HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$143+ Cheap flights from Quebec to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Quebec to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Quebec to Seattle

Cheapest flights from Quebec to Seattle
Explore the most affordable flight options available from Quebec to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmYUL - SEA
1 stop19h 31mUnited Airlines
Tue 1/612:35 pmSEA - YUL
2 stops18h 45mUnited Airlines
Deal found 12/16$596
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amYUL - SEA
1 stop12h 47mDelta
Fri 1/306:05 amSEA - YUL
1 stop6h 51mDelta
Deal found 12/16$621
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:25 pmYUL - SEA
1 stop19h 31mUnited Airlines
Mon 1/53:50 pmSEA - YUL
2 stops16h 40mUnited Airlines
Deal found 12/16$629
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:00 amYUL - SEA
1 stop8h 31mAir Canada
Wed 12/318:00 pmSEA - YUL
1 stop7h 44mAir Canada
Deal found 12/16$632
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:30 amYUL - SEA
1 stop10h 01mAir Canada
Tue 12/305:50 amSEA - YUL
1 stop8h 10mAir Canada
Deal found 12/16$634
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:10 pmYUL - SEA
2 stops14h 24mUnited Airlines
Wed 12/317:12 pmSEA - YUL
2 stops12h 08mUnited Airlines
Deal found 12/16$637
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:00 amYUL - SEA
1 stop8h 31mAir Canada
Mon 1/59:55 amSEA - YUL
1 stop7h 59mAir Canada
Deal found 12/17$643
This Gotogate deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:25 pmYUL - SEA
1 stop8h 51mAir Canada
Tue 1/68:10 amSEA - YUL
2 stops9h 35mAir Canada
Deal found 12/17$662
This Air Canada deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:10 pmYUL - SEA
1 stop12h 06mAir Canada
Tue 12/305:50 amSEA - YUL
1 stop8h 10mAir Canada
Deal found 12/16$674
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:15 amYOW - SEA
2 stops14h 51mUnited Airlines
Fri 1/27:00 amSEA - YOW
1 stop11h 18mUnited Airlines
Deal found 12/16$771
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:50 pmYOW - SEA
1 stop7h 56mAir Canada
Fri 1/28:10 amSEA - YOW
1 stop8h 13mAir Canada
Deal found 12/17$772
This WestJet deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:40 amYOW - SEA
2 stops31h 24mWestJet
Sun 12/289:25 amSEA - YOW
2 stops12h 17mWestJet
Deal found 12/17$795

Find flight deals from Quebec to Seattle

Keep the following information in mind while searching for Quebec to Seattle flight deals. Data was last updated December 18, 2025.

Round-trip from

$230
(FlightHub)

One-way from

$143
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$574

Good one-way deal

$233 or less
From Quebec to Seattle/Tacoma Intl
Search Deals
One-way flight from Quebec to Seattle/Tacoma Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a one-way flight from Quebec to Seattle/Tacoma Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Quebec to Seattle that are best for you.

Fly from

Quebec

Fly to

Seattle

Route

Depart

Return

Price

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 5/20

6:45 am-1:08 pm

1 stop9h 23m

Seattle/Tacoma Intl

Tue 6/2

7:05 am-12:42 am

1 stop14h 37m

$230

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Fri 5/15

5:15 pm-8:28 pm

2 stops30h 13m

Seattle/Tacoma Intl

Tue 5/19

7:05 am-5:28 am

2 stops19h 23m

$248

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 4/8

5:45 pm-2:19 pm

1 stop23h 34m

Seattle/Tacoma Intl

Tue 4/14

3:10 pm-4:53 pm

1 stop22h 43m

$255

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

7:30 pm-2:19 pm

1 stop21h 49m

Seattle/Tacoma Intl

Sun 2/8

3:10 pm-7:05 am

1 stop12h 55m

$257

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 1/23

7:30 pm-2:38 pm

1 stop22h 08m

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-7:05 am

1 stop12h 55m

$260

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 1/13

4:15 pm-10:16 pm

1 stop9h 01m

Seattle/Tacoma Intl

Tue 1/20

5:50 am-3:46 pm

1 stop6h 56m

$273

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 1/20

7:27 pm-6:26 pm

2 stops25h 59m

Seattle/Tacoma Intl

Thu 1/22

7:00 am-9:18 pm

1 stop11h 18m

$300

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Thu 1/22

9:45 am-6:26 pm

2 stops11h 41m

Seattle/Tacoma Intl

Sat 1/24

11:45 pm-1:32 pm

1 stop10h 47m

$300

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 4/22

6:00 am-7:00 pm

3 stops16h 00m

Seattle/Tacoma Intl

Fri 4/24

7:02 pm-9:11 am

2 stops11h 09m

$300

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 1/21

6:00 am-6:26 pm

2 stops15h 26m

Seattle/Tacoma Intl

Fri 1/23

5:10 pm-5:12 pm

2 stops21h 02m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 40 results
1
2
3
4

Best time to book a flight from Quebec to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Quebec with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Quebec to Seattle

What is the cheapest month to book a flight from Quebec to Seattle?

Currently, June is the cheapest month in which you can book a flight from Quebec to Seattle (average of $154). Flying from Quebec to Seattle in February is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from QC to SEA?

Find hourly flight availability from Quebec to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Quebec to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 41% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Quebec to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Quebec?

    If you book a flight to Seattle from Quebec, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Quebec to Seattle?

    Departing from Quebec to Seattle will take you 9h 01m. There are 2193 mi between Quebec and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Quebec to Seattle one-way?

    One-way options have recently been found by users for as low as $163 on Air Canada. Other airlines that offer cheap prices include WestJet from $165 and United Airlines from $172 one-way.

  • What are the most popular routes from Quebec to Seattle?

    While some choose either Ottawa - Seattle/Tacoma Intl or Québec City - Seattle/Tacoma Intl, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl is the most popular route from Quebec to Seattle.

  • What are the cheapest flights from Quebec to Seattle?

    Looking for the cheapest flight from Quebec to Seattle? While on average our users pay $375, our data indicates the cheapest price to be $232. The most popular route (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), is priced around $295.

  • Can I find deals for flights from Quebec to Seattle that include hotel bookings?

    Yes. In addition to deals on Quebec to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Quebec to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quebec to Seattle.

  • Can I find deals for business class flights from Quebec to Seattle?

    Yes. Cheapflights offers flight deals from Quebec to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Quebec to Seattle?

    Currently, June is the cheapest month in which you can book a flight from Quebec to Seattle (average of $154). Flying from Quebec to Seattle in February is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Quebec to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Seattle flights
Vancouver Intl to Seattle flights
Calgary to Seattle flights
Vancouver Intl to Portland flights
Pierre Elliott Trudeau Intl to Seattle flights
Kelowna to Seattle flights
Edmonton to Seattle flights
Pierre Elliott Trudeau Intl to Portland flights
Saskatoon to Seattle flights
Victoria to Seattle flights
Region of Waterloo Intl to Seattle flights
Pearson Intl to Portland flights
Vancouver Intl to Spokane flights
Winnipeg to Portland flights
Calgary to Portland flights
Ottawa to Seattle flights
Pierre Elliott Trudeau Intl to Spokane flights
Toronto Island to Portland flights
Calgary to Spokane flights
Edmonton to Portland flights
Québec City to Seattle flights
Victoria to Portland flights
Ottawa to Portland flights
Pearson Intl to Spokane flights
Hamilton to Portland flights
Prince George to Seattle flights
Winnipeg to Seattle flights
Fort St. John to Portland flights
Halifax to Seattle flights
Regina to Seattle flights
Pierre Elliott Trudeau Intl to Pasco flights
London to Seattle flights
Saskatoon to Portland flights
Windsor to Portland flights
St John to Portland flights
Kelowna to Portland flights
Kamloops to Portland flights
Kingston to Seattle flights
London to Portland flights

Top 2 airlines flying from Quebec to Seattle

Discover the top 2 airlines that operate flights from Quebec to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$316Average$485FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$516Average$890FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.