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Cheap flights from Québec City to Seattle from C$ 230

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 406

One-way from

C$ 230

Popular in

February

Cheapest in

January

Average price

C$ 608
United Airlines
  • United Airlines
  • 3/10-6/10
  • 2 total stops
  • 20h 20m total
  • Québec City to Seattle
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Air Canada
  • Air Canada
  • 2/10
  • 1 total stop
  • 8h 39m total
  • Québec City to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 75 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 11 September 2025.

Fri 3/103:18 p.m.YQB - SEA
1 stop10h 12mUnited Airlines
Mon 6/1010:54 p.m.SEA - YQB
1 stop10h 08mUnited Airlines
Deal found 10/9C$ 406
Fri 17/1010:50 a.m.YQB - SEA
1 stop10h 41mUnited Airlines
Tue 21/105:00 a.m.SEA - YQB
2 stops14h 41mUnited Airlines
Deal found 10/9C$ 407
Wed 15/105:20 a.m.YQB - SEA
2 stops11h 56mAir Canada
Thu 23/105:30 a.m.SEA - YQB
2 stops11h 33mAir Canada
Deal found 10/9C$ 409
Wed 15/105:20 a.m.YQB - SEA
2 stops11h 56mAir Canada
Fri 24/107:30 a.m.SEA - YQB
1 stop8h 25mAir Canada
Deal found 10/9C$ 418
Thu 9/104:14 p.m.YQB - SEA
1 stop20h 35mAmerican Airlines
Mon 13/102:52 p.m.SEA - YQB
1 stop19h 44mAmerican Airlines
Deal found 10/9C$ 455
Thu 2/102:29 p.m.YQB - SEA
1 stop10h 35mAmerican Airlines
Sun 5/1012:34 a.m.SEA - YQB
1 stop10h 02mAmerican Airlines
Deal found 9/9C$ 457
Sat 11/107:45 p.m.YQB - SEA
1 stop18h 14mAir Canada
Thu 23/105:30 a.m.SEA - YQB
2 stops11h 33mAir Canada
Deal found 10/9C$ 459
Sat 11/107:45 p.m.YQB - SEA
1 stop18h 14mAir Canada
Sat 25/107:30 a.m.SEA - YQB
1 stop8h 25mAir Canada
Deal found 10/9C$ 467
Thu 16/104:14 p.m.YQB - SEA
2 stops32h 32mAmerican Airlines
Fri 24/102:52 p.m.SEA - YQB
2 stops21h 42mAmerican Airlines
Deal found 10/9C$ 481
Thu 16/105:20 a.m.YQB - SEA
2 stops11h 22mUnited Airlines
Sun 19/103:35 p.m.SEA - YQB
2 stops15h 25mUnited Airlines
Deal found 10/9C$ 491
Sat 11/107:45 p.m.YQB - SEA
1 stop18h 14mAir Canada
Fri 24/102:55 p.m.SEA - YQB
2 stops16h 25mAir Canada
Deal found 10/9C$ 493

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 629,999 searches. Data last updated 11 September 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 3/10

3:18 p.m.-10:30 p.m.

1 stop10h 12m

Seattle/Tacoma Intl

Mon 6/10

10:54 p.m.-12:02 p.m.

1 stop10h 08m

C$ 406

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Sat 25/10

11:40 p.m.-2:13 p.m.

1 stop11h 33m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Mon 20/10

12:43 p.m.-10:00 a.m.

2 stops18h 17m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Fri 24/10

10:54 p.m.-12:02 p.m.

1 stop10h 08m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Sun 19/10

8:30 a.m.-10:00 a.m.

2 stops22h 30m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Tue 21/10

10:54 p.m.-10:00 a.m.

1 stop8h 06m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Thu 23/10

11:10 a.m.-10:00 a.m.

2 stops19h 50m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 2/10

6:00 a.m.-9:44 p.m.

2 stops18h 44m

Seattle/Tacoma Intl

Mon 6/10

6:55 p.m.-2:16 p.m.

2 stops16h 21m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 17/10

10:50 a.m.-6:31 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Wed 22/10

10:54 p.m.-10:00 a.m.

1 stop8h 06m

C$ 407

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 2/10

5:20 a.m.-10:59 a.m.

1 stop8h 39m

C$ 230

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
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2

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 C$ 262). Flying from Québec City to Seattle in December is currently the most expensive (average of C$ 353). 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 YQB to SEA?

Find hourly flight availability from Québec City 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 11 September 2025.

One of the essential ways to save on airfare from Québec City to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 2% on airfare.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 11 September 2025.
Read reviews from past customers who have flown United Airlines,American Airlines, andAir Canada from Québec City to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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?

    A quick flight from Québec City to Seattle can take about 10h 12m. United Airlines provides one of the quickest options available for as low as C$ 406. There are 3780 km between Québec City and Seattle.

  • What are the cheapest airlines flying from Québec City to Seattle round-trip?

    According to our current data, American Airlines (C$ 314), Air Canada (C$ 369), and United Airlines (C$ 371) offers the cheapest pricing from Québec City to Seattle. American Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 230. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Québec City to Seattle for a low price.

  • 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 C$ 262). Flying from Québec City to Seattle in December is currently the most expensive (average of C$ 353). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Québec City to Seattle

Discover the top 3 airlines that operate flights from Québec City 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 314AverageC$ 611FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 369AverageC$ 625FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 371AverageC$ 589FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Québec City to Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Québec City today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Québec City to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Québec City to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Québec City to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Québec City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Québec City to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Québec City to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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