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Cheap flights from Québec City to Seattle from C$ 274

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
28 Feb — 7 Mar1
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 29 January 2026.

Thu 4/61:55 p.m.
YQB
-
SEA
2 stops11h 25m
Air Canada
Sat 13/67:20 p.m.
SEA
-
YQB
2 stops11h 11m
Air Canada
Deal found 27/1C$ 783
Wed 27/56:00 a.m.
YQB
-
SEA
1 stop9h 59m
United Airlines
Sat 30/510:45 p.m.
SEA
-
YQB
1 stop9h 56m
United Airlines
Deal found 26/1C$ 787
Sat 14/36:00 a.m.
YQB
-
SEA
2 stops18h 14m
United Airlines
Sat 21/311:59 p.m.
SEA
-
YQB
1 stop8h 03m
United Airlines
Deal found 28/1C$ 789
Wed 27/51:55 p.m.
YQB
-
SEA
2 stops11h 25m
Air Canada
Sat 30/55:40 a.m.
SEA
-
YQB
2 stops10h 35m
Air Canada
Deal found 26/1C$ 791
Sat 14/34:50 p.m.
YQB
-
SEA
1 stop8h 26m
Air Canada
Sat 21/38:00 a.m.
SEA
-
YQB
1 stop7h 38m
Air Canada
Deal found 28/1C$ 809
Thu 7/55:00 a.m.
YQB
-
SEA
2 stops16h 00m
United Airlines
Sun 10/56:58 p.m.
SEA
-
YQB
2 stops14h 04m
United Airlines
Deal found 28/1C$ 873
Mon 2/31:40 p.m.
YQB
-
SEA
2 stops12h 17m
Air Canada
Thu 5/38:00 a.m.
SEA
-
YQB
1 stop7h 38m
Air Canada
Deal found 27/1C$ 910

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 29 January 2026.

Round-trip from

C$ 783

One-way from

C$ 274

Popular in

February

Cheapest in

January

Average price

C$ 390
Air Canada
  • Air Canada
  • 4/6-13/6
  • 3 total stops
  • 19h 01m total
  • Québec City to Seattle
Search Deals
American Airlines
  • American Airlines
  • 27/5
  • 1 total stop
  • 12h 15m total
  • Québec City to Seattle
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 29 January 2026.
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

Thu 4/6

1:55 p.m.-10:20 p.m.

2 stops11h 25m

Seattle/Tacoma Intl

Sat 13/6

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

2 stops11h 11m

C$ 783

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 7/5

1:05 p.m.-7:37 p.m.

1 stop9h 32m

Seattle/Tacoma Intl

Sun 10/5

5:40 a.m.-4:26 p.m.

1 stop7h 46m

C$ 785

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 27/5

6:00 a.m.-12:59 p.m.

1 stop9h 59m

Seattle/Tacoma Intl

Sat 30/5

10:45 p.m.-11:41 a.m.

1 stop9h 56m

C$ 787

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 7/5

3:05 p.m.-10:42 p.m.

1 stop10h 37m

Seattle/Tacoma Intl

Sun 10/5

6:58 p.m.-12:02 p.m.

2 stops14h 04m

C$ 789

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sat 14/3

6:00 a.m.-9:14 p.m.

2 stops18h 14m

Seattle/Tacoma Intl

Sat 21/3

11:59 p.m.-11:02 a.m.

1 stop8h 03m

C$ 789

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 27/5

1:55 p.m.-10:20 p.m.

2 stops11h 25m

Seattle/Tacoma Intl

Sat 30/5

5:40 a.m.-7:15 p.m.

2 stops10h 35m

C$ 791

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 27/5

2:24 p.m.-11:39 p.m.

1 stop12h 15m

C$ 274

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sun 17/5

5:30 p.m.-10:20 p.m.

1 stop7h 50m

C$ 430

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 13/3

6:00 a.m.-7:28 p.m.

2 stops16h 28m

C$ 434

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 27/5

6:00 a.m.-11:21 p.m.

3 stops20h 21m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

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.

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 29 January 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
9,215 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
7.2
Good
11,206 reviews
United Airlines
7.4
Good
9,215 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
10,667 reviews
United Airlines
7.4
Good
9,215 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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 11h 25m. Air Canada provides one of the quickest options available for as low as C$ 783. 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, United Airlines (C$ 209), Air Canada (C$ 264), and American Airlines (C$ 308) offers the cheapest pricing from Québec City to Seattle. United Airlines is 67% 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
Leavenworth
SeaTac
Mukilteo
Tacoma
Kent
Tukwila
Bothell
Cashmere
Olympia
Renton
Lynnwood
Marysville
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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 209AverageC$ 547FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 264AverageC$ 522FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 308AverageC$ 500FlexibilityNo cancel feeOn-time71%
Search American 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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