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Cheap flights from Quebec to Seattle from $200

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 9/18. 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
6:45 am - 6:45 pm
YUL
-
SEA
15h 00m
2 stops
WestJet Logo
7:35 pm - 7:05 am
SEA
-
YUL
8h 30m
1 stop
$361WestJet
Thu, Aug 20 - Fri, Aug 28
WestJet Logo
8:00 pm - 9:40 am
YUL
-
SEA
16h 40m
1 stop
WestJet Logo
7:35 pm - 7:05 am
SEA
-
YUL
8h 30m
1 stop
$363WestJet
Tue, Sep 8 - Fri, Sep 11
WestJet Logo
5:30 pm - 6:45 pm
YUL
-
SEA
28h 15m
1 stop
WestJet Logo
7:35 pm - 7:05 am
SEA
-
YUL
8h 30m
1 stop
$364WestJet
Fri, Sep 18 - Sun, Sep 27
WestJet Logo
8:00 pm - 6:45 pm
YUL
-
SEA
25h 45m
1 stop
WestJet Logo
7:35 pm - 7:05 am
SEA
-
YUL
8h 30m
1 stop
$365WestJet
Thu, Oct 1 - Fri, Oct 9
WestJet Logo
8:00 pm - 9:40 am
YUL
-
SEA
16h 40m
1 stop
WestJet Logo
7:35 pm - 7:05 am
SEA
-
YUL
8h 30m
1 stop
$366WestJet
Mon, Sep 28 - Wed, Sep 30
WestJet Logo
6:45 am - 6:45 pm
YUL
-
SEA
15h 00m
2 stops
WestJet Logo
7:35 pm - 4:45 pm
SEA
-
YUL
18h 10m
2 stops
$368WestJet
Thu, Sep 24 - Sun, Sep 27
WestJet Logo
6:45 am - 2:20 pm
YUL
-
SEA
34h 35m
2 stops
WestJet Logo
3:10 pm - 2:12 pm
SEA
-
YUL
20h 02m
1 stop
$369WestJet
Wed, Oct 28 - Sun, Nov 1
WestJet Logo
5:30 pm - 9:40 am
YUL
-
SEA
19h 10m
1 stop
WestJet Logo
7:35 pm - 7:05 am
SEA
-
YUL
8h 30m
1 stop
$372WestJet
Tue, Sep 1 - Fri, Sep 11
American Airlines Logo
4:12 pm - 10:56 pm
YQB
-
SEA
9h 44m
1 stop
American Airlines Logo
3:47 pm - 2:53 pm
SEA
-
YQB
20h 06m
1 stop
$470American Airlines
Tue, Aug 4 - Fri, Aug 14
American Airlines Logo
4:12 pm - 9:29 am
YQB
-
SEA
20h 17m
2 stops
American Airlines Logo
3:47 pm - 2:53 pm
SEA
-
YQB
20h 06m
1 stop
$474American Airlines
Tue, Aug 4 - Fri, Aug 14

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WestJet flights from Quebec to Seattle

Our best WestJet deals on Quebec to Seattle flight tickets
WestJet
Aug 20
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
15h 00m
2 stops
SEA6:45 pmSeattle/Tacoma Intl
Aug 28
SEA7:35 pmSeattle/Tacoma Intl
8h 30m
1 stop
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
$361
WestJet
Sep 8
YUL8:00 pmMontreal Pierre Elliott Trudeau Intl
16h 40m
1 stop
SEA9:40 amSeattle/Tacoma Intl
Sep 11
SEA7:35 pmSeattle/Tacoma Intl
8h 30m
1 stop
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
$363
WestJet
Sep 18
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
28h 15m
1 stop
SEA6:45 pmSeattle/Tacoma Intl
Sep 27
SEA7:35 pmSeattle/Tacoma Intl
8h 30m
1 stop
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
$364

Delta flights from Quebec to Seattle

Our best Delta deals on Quebec to Seattle flight tickets
Delta
Jul 11
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
12h 43m
1 stop
SEA4:43 pmSeattle/Tacoma Intl
Jul 23
SEA7:20 amSeattle/Tacoma Intl
13h 32m
1 stop
YUL11:52 pmMontreal Pierre Elliott Trudeau Intl
$384
Delta
Aug 22
YUL12:47 pmMontreal Pierre Elliott Trudeau Intl
12h 18m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
Aug 31
SEA9:10 amSeattle/Tacoma Intl
11h 42m
1 stop
YUL11:52 pmMontreal Pierre Elliott Trudeau Intl
$392
Delta
Aug 29
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
12h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Sep 6
SEA9:53 amSeattle/Tacoma Intl
10h 37m
1 stop
YUL11:30 pmMontreal Pierre Elliott Trudeau Intl
$394

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 June 29, 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

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 8/20

6:45 am-6:45 pm

2 stops15h 00m

Seattle/Tacoma Intl

Fri 8/28

7:35 pm-7:05 am

1 stop8h 30m

$361

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

8:00 pm-9:40 am

1 stop16h 40m

Seattle/Tacoma Intl

Fri 9/11

7:35 pm-7:05 am

1 stop8h 30m

$363

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 9/18

5:30 pm-6:45 pm

1 stop28h 15m

Seattle/Tacoma Intl

Sun 9/27

7:35 pm-7:05 am

1 stop8h 30m

$364

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 10/1

8:00 pm-6:45 pm

1 stop25h 45m

Seattle/Tacoma Intl

Fri 10/9

7:35 pm-7:05 am

1 stop8h 30m

$365

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 9/28

8:00 pm-9:40 am

1 stop16h 40m

Seattle/Tacoma Intl

Wed 9/30

7:35 pm-7:05 am

1 stop8h 30m

$366

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 9/24

6:45 am-6:45 pm

2 stops15h 00m

Seattle/Tacoma Intl

Sun 9/27

7:35 pm-4:45 pm

2 stops18h 10m

$368

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 10/28

6:45 am-2:20 pm

2 stops34h 35m

Seattle/Tacoma Intl

Sun 11/1

3:10 pm-2:12 pm

1 stop20h 02m

$369

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 9/1

5:30 pm-9:40 am

1 stop19h 10m

Seattle/Tacoma Intl

Fri 9/11

7:35 pm-7:05 am

1 stop8h 30m

$372

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 8/4

4:12 pm-10:56 pm

1 stop9h 44m

Seattle/Tacoma Intl

Fri 8/14

3:47 pm-2:53 pm

1 stop20h 06m

$470

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 8/4

4:12 pm-9:29 am

2 stops20h 17m

Seattle/Tacoma Intl

Fri 8/14

3:47 pm-2:53 pm

1 stop20h 06m

$474

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, March 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 $200. If you don’t want to visit Seattle in March, then you should wait until November to fly from Quebec, when ticket prices are also cheap, with an average price of $203.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $315. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday 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 $638.

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 $502 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 are 3 cabin classes 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 13% 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

8h 25m

Direct flights

None
The fastest flight from Quebec to Seattle takes 8h 25m
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
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,899 reviews
Search United Airlines flights
WestJetPriceFrom $293Free CancellationRating
7.2
3,385 reviews
Search WestJet flights
Air CanadaPriceFrom $314Free CancellationRating
7.1
11,269 reviews
Search Air Canada 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
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Cle Elum
Federal Way
Fife
Marysville
Centralia
Kirkland
Shoreline
Westport

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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