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Cheap flights from Québec City to Seattle from C$ 283

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Québec City to Seattle

Enter your travel dates to find the best prices.

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 17 March 2026.

Sat 9/57:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Fri 15/510:30 a.m.
SEA
-
YQB
1 stop29h 10m
WestJet
Deal found 14/3C$ 502
Wed 27/51:48 p.m.
YQB
-
SEA
1 stop10h 30m
American Airlines
Wed 3/63:06 p.m.
SEA
-
YQB
1 stop19h 11m
American Airlines
Deal found 12/3C$ 612
Mon 14/97:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Fri 18/97:35 p.m.
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 13/3C$ 619
Sat 2/57:30 p.m.
YQB
-
SEA
1 stop26h 15m
WestJet
Mon 4/57:35 p.m.
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 12/3C$ 650
Sat 9/51:55 p.m.
YQB
-
SEA
2 stops11h 45m
Multiple Airlines
Fri 15/57:35 p.m.
SEA
-
YQB
1 stop20h 05m
Multiple Airlines
Deal found 14/3C$ 713
Sat 2/57:30 p.m.
YQB
-
SEA
1 stop26h 15m
Multiple Airlines
Sat 9/57:35 p.m.
SEA
-
YQB
2 stops9h 55m
Multiple Airlines
Deal found 12/3C$ 817
Fri 1/56:00 a.m.
YQB
-
SEA
2 stops16h 48m
United Airlines
Sat 9/511:00 p.m.
SEA
-
YQB
1 stop10h 02m
United Airlines
Deal found 12/3C$ 820
Sun 13/95:45 p.m.
YQB
-
SEA
1 stop7h 57m
Air Canada
Fri 18/95:40 a.m.
SEA
-
YQB
1 stop8h 09m
Air Canada
Deal found 13/3C$ 826
Sun 19/75:40 p.m.
YQB
-
SEA
1 stop8h 08m
Air Canada
Fri 31/75:40 a.m.
SEA
-
YQB
1 stop8h 05m
Air Canada
Deal found 13/3C$ 827
Sat 2/510:25 a.m.
YQB
-
SEA
2 stops13h 43m
Air Canada
Mon 4/57:20 p.m.
SEA
-
YQB
2 stops11h 11m
Air Canada
Deal found 12/3C$ 832

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 17 March 2026.

Round-trip from

C$ 502

One-way from

C$ 283

Popular in

February

Cheapest in

March

Average price

C$ 381
WestJet
  • WestJet
  • 9/5-15/5
  • 2 total stops
  • 46h 20m total
  • Québec City to Seattle
Search Deals
WestJet
  • WestJet
  • 26/5
  • 1 total stop
  • 17h 10m total
  • Québec City to Seattle
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 358 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (C$ 147 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 629,999 searches. Data last updated 17 March 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

Sat 2/5

7:30 p.m.-6:45 p.m.

1 stop26h 15m

Seattle/Tacoma Intl

Mon 4/5

7:35 p.m.-6:40 p.m.

1 stop20h 05m

C$ 650

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 27/5

6:00 a.m.-6:47 p.m.

2 stops15h 47m

Seattle/Tacoma Intl

Wed 3/6

11:52 p.m.-10:41 p.m.

3 stops19h 49m

C$ 820

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 1/5

3:00 p.m.-11:59 p.m.

1 stop11h 59m

Seattle/Tacoma Intl

Sat 9/5

11:53 p.m.-2:03 p.m.

1 stop11h 10m

C$ 820

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 2/5

10:25 a.m.-9:08 p.m.

2 stops13h 43m

Seattle/Tacoma Intl

Mon 4/5

7:20 p.m.-9:31 a.m.

2 stops11h 11m

C$ 832

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 9/5

3:00 p.m.-10:47 p.m.

1 stop10h 47m

Seattle/Tacoma Intl

Fri 15/5

11:00 p.m.-12:02 p.m.

1 stop10h 02m

C$ 832

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 1/5

6:00 a.m.-7:48 p.m.

2 stops16h 48m

Seattle/Tacoma Intl

Mon 11/5

10:53 p.m.-2:03 p.m.

1 stop12h 10m

C$ 834
Quickest round-trip

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sun 13/9

5:45 p.m.-10:42 p.m.

1 stop7h 57m

Seattle/Tacoma Intl

Fri 18/9

10:30 a.m.-11:12 p.m.

2 stops9h 42m

C$ 843
Cheapest one-way

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 30/5

7:30 p.m.-9:40 a.m.

1 stop17h 10m

C$ 294
Quickest one-way

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 22/5

4:11 p.m.-10:58 p.m.

1 stop9h 47m

C$ 356

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 29/5

4:11 p.m.-10:58 p.m.

1 stop9h 47m

C$ 367

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
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.

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 17 March 2026.
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
9,431 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,431 reviews
United Airlines
7.4
Good
9,431 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.1
Good
11,466 reviews
United Airlines
7.4
Good
9,431 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,811 reviews
United Airlines
7.4
Good
9,431 reviews
Check prices

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 15h 47m. WestJet provides one of the quickest options available for as low as C$ 820. There are 3780 km between Québec City and Seattle. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, United Airlines (C$ 211), American Airlines (C$ 310), and Air Canada (C$ 388) offers the cheapest pricing from Québec City to Seattle. United Airlines is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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

Travelling to a place near Seattle?

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

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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 211AverageC$ 582FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 310AverageC$ 504FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 388AverageC$ 680FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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