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Cheap flights from Quebec to Seattle from $196

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Quebec to Seattle departing on 10/17. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Quebec to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
1:20 pm - 6:45 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
8h 25m1 stop Calgary
WestJet Logo
7:35 pm - 5:35 amSEA  Seattle/Tacoma Intl-YOW Ottawa
7h 00m1 stop Calgary
$328WestJet
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
8:15 pm - 9:40 amYOW  Ottawa-SEA Seattle/Tacoma Intl
16h 25m1 stop Calgary
WestJet Logo
7:35 pm - 5:35 amSEA  Seattle/Tacoma Intl-YOW Ottawa
7h 00m1 stop Calgary
$328WestJet
Wed, Sep 23 - Wed, Sep 30
Air Canada Logo
6:00 pm - 10:47 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
7h 47m1 stop Vancouver Intl
Air Canada Logo
5:40 am - 4:54 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 14m1 stop Vancouver Intl
$341Air Canada
Wed, Sep 30 - Wed, Oct 14
Air Canada Logo
6:00 pm - 10:42 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
7h 42m1 stop Vancouver Intl
Air Canada Logo
5:40 am - 4:54 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 14m1 stop Vancouver Intl
$341Air Canada
Sat, Oct 3 - Sat, Oct 10
Delta Logo
6:00 am - 2:49 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
11h 49m1 stop Detroit Metropolitan Wayne County
Delta Logo
8:59 am - 11:50 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
11h 51m1 stop Atlanta Hartsfield-Jackson
$347Delta
Sat, Sep 12 - Tue, Sep 15
Delta Logo
12:45 pm - 12:09 amYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
14h 24m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:45 am - 11:10 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 25m1 stop Detroit Metropolitan Wayne County
$347Delta
Sat, Jan 30 - Tue, Feb 2
American Airlines Logo
5:34 pm - 12:11 amYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
9h 37m1 stop Chicago O'Hare Intl
American Airlines Logo
8:20 am - 9:42 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
10h 22m1 stop Philadelphia
$348American Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
4:15 pm - 10:57 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
9h 42m1 stop Philadelphia
American Airlines Logo
6:18 am - 9:42 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
12h 24m2 stops Chicago O'Hare Intl Philadelphia
$357American Airlines
Sat, Sep 26 - Sat, Oct 3
United Airlines Logo
9:45 am - 8:37 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
13h 52m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
11:14 pm - 2:40 pmSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
12h 26m1 stop Washington, D.C. Dulles Intl
$398United Airlines
Wed, Oct 21 - Wed, Oct 21
United Airlines Logo
6:00 am - 6:19 pmYUL  Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl
15h 19m1 stop Newark
United Airlines Logo
8:29 pm - 8:16 amSEA  Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl
8h 47m1 stop San Francisco
$398United Airlines
Wed, Oct 21 - Wed, Oct 21

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Air Canada flights from Quebec to Seattle

Our best Air Canada deals on Quebec to Seattle flight tickets
Air Canada
Oct 3
YUL6:00 pmMontreal Pierre Elliott Trudeau Intl
7h 42m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
Oct 10
SEA5:40 amSeattle/Tacoma Intl
8h 14m
1 stop
YUL4:54 pmMontreal Pierre Elliott Trudeau Intl
$341
Air Canada
Oct 3
YUL6:00 pmMontreal Pierre Elliott Trudeau Intl
7h 42m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
Oct 10
SEA5:40 amSeattle/Tacoma Intl
8h 14m
1 stop
YUL4:54 pmMontreal Pierre Elliott Trudeau Intl
$342
Air Canada
Sep 30
YUL6:00 pmMontreal Pierre Elliott Trudeau Intl
7h 47m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
Oct 7
SEA5:40 amSeattle/Tacoma Intl
8h 14m
1 stop
YUL4:54 pmMontreal Pierre Elliott Trudeau Intl
$343

American Airlines flights from Quebec to Seattle

Our best American Airlines deals on Quebec to Seattle flight tickets
American Airlines
Sep 15
YUL7:50 amMontreal Pierre Elliott Trudeau Intl
11h 52m
2 stops
SEA4:42 pmSeattle/Tacoma Intl
Sep 22
SEA6:18 amSeattle/Tacoma Intl
12h 24m
2 stops
YUL9:42 pmMontreal Pierre Elliott Trudeau Intl
$361
American Airlines
Sep 15
YUL1:06 pmMontreal Pierre Elliott Trudeau Intl
11h 30m
2 stops
SEA9:36 pmSeattle/Tacoma Intl
Sep 22
SEA6:18 amSeattle/Tacoma Intl
12h 24m
2 stops
YUL9:42 pmMontreal Pierre Elliott Trudeau Intl
$362
American Airlines
Aug 31
YUL3:45 pmMontreal Pierre Elliott Trudeau Intl
9h 41m
1 stop
SEA10:26 pmSeattle/Tacoma Intl
Sep 14
SEA11:57 pmSeattle/Tacoma Intl
8h 47m
1 stop
YUL11:44 amMontreal Pierre Elliott Trudeau Intl
$383

momondo Fare Finder

 
Customize your flight search to find flights from Quebec to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Quebec to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Sat 9/12

1:20 pm-6:45 pm

1 stop8h 25m

Seattle/Tacoma Intl

Sat 9/19

7:35 pm-5:35 am

1 stop7h 00m

$328

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Wed 9/23

8:15 pm-9:40 am

1 stop16h 25m

Seattle/Tacoma Intl

Wed 9/30

7:35 pm-5:35 am

1 stop7h 00m

$328

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 9/30

6:00 pm-10:47 pm

1 stop7h 47m

Seattle/Tacoma Intl

Wed 10/14

5:40 am-4:54 pm

1 stop8h 14m

$341

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 10/3

6:00 pm-10:42 pm

1 stop7h 42m

Seattle/Tacoma Intl

Sat 10/10

5:40 am-4:54 pm

1 stop8h 14m

$341

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 9/12

6:00 am-2:49 pm

1 stop11h 49m

Seattle/Tacoma Intl

Tue 9/15

8:59 am-11:50 pm

1 stop11h 51m

$347

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 1/30

12:45 pm-12:09 am

1 stop14h 24m

Seattle/Tacoma Intl

Tue 2/2

11:45 am-11:10 pm

1 stop8h 25m

$347

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 9/19

5:34 pm-12:11 am

1 stop9h 37m

Seattle/Tacoma Intl

Sat 9/26

8:20 am-9:42 pm

1 stop10h 22m

$348

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 9/26

4:15 pm-10:57 pm

1 stop9h 42m

Seattle/Tacoma Intl

Sat 10/3

6:18 am-9:42 pm

2 stops12h 24m

$357

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

9:45 am-8:37 pm

2 stops13h 52m

Seattle/Tacoma Intl

Wed 10/21

11:14 pm-2:40 pm

1 stop12h 26m

$398

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

6:00 am-6:19 pm

1 stop15h 19m

Seattle/Tacoma Intl

Wed 10/21

8:29 pm-8:16 am

1 stop8h 47m

$398

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Quebec 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 cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Quebec to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $430. If you don’t want to visit Seattle in September, then you should wait until March to fly from Quebec, when ticket prices are also cheap, with an average price of $457.

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

On average, the least expensive day to fly to Seattle from Quebec is on a Thursday. momondo users have found tickets for Thursday departures for as low as $489. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Quebec because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $670.

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

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

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

You are more likely to see cheaper flights to Seattle from Quebec when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $497 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Quebec for as low as $304 on momondo.

What cabin class options are available on Quebec to Seattle flights?

There is only 1 cabin class available to choose from on Quebec to Seattle 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 Quebec to Seattle flights?

You could potentially save up to 7% on your flight if you consider stops on a Quebec to Seattle flight.

Cheap Quebec to Seattle flight deals and tips

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

Fastest flight time

7h 31m

Direct flights

None
The fastest flight from Quebec to Seattle takes 7h 31m
There are no direct flights from Quebec to Seattle. There are no popular flight routes from Quebec to Seattle.
Search flight deals

Frequently asked questions about flying from Quebec to Seattle

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

    Prices for flights from Quebec to Seattle/Tacoma Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Quebec 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 Quebec to Seattle?

Best airlines flying from Quebec to Seattle

Compare and see reviews for airlines that fly from Quebec to Seattle with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $293Free CancellationRating
7.2
3,433 reviews
Search WestJet flights
Air CanadaPriceFrom $326Free CancellationRating
7.1
11,466 reviews
Search Air Canada flights
DeltaPriceFrom $388Free CancellationRating
7.8
8,504 reviews
Search Delta flights
United AirlinesPriceFrom $594Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights

Traveling to a place near Seattle?

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

Why use momondo?

Why should I use momondo to find a flight deal from Quebec 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 Quebec.

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

Flights from Quebec 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 Quebec to Seattle?

Once you have performed a search for Quebec to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Quebec to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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