HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$158+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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

Keep the following information in mind while searching for Quebec to Seattle flight deals. Data was last updated October 30, 2025.

Round-trip from

$243
(Air Canada)

One-way from

$158
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$498

Good round-trip deal

$833 or less
From Quebec to Seattle/Tacoma Intl
Search Deals
One-way flight from Quebec to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Quebec to Seattle/Tacoma Intl.
Search Deals

Find 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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:40 amYOW - SEA
2 stops11h 40mWestJet
Wed 12/103:10 pmSEA - YOW
2 stops30h 32mWestJet
Deal found 10/28$315
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/122:55 pmYQB - SEA
1 stop10h 33mUnited Airlines
Fri 11/147:13 pmSEA - YQB
2 stops12h 49mUnited Airlines
Deal found 10/28$316
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:45 pmYOW - SEA
1 stop23h 35mWestJet
Wed 12/103:10 pmSEA - YOW
1 stop22h 43mWestJet
Deal found 10/28$323
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:40 amYOW - SEA
2 stops35h 40mMultiple Airlines
Wed 12/1011:10 pmSEA - YOW
1 stop12h 34mMultiple Airlines
Deal found 10/28$363
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:15 pmYUL - SEA
1 stop25h 05mWestJet
Mon 12/83:10 pmSEA - YUL
1 stop21h 02mWestJet
Deal found 10/30$369
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/135:00 amYQB - SEA
2 stops14h 15mUnited Airlines
Thu 11/137:13 pmSEA - YQB
2 stops17h 39mUnited Airlines
Deal found 10/28$375
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/145:10 pmYQB - SEA
2 stops20h 25mUnited Airlines
Mon 11/1711:59 pmSEA - YQB
2 stops12h 53mUnited Airlines
Deal found 10/30$380
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 11/132:55 pmYQB - SEA
1 stop10h 33mUnited Airlines
Fri 11/148:10 amSEA - YQB
1 stop11h 18mUnited Airlines
Deal found 10/28$405
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:25 pmYUL - SEA
2 stops24h 15mMultiple Airlines
Tue 11/253:10 pmSEA - YUL
1 stop19h 22mMultiple Airlines
Deal found 10/30$407
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:15 pmYOW - SEA
2 stops22h 25mWestJet
Fri 11/283:10 pmSEA - YOW
2 stops30h 32mWestJet
Deal found 10/30$433
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:45 amYUL - SEA
1 stop15h 32mMultiple Airlines
Wed 12/311:10 pmSEA - YUL
2 stops28h 55mMultiple Airlines
Deal found 10/29$436
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:59 pmYUL - SEA
1 stop12h 21mAmerican Airlines
Wed 11/1911:20 pmSEA - YUL
1 stop13h 02mAmerican Airlines
Deal found 10/30$440

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 October 30, 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

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 4/14

5:50 pm-10:08 pm

1 stop7h 18m

Seattle/Tacoma Intl

Wed 4/15

8:00 pm-6:43 am

1 stop7h 43m

$243

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

7:30 pm-2:20 pm

1 stop21h 50m

Seattle/Tacoma Intl

Wed 1/21

3:10 pm-7:05 am

1 stop12h 55m

$259

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 12/9

5:40 am-2:20 pm

2 stops11h 40m

Seattle/Tacoma Intl

Wed 12/10

3:10 pm-12:42 am

2 stops30h 32m

$315

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 11/12

11:49 am-11:10 pm

2 stops14h 21m

Seattle/Tacoma Intl

Fri 11/14

12:41 pm-2:13 pm

3 stops22h 32m

$316

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 11/13

2:55 pm-10:35 am

2 stops22h 40m

Seattle/Tacoma Intl

Fri 11/14

12:41 pm-2:13 pm

3 stops22h 32m

$316

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

6:45 am-2:20 pm

2 stops34h 35m

Seattle/Tacoma Intl

Tue 1/20

3:10 pm-7:05 am

1 stop12h 55m

$316

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

6:45 am-2:20 pm

2 stops34h 35m

Seattle/Tacoma Intl

Thu 1/22

3:10 pm-7:05 am

1 stop12h 55m

$316

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Mon 12/8

5:45 pm-2:20 pm

1 stop23h 35m

Seattle/Tacoma Intl

Wed 12/10

3:10 pm-4:53 pm

1 stop22h 43m

$323

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

7:30 pm-2:20 pm

1 stop21h 50m

Seattle/Tacoma Intl

Fri 1/23

3:10 pm-7:05 am

1 stop12h 55m

$324

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 1/13

4:15 pm-2:20 pm

1 stop25h 05m

Seattle/Tacoma Intl

Wed 1/21

3:10 pm-7:05 am

1 stop12h 55m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 December is currently the most expensive (average of $398). 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 October 30, 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.

How much does it cost to fly round-trip from Quebec to Seattle?

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 7h 18m. 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 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 $846, our data indicates the cheapest price to be $532. The most popular route (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), is priced around $380.

  • 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 December is currently the most expensive (average of $398). 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
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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
Edmonton to Seattle flights
Victoria to Seattle flights
Pearson Intl to Portland flights
Pierre Elliott Trudeau Intl to Portland flights
Ottawa to Seattle flights
Region of Waterloo Intl to Seattle flights
Vancouver Intl to Spokane flights
Kelowna to Seattle flights
Saskatoon to Seattle flights
Winnipeg to Seattle flights
Calgary to Portland flights
Toronto Island to Portland flights
Kamloops to Portland flights
Victoria to Portland flights
Edmonton to Portland flights
Calgary to Spokane flights
Winnipeg to Portland flights
Pearson Intl to Spokane flights
Halifax to Seattle flights
Pierre Elliott Trudeau Intl to Spokane flights
Saskatoon to Portland flights
Hamilton to Portland flights
Regina to Seattle flights
Québec City to Seattle flights
Kelowna to Portland flights
Ottawa to Portland flights
London to Seattle flights
Prince George to Seattle flights
London to Portland flights
Windsor to Portland flights
St John to Portland flights
Kingston to Seattle flights
Pierre Elliott Trudeau Intl to Pasco flights
Fort St. John to Portland flights

Top 3 airlines flying from Quebec to Seattle

Discover the top 3 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$270Average$595FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$316Average$469FlexibilityNo 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.