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Cheap flights from Seattle to Québec City from C$ 302

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQB
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Québec City

Enter your travel dates to find the best prices.

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 26 July 2026.

Thu 20/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
WestJet
Wed 26/87:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Deal found 24/7C$ 683
Sun 4/1010:30 a.m.
SEA
-
YQB
1 stop29h 10m
WestJet
Sat 10/107:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Deal found 21/7C$ 705
Tue 25/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
WestJet
Mon 31/87:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Deal found 24/7C$ 741
Tue 18/810:30 a.m.
SEA
-
YQB
1 stop29h 10m
WestJet
Tue 25/87:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Deal found 21/7C$ 751
Sat 22/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
WestJet
Tue 1/97:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Deal found 24/7C$ 760
Tue 25/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
WestJet
Tue 1/97:30 p.m.
YQB
-
SEA
1 stop17h 10m
WestJet
Deal found 24/7C$ 767
Fri 23/1010:30 a.m.
SEA
-
YQB
1 stop29h 10m
WestJet
Tue 27/107:30 p.m.
YQB
-
SEA
1 stop21h 50m
WestJet
Deal found 25/7C$ 778
Tue 18/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
Multiple Airlines
Tue 25/85:45 p.m.
YQB
-
SEA
2 stops19h 54m
Multiple Airlines
Deal found 21/7C$ 790
Thu 20/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
Multiple Airlines
Wed 26/87:30 p.m.
YQB
-
SEA
2 stops17h 35m
Multiple Airlines
Deal found 24/7C$ 798
Sat 22/87:00 a.m.
SEA
-
YQB
1 stop8h 40m
Multiple Airlines
Mon 31/87:30 p.m.
YQB
-
SEA
2 stops40h 49m
Multiple Airlines
Deal found 24/7C$ 812

Find 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 26 July 2026.

Round-trip from

C$ 683

One-way from

C$ 302

Popular in

June

Cheapest in

May

Average price

C$ 964
WestJet
  • WestJet
  • 20/8-26/8
  • 2 total stops
  • 25h 50m total
  • Seattle to Québec City
Search Deals
WestJet
  • WestJet
  • 15/8
  • 1 total stop
  • 8h 40m total
  • Seattle to Québec City
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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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 26 July 2026.
Use the filters below to find and compare flights from Seattle to Québec City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sun 4/10

10:30 a.m.-6:40 p.m.

1 stop29h 10m

Québec City

Sat 10/10

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

1 stop17h 10m

C$ 713

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Tue 18/8

10:30 a.m.-6:40 p.m.

1 stop29h 10m

Québec City

Tue 25/8

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

1 stop17h 10m

C$ 751

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 20/8

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

1 stop8h 40m

Québec City

Wed 26/8

7:30 p.m.-10:05 a.m.

2 stops17h 35m

C$ 798

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Fri 27/11

4:30 p.m.-12:52 p.m.

2 stops17h 22m

Québec City

Mon 7/12

2:00 p.m.-9:50 p.m.

1 stop10h 50m

C$ 847

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Tue 22/9

11:57 p.m.-1:53 p.m.

1 stop10h 56m

Québec City

Tue 6/10

1:47 p.m.-12:35 a.m.

2 stops13h 48m

C$ 861

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sun 23/8

10:00 p.m.-11:48 a.m.

1 stop10h 48m

Québec City

Tue 1/9

1:47 p.m.-11:50 a.m.

1 stop25h 03m

C$ 878

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Fri 4/9

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

1 stop20h 05m

Québec City

Fri 11/9

6:40 a.m.-10:00 a.m.

2 stops30h 20m

C$ 888

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Fri 4/9

9:58 p.m.-1:12 p.m.

1 stop12h 14m

Québec City

Fri 11/9

3:59 p.m.-11:40 a.m.

1 stop22h 41m

C$ 893
Quickest round-trip

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Mon 5/10

11:59 p.m.-1:48 p.m.

2 stops10h 49m

Québec City

Thu 8/10

1:47 p.m.-9:22 p.m.

1 stop10h 35m

C$ 900

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Wed 26/8

6:10 a.m.-3:16 p.m.

2 stops30h 06m

Québec City

Wed 2/9

3:56 p.m.-10:56 p.m.

1 stop10h 00m

C$ 906

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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 much does it cost to fly round-trip from Seattle to Québec City?

Airfare is below average for this route at the moment.

Seattle to Québec City flights typically cost between C$ 1,033 and C$ 1,170 in August.
The cheapest round-trip price found within the last 5 days was C$ 683 on WestJet (20 Aug-26 Aug).

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?

    WestJet can get you from Seattle to Québec City in just under 8h 40m. Your travel time can differ by up to . Seattle and Québec City are separated by a distance of 3780 km.

  • 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.

See more FAQs

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Québec City flexibly with Cheapflights today.

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