Find flights
When to book
FAQs

Cheap flights from Seattle to Québec City from C$ 534

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQB
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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 28 October 2025.

Round-trip from

C$ 516

Popular in

October

Cheapest in

June

Average price

C$ 912
Air Canada
  • Air Canada
  • 2/3-4/3
  • 3 total stops
  • 20h 29m total
  • Seattle to Québec City
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 28 October 2025.

Mon 10/1111:52 p.m.SEA - YQB
1 stop8h 10mUnited Airlines
Thu 13/112:55 p.m.YQB - SEA
1 stop10h 33mUnited Airlines
Deal found 27/10C$ 534
Tue 11/1111:34 p.m.SEA - YQB
1 stop11h 39mUnited Airlines
Fri 14/112:55 p.m.YQB - SEA
2 stops24h 23mUnited Airlines
Deal found 25/10C$ 548
Mon 10/118:10 a.m.SEA - YQB
2 stops11h 04mAir Canada
Tue 18/1110:35 a.m.YQB - SEA
2 stops14h 41mAir Canada
Deal found 26/10C$ 642
Mon 10/117:13 p.m.SEA - YQB
2 stops17h 39mUnited Airlines
Tue 18/112:55 p.m.YQB - SEA
1 stop10h 33mUnited Airlines
Deal found 26/10C$ 649
Mon 10/1112:41 p.m.SEA - YQB
3 stops22h 32mMultiple Airlines
Tue 18/1110:35 a.m.YQB - SEA
2 stops14h 41mMultiple Airlines
Deal found 26/10C$ 657
Thu 4/128:00 p.m.SEA - YQB
2 stops10h 48mAir Canada
Sun 7/125:00 a.m.YQB - SEA
2 stops12h 31mAir Canada
Deal found 26/10C$ 806
Wed 10/128:10 a.m.SEA - YQB
1 stop7h 28mAir Canada
Wed 17/121:40 p.m.YQB - SEA
2 stops11h 36mAir Canada
Deal found 25/10C$ 807
Thu 11/128:10 a.m.SEA - YQB
1 stop7h 28mAir Canada
Thu 18/1210:55 a.m.YQB - SEA
1 stop14h 21mAir Canada
Deal found 27/10C$ 814

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 28 October 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

Mon 10/11

11:52 p.m.-11:02 a.m.

1 stop8h 10m

Québec City

Thu 13/11

2:55 p.m.-10:28 p.m.

1 stop10h 33m

C$ 534

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Tue 11/11

11:34 p.m.-2:13 p.m.

1 stop11h 39m

Québec City

Fri 14/11

2:55 p.m.-12:18 p.m.

2 stops24h 23m

C$ 548

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Mon 10/11

8:10 a.m.-10:14 p.m.

2 stops11h 04m

Québec City

Tue 18/11

10:35 a.m.-10:16 p.m.

2 stops14h 41m

C$ 642

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Mon 10/11

7:13 p.m.-3:52 p.m.

2 stops17h 39m

Québec City

Tue 18/11

2:55 p.m.-10:28 p.m.

1 stop10h 33m

C$ 649

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Mon 10/11

12:41 p.m.-2:13 p.m.

3 stops22h 32m

Québec City

Tue 18/11

10:35 a.m.-10:16 p.m.

2 stops14h 41m

C$ 657

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 11/12

8:10 a.m.-6:38 p.m.

1 stop7h 28m

Québec City

Thu 18/12

7:05 p.m.-9:31 a.m.

2 stops17h 26m

C$ 806

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Wed 10/12

8:10 a.m.-6:38 p.m.

1 stop7h 28m

Québec City

Wed 17/12

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

2 stops11h 36m

C$ 807

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sat 20/12

7:28 p.m.-3:20 p.m.

2 stops40h 52m

C$ 667

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sat 20/12

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

1 stop11h 33m

C$ 1,290

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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 24 October 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Québec City, you should look to book at least 32 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, November is the cheapest month in which you can book a flight from Seattle to Québec City (average of C$ 152). Flying from Seattle to Québec City in December is currently the most expensive (average of C$ 534). 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?

    United Airlines can get you from Seattle to Québec City in just under 8h 10m. 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.

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Québec City (average of C$ 152). Flying from Seattle to Québec City in December is currently the most expensive (average of C$ 534). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Seattle to Québec City?

Deals for Seattle to Québec City flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Québec City for you. Better yet — we are completely free to use.

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.

Can Cheapflights notify me if prices for flights from Seattle to Québec City become cheaper?

Of course! You can now track prices for flights from Seattle to Québec City and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.