm - 2:21 pmYUL-SEA
24h 36m1 stop
3:15 pm - 3:36 pmSEA-YUL
21h 21m1 stop
$383WestJet
Find Deal
Tue, Feb 18 - Tue, Feb 25
12:49 pm - 10:25 pmYUL-SEA
12h 36m1 stop
9:20 am - 11:40 pmSEA-YUL
11h 20m1 stop
$384Delta
Find Deal
Tue, Feb 18 - Tue, Feb 25
7:14 am - 9:21 pmYUL-SEA
17h 07m1 stop
12:43 am - 4:55 pmSEA-YUL
13h 12m2 stops
$387American Airlines
Find Deal
Wed, Feb 19 - Tue, Feb 25
7:14 am - 9:21 pmYUL-SEA
17h 07m1 stop
12:25 am - 1:35 pmSEA-YUL
10h 10m2 stops
$391American Airlines
Find Deal
Sat, Feb 15 - Thu, Feb 20
7:00 am - 1:08 pmYUL-SEA
9h 08m1 stop
7:05 am - 12:43 amSEA-YUL
14h 38m1 stop
$430WestJet
Find Deal
Sun, Jun 15 - Sat, Jun 21
7:30 am - 2:30 pmYUL-SEA
10h 00m1 stop
5:45 am - 5:03 pmSEA-YUL
8h 18m1 stop
$508Air Canada
Find Deal
Tue, Feb 11 - Sun, Feb 16
2:20 pm - 10:00 pmYUL-SEA
10h 40m2 stops
3:05 pm - 7:20 amSEA-YUL
13h 15m2 stops
$530Air Canada
Find Deal
Mon, Mar 3 - Wed, Mar 12
7:00 am - 8:42 pmYUL-SEA
16h 42m2 stops
Tue, May 20
6:45 am - 9:35 amYUL-SEA
29h 50m2 stops
Wed, Feb 19
4:45 pm - 10:00 amYUL-SEA
20h 15m3 stops
$198WestJet
Find Deal
Wed, Feb 19
6:45 am - 2:34 pmYUL-SEA
34h 49m2 stops
$207WestJet
Find Deal
Fri, Apr 11
7:00 am - 6:00 pmYUL-SEA
14h 00m1 stop
$217Delta
Find Deal
Thu, Jan 23
4:50 pm - 10:25 pmYUL-SEA
8h 35m1 stop
$221Delta
Find Deal
Thu, Jan 30
2:20 pm - 9:18 pmYUL-SEA
9h 58m1 stop
$222American Airlines
Find Deal
Tue, Feb 11
7:30 am - 7:10 pmYUL-SEA
14h 40m2 stops
$226American Airlines
Find Deal
Tue, Feb 11
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
$302Air Canada
Find Deal
Sun, May 18
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
$347Air Canada
Find Deal
Sat, May 10
12:48 pm - 10:25 pmYUL-SEA
12h 37m1 stop
12:00 pm - 11:52 pmSEA-YUL
8h 52m1 stop
$377Delta
Find Deal
Tue, Jan 21 - Thu, Jan 23
6:30 pm - 9:40 amYUL-SEA
42h 10m2 stops
5:45 am - 4:35 pmSEA-YUL
31h 50m1 stop
Tue, Jan 21 - Fri, Jan 24
6:00 am - 2:45 pmYUL-SEA
11h 45m2 stops
12:00 pm - 11:36 pmSEA-YUL
8h 36m1 stop
$519Delta
Find Deal
Tue, Jan 21 - Thu, Jan 23
7:14 am - 7:00 pmYUL-SEA
14h 46m1 stop
7:11 am - 10:45 pmSEA-YUL
12h 34m1 stop
$571American Airlines
Find Deal
Sun, Jan 19 - Sat, Feb 1
6:45 am - 2:38 pmYUL-SEA
10h 53m2 stops
5:45 am - 4:35 pmSEA-YUL
31h 50m1 stop
Sat, Jan 18 - Mon, Jan 20
6:45 am - 2:21 pmYUL-SEA
34h 36m2 stops
3:15 pm - 12:40 amSEA-YUL
30h 25m2 stops
$597WestJet
Find Deal
Sat, Jan 18 - Mon, Jan 20
6:00 am - 2:45 pmYUL-SEA
11h 45m2 stops
11:05 pm - 11:58 amSEA-YUL
9h 53m1 stop
$616Delta
Find Deal
Sun, Jan 19 - Sat, Feb 1
12:55 pm - 9:18 pmYUL-SEA
11h 23m2 stops
5:22 am - 10:45 pmSEA-YUL
14h 23m2 stops
$621American Airlines
Find Deal
Sun, Jan 19 - Sat, Feb 1
6:45 am - 2:21 pmYUL-SEA
34h 36m2 stops
3:15 pm - 12:40 amSEA-YUL
30h 25m2 stops
$638WestJet
Find Deal
Mon, Jan 20 - Thu, Jan 23
6:35 pm - 2:00 pmYUL-SEA
22h 25m2 stops
7:00 am - 8:00 amSEA-YUL
22h 00m3 stops
$1,062United Airlines
Find Deal
Mon, Jan 20 - Thu, Jan 23
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
7:20 am - 3:30 pmSEA-YUL
5h 10mnonstop
$652Air Canada
Find Deal
Sat, May 10 - Wed, May 21
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$659United Airlines
Find Deal
Sun, Jun 15 - Sat, Jun 21
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
7:20 am - 3:30 pmSEA-YUL
5h 10mnonstop
$660Air Canada
Find Deal
Sat, May 10 - Wed, May 21
4:45 pm - 7:41 pmYUL-SEA
5h 56mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$695Air Canada
Find Deal
Thu, Jun 26 - Sat, Jul 5
4:45 pm - 7:41 pmYUL-SEA
5h 56mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$697Air Canada
Find Deal
Thu, Jun 26 - Sat, Jul 5
4:45 pm - 7:41 pmYUL-SEA
5h 56mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$751Air Canada
Find Deal
Sun, Jul 13 - Mon, Jul 28
4:45 pm - 7:41 pmYUL-SEA
5h 56mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$758Air Canada
Find Deal
Fri, Jun 20 - Mon, Jun 30
4:45 pm - 7:37 pmYUL-SEA
5h 52mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$760Air Canada
Find Deal
Thu, May 1 - Sat, Aug 9
4:45 pm - 7:41 pmYUL-SEA
5h 56mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$858Air Canada
Find Deal
Sat, Jul 5 - Sun, Jul 13
4:45 pm - 7:41 pmYUL-SEA
5h 56mnonstop
7:20 am - 3:29 pmSEA-YUL
5h 09mnonstop
$1,526United Airlines
Find Deal
Fri, Jul 4 - Tue, Jul 15

WestJet flights from Montreal to Seattle

Our best WestJet deals on Montreal to Seattle flight tickets
WestJet
Feb 18
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
24h 36m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Feb 25
SEA3:15 pmSeattle/Tacoma Intl
21h 21m
1 stop
YUL3:36 pmMontreal Pierre Elliott Trudeau Intl
WestJet
Jun 15
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
9h 08m
1 stop
SEA1:08 pmSeattle/Tacoma Intl
Jun 21
SEA7:05 amSeattle/Tacoma Intl
14h 38m
1 stop
YUL12:43 amMontreal Pierre Elliott Trudeau Intl
WestJet
Feb 26
YUL4:45 pmMontreal Pierre Elliott Trudeau Intl
24h 36m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Mar 12
SEA3:15 pmSeattle/Tacoma Intl
21h 21m
1 stop
YUL3:36 pmMontreal Pierre Elliott Trudeau Intl

American Airlines flights from Montreal to Seattle

Our best American Airlines deals on Montreal to Seattle flight tickets
American Airlines
Jan 23
YUL12:55 pmMontreal Pierre Elliott Trudeau Intl
11h 23m
2 stops
SEA9:18 pmSeattle/Tacoma Intl
Jan 29
SEA1:43 pmSeattle/Tacoma Intl
19h 37m
2 stops
YUL12:20 pmMontreal Pierre Elliott Trudeau Intl
American Airlines
Feb 19
YUL7:14 amMontreal Pierre Elliott Trudeau Intl
17h 07m
1 stop
SEA9:21 pmSeattle/Tacoma Intl
Feb 25
SEA12:43 amSeattle/Tacoma Intl
13h 12m
2 stops
YUL4:55 pmMontreal Pierre Elliott Trudeau Intl
American Airlines
Feb 15
YUL7:14 amMontreal Pierre Elliott Trudeau Intl
17h 07m
1 stop
SEA9:21 pmSeattle/Tacoma Intl
Feb 20
SEA12:25 amSeattle/Tacoma Intl
10h 10m
2 stops
YUL1:35 pmMontreal 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, May 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 $488. If you don’t want to visit Seattle in May, then you should wait until January to fly from Montreal, when ticket prices are also cheap, with an average price of $490.

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 5 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $517 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 $448 on momondo.

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.

How have Montreal to Seattle flight prices changed over time?

As of January 2025, prices for Montreal to Seattle flights are approximately 5% 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

$180

Fastest flight time

5h 52m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Montreal in the past 72 hours is $180. The best round-trip flight deal from Montreal to Seattle found on momondo in the last 72 hours is $303.
The fastest flight from Montreal to Seattle takes 5h 52m
Direct flights go from Montreal to Seattle on Monday, Tuesday, 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?

    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
2,824 reviews
Search WestJet flights
DeltaPriceFrom $389Free CancellationRating
8.0
8,511 reviews
Search Delta flights
Air CanadaPriceFrom $399Free CancellationRating
7.0
8,587 reviews
Search Air Canada flights
American AirlinesPriceFrom $417Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Tukwila
Federal Way
Lynnwood
Kirkland
Lakewood
Redmond
Puyallup
Fife
Shoreline
Centralia
Bothell
Cle Elum
Lacey

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.


An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 1/21
Tue 1/28
Email me momondo's favorite deals

Find better results for your trip to the United States