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$166+ Cheap flights from Québec City (YQB) 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Québec City to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Québec City (YQB) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$293
(United Airlines)

One-way from

$166
(Air Canada)

Popular in

February

Cheapest in

January

Average price

$439
From Québec City to Seattle/Tacoma Intl
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One-way flight from Québec City to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Québec City to Seattle

Cheapest flights from Québec City to Seattle
Explore the most affordable flight options available from Québec City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 10/33:18 pmYQB - SEA
1 stop10h 12mUnited Airlines
Mon 10/66:55 pmSEA - YQB
2 stops12h 05mUnited Airlines
Deal found 9/10$293
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/1710:50 amYQB - SEA
1 stop10h 41mUnited Airlines
Mon 10/2012:43 pmSEA - YQB
2 stops18h 17mUnited Airlines
Deal found 9/10$294
This Air Canada deal was found by Cheapflights users on 9/10. 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 10/155:20 amYQB - SEA
2 stops11h 56mAir Canada
Thu 10/235:30 amSEA - YQB
2 stops11h 33mAir Canada
Deal found 9/10$295
This Air Canada deal was found by Cheapflights users on 9/10. 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 10/155:20 amYQB - SEA
2 stops11h 56mAir Canada
Fri 10/247:30 amSEA - YQB
1 stop8h 25mAir Canada
Deal found 9/10$302
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/94:14 pmYQB - SEA
1 stop20h 35mAmerican Airlines
Mon 10/132:52 pmSEA - YQB
1 stop19h 44mAmerican Airlines
Deal found 9/10$328
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/22:29 pmYQB - SEA
1 stop10h 35mAmerican Airlines
Sun 10/512:34 amSEA - YQB
1 stop10h 02mAmerican Airlines
Deal found 9/9$330
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sat 10/117:45 pmYQB - SEA
1 stop18h 14mAir Canada
Tue 10/215:30 amSEA - YQB
2 stops11h 33mAir Canada
Deal found 9/10$331
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sat 10/117:45 pmYQB - SEA
1 stop18h 14mAir Canada
Sat 10/257:30 amSEA - YQB
1 stop8h 25mAir Canada
Deal found 9/10$337
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/164:14 pmYQB - SEA
2 stops32h 32mAmerican Airlines
Fri 10/242:52 pmSEA - YQB
2 stops21h 42mAmerican Airlines
Deal found 9/10$347
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/165:20 amYQB - SEA
2 stops11h 22mUnited Airlines
Sun 10/193:35 pmSEA - YQB
2 stops15h 25mUnited Airlines
Deal found 9/10$354
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sat 10/117:45 pmYQB - SEA
1 stop18h 14mAir Canada
Fri 10/242:55 pmSEA - YQB
2 stops16h 25mAir Canada
Deal found 9/10$356

Cheapflights Fare Finder

 
Customize your flight search to find flights from Québec City 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 September 11, 2025.
Use the filters below to find and compare flights from Québec City to Seattle that are best for you.

Fly from

Québec City

Fly to

Seattle

Route

Depart

Return

Price

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/3

3:18 pm-10:30 pm

1 stop10h 12m

Seattle/Tacoma Intl

Mon 10/6

10:54 pm-12:02 pm

1 stop10h 08m

$293

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Sat 10/25

11:40 pm-2:13 pm

1 stop11h 33m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Mon 10/20

12:43 pm-10:00 am

2 stops18h 17m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Fri 10/24

10:54 pm-12:02 pm

1 stop10h 08m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Sun 10/19

8:30 am-10:00 am

2 stops22h 30m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Tue 10/21

10:54 pm-10:00 am

1 stop8h 06m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Thu 10/23

11:10 am-10:00 am

2 stops19h 50m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 10/2

6:00 am-9:44 pm

2 stops18h 44m

Seattle/Tacoma Intl

Mon 10/6

6:55 pm-2:16 pm

2 stops16h 21m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 10/17

10:50 am-6:31 pm

1 stop10h 41m

Seattle/Tacoma Intl

Wed 10/22

10:54 pm-10:00 am

1 stop8h 06m

$294

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 10/2

5:20 am-10:59 am

1 stop8h 39m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
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Best time to book a flight from Québec City to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Québec City 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 Québec City to Seattle

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

Currently, January is the cheapest month in which you can book a flight from Québec City to Seattle (average of $238). Flying from Québec City to Seattle in June is currently the most expensive (average of $388). 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.

Related info for your journey

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

  • How long is the flight from Québec City to Seattle?

    Departing from Québec City to Seattle will take you 10h 12m. The distance from Québec City to Seattle is about 2349 mi.

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

    $166 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $176 and $183, respectively.

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

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

  • How can I find direct flights from Québec City to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Québec City 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 Québec City to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Québec City to Seattle (average of $238). Flying from Québec City to Seattle in June is currently the most expensive (average of $388). 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
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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