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$247+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
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Cheap 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 June 15, 2026.

This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:30 pm
YQB
-
SEA
1 stop28h 30m
WestJet
Tue 8/257:00 am
SEA
-
YQB
1 stop8h 40m
WestJet
Deal found 6/14$432
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 8/141:47 pm
YQB
-
SEA
1 stop10h 11m
American Airlines
Mon 8/2410:00 pm
SEA
-
YQB
1 stop10h 48m
American Airlines
Deal found 6/14$440
This Kissandfly.com deal was found by Cheapflights users on 6/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:30 pm
YQB
-
SEA
1 stop17h 10m
WestJet
Tue 8/187:00 am
SEA
-
YQB
1 stop8h 40m
WestJet
Deal found 6/15$444
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 9/293:59 pm
YQB
-
SEA
2 stops20h 26m
American Airlines
Tue 10/62:12 pm
SEA
-
YQB
1 stop20h 08m
American Airlines
Deal found 6/15$455
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 pm
YQB
-
SEA
1 stop17h 10m
WestJet
Wed 9/237:35 pm
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 6/15$458
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:30 pm
YQB
-
SEA
1 stop17h 10m
WestJet
Mon 8/2410:30 am
SEA
-
YQB
1 stop29h 10m
WestJet
Deal found 6/14$462
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:55 pm
YQB
-
SEA
1 stop13h 57m
American Airlines
Tue 7/2810:35 pm
SEA
-
YQB
1 stop13h 55m
American Airlines
Deal found 6/11$465
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/44:12 pm
YQB
-
SEA
1 stop9h 44m
American Airlines
Fri 8/143:47 pm
SEA
-
YQB
1 stop20h 06m
American Airlines
Deal found 6/14$468
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 9/11:47 pm
YQB
-
SEA
1 stop12h 09m
American Airlines
Sun 9/131:38 pm
SEA
-
YQB
2 stops21h 09m
American Airlines
Deal found 6/15$470
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 8/101:47 pm
YQB
-
SEA
2 stops22h 42m
American Airlines
Tue 8/182:47 pm
SEA
-
YQB
2 stops19h 28m
American Airlines
Deal found 6/15$472
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:56 pm
YQB
-
SEA
1 stop10h 00m
American Airlines
Mon 9/2111:57 pm
SEA
-
YQB
1 stop10h 56m
American Airlines
Deal found 6/12$479

Find 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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$432
(FlightHub)

One-way from

$247
(Justfly.com)

Popular in

February

Cheapest in

July

Average price

$587
Provider with most accurate pricing for Québec City-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Québec City-Seattle/Tacoma Intl flights.
Search Deals
From Québec City to Seattle/Tacoma Intl
Search Deals
One-way flight from Québec City to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($283 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 15, 2026.
Use the filters below to find and compare flights from Québec City to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 8/4

1:55 pm-8:37 pm

1 stop9h 42m

Seattle/Tacoma Intl

Fri 8/14

3:47 pm-2:53 pm

1 stop20h 06m

$469

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 8/8

3:56 pm-10:56 pm

1 stop10h 00m

Seattle/Tacoma Intl

Tue 8/18

3:35 pm-3:16 pm

2 stops20h 41m

$470

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 7/22

6:40 am-7:07 am

2 stops27h 27m

Seattle/Tacoma Intl

Tue 7/28

7:00 am-6:40 pm

1 stop8h 40m

$568
Quickest round-trip

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 9/22

1:40 pm-10:42 pm

2 stops12h 02m

Seattle/Tacoma Intl

Sat 9/26

7:20 pm-5:49 am

1 stop7h 29m

$588

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 8/4

4:55 pm-11:44 pm

1 stop9h 49m

Seattle/Tacoma Intl

Fri 8/14

6:10 pm-3:08 pm

2 stops17h 58m

$620

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 7/16

4:55 pm-8:00 am

2 stops18h 05m

Seattle/Tacoma Intl

Fri 7/24

11:49 pm-10:41 pm

2 stops19h 52m

$620

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 9/1

6:00 am-6:41 pm

1 stop15h 41m

Seattle/Tacoma Intl

Sun 9/13

6:15 pm-12:02 pm

2 stops14h 47m

$647

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Mon 8/31

3:53 pm-11:44 pm

1 stop10h 51m

Seattle/Tacoma Intl

Mon 9/14

10:58 pm-4:00 pm

1 stop14h 02m

$647
Cheapest one-way

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 9/12

1:40 pm-10:42 pm

2 stops12h 02m

$330
Quickest one-way

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 7/1

3:00 pm-11:16 pm

1 stop11h 16m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Québec City-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 9h 44m. 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?

    $179 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $200 and $243, 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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