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$439+ 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$643
(United)

One-way from

$439
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$341
Provider with most accurate pricing for Québec City-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Québec City-Seattle/Tacoma Intl flights.
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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. 7% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This United deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:00 amYQB - SEA
2 stops20h 47mMultiple Airlines
Sat 1/38:10 amSEA - YQB
1 stop7h 28mMultiple Airlines
Deal found 11/12$643
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/195:00 amYQB - SEA
2 stops20h 47mUnited Airlines
Sat 1/311:59 pmSEA - YQB
2 stops19h 44mUnited Airlines
Deal found 11/12$673
This United deal was found by Cheapflights users on 11/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amYQB - SEA
1 stop18h 35mMultiple Airlines
Fri 1/28:10 amSEA - YQB
1 stop7h 28mMultiple Airlines
Deal found 11/13$708
This Air Canada deal was found by Cheapflights users on 11/12. 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 12/1910:55 amYQB - SEA
1 stop14h 21mAir Canada
Sat 1/38:10 amSEA - YQB
1 stop7h 28mAir Canada
Deal found 11/12$710
This United deal was found by Cheapflights users on 11/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amYQB - SEA
1 stop18h 35mMultiple Airlines
Tue 12/308:10 amSEA - YQB
1 stop7h 28mMultiple Airlines
Deal found 11/12$728
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 12/275:10 pmYQB - SEA
2 stops19h 46mUnited Airlines
Sat 1/105:00 amSEA - YQB
2 stops14h 47mUnited Airlines
Deal found 11/12$771
This United deal was found by Cheapflights users on 11/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:00 amYQB - SEA
2 stops16h 46mMultiple Airlines
Sun 12/215:50 amSEA - YQB
2 stops23h 38mMultiple Airlines
Deal found 11/11$775

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 November 13, 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 12/19

5:00 am-10:47 pm

2 stops20h 47m

Seattle/Tacoma Intl

Sat 1/3

8:10 am-6:38 pm

1 stop7h 28m

$643

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Mon 12/29

6:00 am-9:35 pm

1 stop18h 35m

Seattle/Tacoma Intl

Fri 1/2

8:10 am-6:38 pm

1 stop7h 28m

$708

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/19

10:55 am-10:16 pm

1 stop14h 21m

Seattle/Tacoma Intl

Sat 1/3

8:10 am-6:38 pm

1 stop7h 28m

$710

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/26

6:00 am-9:35 pm

1 stop18h 35m

Seattle/Tacoma Intl

Tue 12/30

8:00 pm-9:45 am

2 stops10h 45m

$733

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 12/27

5:10 pm-9:56 am

2 stops19h 46m

Seattle/Tacoma Intl

Sat 1/10

5:00 am-10:47 pm

2 stops14h 47m

$771

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/19

5:00 am-6:46 pm

2 stops16h 46m

Seattle/Tacoma Intl

Sun 12/21

5:50 am-8:28 am

2 stops23h 38m

$775

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/26

5:00 am-10:47 pm

2 stops20h 47m

Seattle/Tacoma Intl

Fri 1/2

7:00 am-9:45 am

2 stops23h 45m

$785

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 12/27

7:35 pm-6:45 pm

2 stops26h 10m

$439

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 12/27

3:20 pm-10:11 am

3 stops45h 51m

$618

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 12/27

5:00 am-10:16 pm

1 stop20h 16m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Compare providers for flights from Québec City to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Québec City to Seattle in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Québec City-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Québec City-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Québec City-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Québec City-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Québec City-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Québec City to Seattle (average of $154). Flying from Québec City to Seattle in December is currently the most expensive (average of $492). 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 14h 21m. The distance from Québec City to Seattle is about 2349 mi.

  • 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, June is the cheapest month in which you can book a flight from Québec City to Seattle (average of $154). Flying from Québec City to Seattle in December is currently the most expensive (average of $492). 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
Tacoma
Tukwila
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Olympia
Ocean Shores
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Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
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Federal Way
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