HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$209+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Québec City 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 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 April 30, 2026.

This CheapTickets deal was found by Cheapflights users on 4/27. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:30 pm
YQB
-
SEA
1 stop17h 10m
WestJet
Thu 6/187:00 am
SEA
-
YQB
1 stop8h 40m
WestJet
Deal found 4/27$353
This American Airlines deal was found by Cheapflights users on 4/25. 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 6/304:11 pm
YQB
-
SEA
2 stops20h 16m
American Airlines
Thu 7/93:28 pm
SEA
-
YQB
1 stop18h 46m
American Airlines
Deal found 4/25$418
This WestJet deal was found by Cheapflights users on 4/25. 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.
Sat 6/277:30 pm
YQB
-
SEA
1 stop17h 10m
WestJet
Sun 7/127:35 pm
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 4/25$428
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/271:57 pm
YQB
-
SEA
1 stop13h 19m
American Airlines
Sat 6/66:00 am
SEA
-
YQB
1 stop8h 15m
American Airlines
Deal found 4/26$430
This Justfly.com deal was found by Cheapflights users on 4/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:30 pm
YQB
-
SEA
1 stop26h 15m
WestJet
Wed 6/107:35 pm
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 4/25$434
This American Airlines deal was found by Cheapflights users on 4/25. 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 7/14:11 pm
YQB
-
SEA
2 stops23h 38m
American Airlines
Wed 7/810:35 pm
SEA
-
YQB
1 stop13h 55m
American Airlines
Deal found 4/25$465
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Sun 5/241:48 pm
YQB
-
SEA
1 stop10h 47m
American Airlines
Fri 6/123:06 pm
SEA
-
YQB
2 stops21h 25m
American Airlines
Deal found 4/25$482
This Flightnetwork deal was found by Cheapflights users on 4/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:00 am
YQB
-
SEA
2 stops12h 20m
Multiple Airlines
Thu 6/187:00 am
SEA
-
YQB
1 stop8h 40m
Multiple Airlines
Deal found 4/27$490
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:11 pm
YQB
-
SEA
1 stop9h 47m
American Airlines
Fri 6/1911:24 pm
SEA
-
YQB
2 stops10h 52m
American Airlines
Deal found 4/28$510
This American Airlines deal was found by Cheapflights users on 4/25. 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.
Sun 5/241:48 pm
YQB
-
SEA
1 stop24h 58m
American Airlines
Sun 6/711:58 pm
SEA
-
YQB
2 stops12h 33m
American Airlines
Deal found 4/25$546

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$353
(CheapTickets)

One-way from

$209
(Justfly.com)

Popular in

February

Cheapest in

June

Average price

$648
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. 38% potential increase in price ($365 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($81 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 30, 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

Thu 6/11

7:30 pm-9:40 am

1 stop17h 10m

Seattle/Tacoma Intl

Thu 6/18

7:00 am-6:40 pm

1 stop8h 40m

$353

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sun 5/24

4:11 pm-11:46 am

1 stop22h 35m

Seattle/Tacoma Intl

Sat 6/13

1:46 pm-3:31 pm

2 stops22h 45m

$482

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 5/27

1:48 pm-11:46 am

1 stop24h 58m

Seattle/Tacoma Intl

Sat 6/13

1:46 pm-1:09 pm

2 stops20h 23m

$482

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 6/11

7:30 pm-6:45 pm

1 stop26h 15m

Seattle/Tacoma Intl

Thu 6/18

10:30 am-12:21 pm

3 stops22h 51m

$498

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 6/12

4:11 pm-10:58 pm

1 stop9h 47m

Seattle/Tacoma Intl

Fri 6/19

3:05 pm-1:16 pm

1 stop19h 11m

$546

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 6/27

6:00 am-8:53 pm

2 stops17h 53m

Seattle/Tacoma Intl

Sat 7/11

5:00 am-10:41 pm

2 stops14h 41m

$591

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 7/2

3:05 pm-12:14 am

1 stop12h 09m

Seattle/Tacoma Intl

Sat 7/11

5:00 am-10:41 pm

2 stops14h 41m

$591

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 7/1

3:05 pm-12:14 am

1 stop12h 09m

Seattle/Tacoma Intl

Sat 7/11

11:00 pm-12:02 pm

1 stop10h 02m

$591

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 6/27

6:00 am-8:53 pm

2 stops17h 53m

Seattle/Tacoma Intl

Thu 7/9

2:33 pm-12:02 pm

2 stops18h 29m

$591

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 9/10

1:40 pm-10:42 pm

2 stops12h 02m

Seattle/Tacoma Intl

Mon 9/14

7:20 pm-1:03 pm

2 stops14h 43m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 20 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 April.
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.

Cheapflights Insights

Everything you need to know about your flight from Québec City to Seattle

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

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 17h 10m. The distance from Québec City to Seattle is about 2349 mi. This flight may include one or multiple stops.

  • 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 $179, 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
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

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 Québec City to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Ottawa to Seattle flights
Pierre Elliott Trudeau Intl to Portland flights

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.