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Cheap flights from Seattle to Québec City from C$ 164

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQB
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Québec City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Québec City (YQB). 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$ 424

One-way from

C$ 164

Popular in

December

Cheapest in

November

Average price

C$ 831
Air Canada
  • Air Canada
  • 12/10-15/10
  • 2 total stops
  • 15h 20m total
  • Seattle to Québec City
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WestJet
  • WestJet
  • 23/9
  • 1 total stop
  • 7h 22m total
  • Seattle to Québec City
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High demand for flights, 10% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (C$ 37 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 Seattle to Québec City

Cheapest flights from Seattle to Québec City
Explore the most affordable flight options available from Seattle to Québec City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sun 12/107:15 a.m.SEA - YQB
1 stop7h 15mAir Canada
Wed 15/104:40 p.m.YQB - SEA
1 stop8h 05mAir Canada
Deal found 9/9C$ 424
Wed 29/1011:31 a.m.SEA - YQB
1 stop23h 05mAmerican Airlines
Fri 31/104:14 p.m.YQB - SEA
1 stop31h 32mAmerican Airlines
Deal found 10/9C$ 430
Sat 11/107:15 p.m.SEA - YQB
2 stops12h 05mAir Canada
Wed 15/104:40 p.m.YQB - SEA
1 stop8h 05mAir Canada
Deal found 9/9C$ 439
Sat 11/102:52 p.m.SEA - YQB
1 stop19h 44mAmerican Airlines
Wed 15/104:14 p.m.YQB - SEA
1 stop20h 35mAmerican Airlines
Deal found 11/9C$ 442
Sun 5/106:00 a.m.SEA - YQB
1 stop13h 41mMultiple Airlines
Wed 8/105:20 a.m.YQB - SEA
1 stop8h 39mMultiple Airlines
Deal found 9/9C$ 453
Tue 23/97:15 a.m.SEA - YQB
1 stop12h 40mAir Canada
Fri 26/95:20 a.m.YQB - SEA
1 stop8h 39mAir Canada
Deal found 9/9C$ 470
Thu 11/128:15 a.m.SEA - YQB
1 stop11h 28mAir Canada
Thu 18/1210:55 a.m.YQB - SEA
2 stops14h 21mAir Canada
Deal found 8/9C$ 473

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Québec City 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 Seattle to Québec City that are best for you.

Fly from

Seattle

Fly to

Québec City

Route

Depart

Return

Price

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sun 12/10

7:15 a.m.-5:30 p.m.

1 stop7h 15m

Québec City

Wed 15/10

4:40 p.m.-9:45 p.m.

1 stop8h 05m

C$ 424

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sat 11/10

7:15 p.m.-10:20 a.m.

2 stops12h 05m

Québec City

Wed 15/10

4:40 p.m.-9:45 p.m.

1 stop8h 05m

C$ 439

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sat 11/10

2:52 p.m.-1:36 p.m.

1 stop19h 44m

Québec City

Wed 15/10

4:14 p.m.-9:49 a.m.

1 stop20h 35m

C$ 442

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sun 5/10

6:00 a.m.-10:41 p.m.

1 stop13h 41m

Québec City

Wed 8/10

5:20 a.m.-2:16 p.m.

2 stops11h 56m

C$ 460

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 11/12

8:15 a.m.-10:43 p.m.

1 stop11h 28m

Québec City

Thu 18/12

10:55 a.m.-10:16 p.m.

2 stops14h 21m

C$ 473

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 23/10

10:00 a.m.-10:50 p.m.

2 stops9h 50m

Québec City

Mon 27/10

1:40 p.m.-10:16 p.m.

2 stops11h 36m

C$ 485

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Tue 23/9

6:25 a.m.-10:41 p.m.

2 stops13h 16m

Québec City

Fri 26/9

10:50 a.m.-9:23 p.m.

2 stops13h 33m

C$ 503

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Wed 29/10

11:59 p.m.-2:13 p.m.

2 stops11h 14m

Québec City

Fri 31/10

6:00 a.m.-6:05 p.m.

2 stops15h 05m

C$ 503

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 23/10

6:00 a.m.-10:41 p.m.

1 stop13h 41m

Québec City

Mon 27/10

5:10 p.m.-9:31 a.m.

2 stops19h 21m

C$ 511

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sat 4/10

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

1 stop10h 08m

Québec City

Sun 12/10

8:35 p.m.-10:59 a.m.

2 stops17h 24m

C$ 517

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
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Best time to book a flight from Seattle to Québec City

Have a flexible travel schedule? Discover the best time to fly to Québec City from Seattle 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 Seattle to Québec City

How far ahead should I book a flight from Seattle to Québec City?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Québec City. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Québec City, you should look to book at least 3 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Québec City?

Currently, May is the cheapest month in which you can book a flight from Seattle to Québec City (average of C$ 258). Flying from Seattle to Québec City in December is currently the most expensive (average of C$ 432). 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.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Québec City. 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 Seattle to Québec City?

    Air Canada and American Airlines can get you from Seattle to Québec City in just under 7h 15m. Your travel time can differ by up to 12h 29m. Seattle and Québec City are separated by a distance of 3780 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Seattle to Québec City that include hotel bookings?

    Yes. In addition to deals on Seattle to Québec City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Québec City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Québec City.

  • Can I find deals for business class flights from Seattle to Québec City?

    Yes. Cheapflights offers flight deals from Seattle to Québec City 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 Seattle to Québec City?

    Currently, May is the cheapest month in which you can book a flight from Seattle to Québec City (average of C$ 258). Flying from Seattle to Québec City in December is currently the most expensive (average of C$ 432). 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 Québec City?

Book flights to Québec City if you plan to visit one of these locations
Victoriaville

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