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Québec City

$140+ Cheap flights from Seattle (SEA) to Québec City (YQB)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQB
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Québec City are usually found in November or June, booked 11 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 August 14, 2025.

Round-trip from

$339
(Air Canada)

One-way from

$140
(Air Canada)

Popular in

December

Cheapest in

November

Average price

$459
From Seattle/Tacoma Intl to Québec City
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One-way flight from Seattle/Tacoma Intl 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 ($19 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:15 amSEA - YQB
1 stop7h 15mAir Canada
Wed 10/157:25 amYQB - SEA
2 stops9h 51mAir Canada
Deal found 8/14$339
This United deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/54:47 pmSEA - YQB
1 stop18h 29mMultiple Airlines
Thu 10/95:20 amYQB - SEA
1 stop8h 39mMultiple Airlines
Deal found 8/14$345
This deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:10 pmSEA - YQB
1 stop7h 50mUnited Airlines
Tue 9/2310:50 amYQB - SEA
1 stop9h 37mUnited Airlines
Deal found 8/14$348
This United deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:35 pmSEA - YQB
2 stops13h 25mMultiple Airlines
Fri 9/125:20 amYQB - SEA
1 stop8h 39mMultiple Airlines
Deal found 8/13$354
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:34 amSEA - YQB
2 stops12h 00mAmerican Airlines
Wed 10/154:14 pmYQB - SEA
1 stop24h 32mAmerican Airlines
Deal found 8/14$358
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:30 amSEA - YQB
1 stop9h 37mAir Canada
Mon 9/87:55 pmYQB - SEA
1 stop18h 04mAir Canada
Deal found 8/14$364
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:30 amSEA - YQB
1 stop11h 40mAir Canada
Wed 10/227:25 amYQB - SEA
2 stops9h 51mAir Canada
Deal found 8/14$369

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 2,558,603 searches. Data last updated August 14, 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

Sat 10/11

7:15 am-5:30 pm

1 stop7h 15m

Québec City

Wed 10/15

7:25 am-2:16 pm

2 stops9h 51m

$339

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sat 9/6

7:15 am-5:30 pm

1 stop7h 15m

Québec City

Fri 9/12

5:20 am-10:59 am

1 stop8h 39m

$340

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 10/16

5:30 am-8:03 pm

2 stops11h 33m

Québec City

Wed 10/22

7:25 am-2:16 pm

2 stops9h 51m

$344

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Sun 10/5

4:47 pm-2:16 pm

1 stop18h 29m

Québec City

Thu 10/9

5:20 am-10:59 am

1 stop8h 39m

$345

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Fri 9/19

11:10 pm-10:00 am

1 stop7h 50m

Québec City

Tue 9/23

10:50 am-5:27 pm

1 stop9h 37m

$348

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Tue 9/23

7:15 am-5:30 pm

1 stop7h 15m

$140

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Fri 9/12

5:35 pm-10:00 am

2 stops13h 25m

$145

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Mon 9/15

11:54 pm-2:16 pm

1 stop11h 22m

$145

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Fri 9/12

5:30 am-8:03 pm

2 stops11h 33m

$145

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 9/25

7:15 am-5:30 pm

1 stop7h 15m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 11 results
1
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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 August 8, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Québec City, you should look to book at least 9 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, February is the cheapest month in which you can book a flight from Seattle to Québec City (average of $363). Flying from Seattle to Québec City in September is currently the most expensive (average of $584). 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.

What is the cheapest time of day to fly from SEA to YQB?

Find hourly flight availability from Seattle to Québec City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Seattle to Québec City is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 56% on airfare.

Reviews of airlines servicing Québec City

Get insights into the airlines that provide service to Québec City. 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 Québec City. Reviews last updated August 14, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Air Canada from Seattle to Québec City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,949 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines flying from Seattle to Québec City round-trip?

    United Airlines, at $185, was found to be the cheapest airline from Seattle to Québec City.Alternate airlines to your destination round-trip include Air Canada and American Airlines. Users have found that United Airlines is 61% cheaper than the other options available to this destination.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Québec City (average of $363). Flying from Seattle to Québec City in September is currently the most expensive (average of $584). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Seattle to Québec City

Discover the top 3 airlines that operate flights from Seattle to Québec City. 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$185Average$627FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$269Average$591FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$405Average$619FlexibilityNo cancel feeOn-time71%

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