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Cheap flights from Québec City to Seattle from C$ 285

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
28 May — 4 Jun1
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 28 April 2026.

Thu 11/67:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Thu 18/67:00 a.m.
SEA
-
YQB
1 stop8h 40m
WestJet
Deal found 27/4C$ 481
Tue 30/64:11 p.m.
YQB
-
SEA
2 stops20h 16m
American Airlines
Thu 9/73:28 p.m.
SEA
-
YQB
1 stop18h 46m
American Airlines
Deal found 25/4C$ 570
Sat 27/67:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Sun 12/77:35 p.m.
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 25/4C$ 583
Wed 27/51:57 p.m.
YQB
-
SEA
1 stop13h 19m
American Airlines
Sat 6/66:00 a.m.
SEA
-
YQB
1 stop8h 15m
American Airlines
Deal found 26/4C$ 586
Tue 9/61:57 p.m.
YQB
-
SEA
1 stop22h 30m
American Airlines
Tue 16/610:35 p.m.
SEA
-
YQB
1 stop13h 56m
American Airlines
Deal found 24/4C$ 589
Thu 28/57:30 p.m.
YQB
-
SEA
1 stop26h 15m
WestJet
Wed 10/67:35 p.m.
SEA
-
YQB
1 stop20h 05m
WestJet
Deal found 25/4C$ 592
Wed 1/74:11 p.m.
YQB
-
SEA
2 stops25h 05m
American Airlines
Mon 6/71:39 p.m.
SEA
-
YQB
2 stops20h 30m
American Airlines
Deal found 25/4C$ 634
Sun 24/54:11 p.m.
YQB
-
SEA
1 stop22h 35m
American Airlines
Sat 13/61:46 p.m.
SEA
-
YQB
2 stops22h 45m
American Airlines
Deal found 25/4C$ 657
Thu 11/65:00 a.m.
YQB
-
SEA
2 stops12h 20m
Multiple Airlines
Thu 18/67:00 a.m.
SEA
-
YQB
1 stop8h 40m
Multiple Airlines
Deal found 27/4C$ 668
Fri 12/64:11 p.m.
YQB
-
SEA
1 stop9h 47m
American Airlines
Fri 19/611:24 p.m.
SEA
-
YQB
2 stops10h 52m
American Airlines
Deal found 28/4C$ 695

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 28 April 2026.

Round-trip from

C$ 481

One-way from

C$ 285

Popular in

February

Cheapest in

June

Average price

C$ 883
WestJet
  • WestJet
  • 11/6-18/6
  • 2 total stops
  • 25h 50m total
  • Québec City to Seattle
Search Deals
WestJet
  • WestJet
  • 26/9
  • 1 total stop
  • 17h 10m total
  • Québec City to Seattle
Search Deals
Highest demand for flights based on searches. 38% potential increase in price (C$ 679 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (C$ 151 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 629,999 searches. Data last updated 28 April 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 11/6

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

1 stop17h 10m

Seattle/Tacoma Intl

Thu 18/6

7:00 a.m.-6:40 p.m.

1 stop8h 40m

C$ 481

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 28/5

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

1 stop26h 15m

Seattle/Tacoma Intl

Wed 10/6

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

1 stop20h 05m

C$ 592

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sun 24/5

4:11 p.m.-11:46 a.m.

1 stop22h 35m

Seattle/Tacoma Intl

Sat 13/6

1:46 p.m.-3:31 p.m.

2 stops22h 45m

C$ 657

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 27/5

1:48 p.m.-11:46 a.m.

1 stop24h 58m

Seattle/Tacoma Intl

Sat 13/6

1:46 p.m.-1:09 p.m.

2 stops20h 23m

C$ 657

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 11/6

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

1 stop26h 15m

Seattle/Tacoma Intl

Thu 18/6

10:30 a.m.-12:21 p.m.

3 stops22h 51m

C$ 679

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/6

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

1 stop9h 47m

Seattle/Tacoma Intl

Fri 19/6

3:05 p.m.-1:16 p.m.

1 stop19h 11m

C$ 744
Quickest round-trip

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 10/9

1:40 p.m.-10:42 p.m.

2 stops12h 02m

Seattle/Tacoma Intl

Mon 14/9

8:00 a.m.-7:12 p.m.

1 stop8h 12m

C$ 773

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Mon 27/7

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

3 stops15h 15m

Seattle/Tacoma Intl

Mon 3/8

7:00 a.m.-6:40 p.m.

1 stop8h 40m

C$ 791

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Mon 27/7

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

1 stop17h 10m

Seattle/Tacoma Intl

Mon 3/8

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

1 stop20h 05m

C$ 803

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 30/6

3:05 p.m.-10:36 p.m.

1 stop10h 31m

Seattle/Tacoma Intl

Sat 11/7

5:00 a.m.-10:41 p.m.

2 stops14h 41m

C$ 806

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 19 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.

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?

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 28 April 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
9,680 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,680 reviews
United Airlines
7.4
Good
9,680 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,680 reviews
United Airlines
7.4
Good
9,680 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,979 reviews
United Airlines
7.4
Good
9,680 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 17h 10m. WestJet provides one of the quickest options available for as low as C$ 481. 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$ 210), Air Canada (C$ 265), and American Airlines (C$ 309) offers the cheapest pricing from Québec City to Seattle. United Airlines is 74% 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
Kent
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
Kirkland
Tukwila

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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 210AverageC$ 549FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 265AverageC$ 778FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 309AverageC$ 502FlexibilityNo 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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