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Cheap flights from Seattle to Québec City from C$ 145

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQB
17 jun. — 24 jun.1
1 adult

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 12 junio 2025.

Round-trip from

C$ 381

One-way from

C$ 145

Popular in

December

Cheapest in

November

Average price

C$ 487
WestJet
  • WestJet
  • 24/7-31/7
  • 2 total stops
  • 34h 30m total
  • Seattle to Québec City
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United Airlines
  • United Airlines
  • 30/6
  • 1 total stop
  • 17h 53m total
  • Seattle to Québec City
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 5% potential price decrease (C$ 47 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 junio 2025.

jue. 24/77:05 a.m.SEA - YQB
1 stop7h 22mWestJet
jue. 31/76:30 p.m.YQB - SEA
1 stop27h 08mWestJet
Deal found 10/6C$ 381
sáb. 5/77:20 a.m.SEA - YQB
1 stop7h 10mAir Canada
sáb. 5/78:15 p.m.YQB - SEA
2 stops16h 06mAir Canada
Deal found 10/6C$ 406
jue. 21/812:45 a.m.SEA - YQB
1 stop9h 59mAmerican Airlines
mié. 27/84:14 p.m.YQB - SEA
1 stop10h 26mAmerican Airlines
Deal found 12/6C$ 429
sáb. 28/611:45 p.m.SEA - YQB
1 stop11h 31mUnited Airlines
mar. 2/93:18 p.m.YQB - SEA
1 stop10h 02mUnited Airlines
Deal found 10/6C$ 447
mié. 23/712:20 a.m.SEA - YQB
2 stops18h 50mMultiple Airlines
jue. 31/75:20 a.m.YQB - SEA
1 stop8h 40mMultiple Airlines
Deal found 10/6C$ 589

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 12 junio 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

jue. 24/7

7:05 a.m.-5:27 p.m.

1 stop7h 22m

Québec City

jue. 31/7

6:30 p.m.-6:38 p.m.

1 stop27h 08m

C$ 381

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

sáb. 5/7

7:20 a.m.-5:30 p.m.

1 stop7h 10m

Québec City

sáb. 5/7

8:15 p.m.-9:21 a.m.

2 stops16h 06m

C$ 406

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

jue. 21/8

12:45 a.m.-1:44 p.m.

1 stop9h 59m

Québec City

mié. 27/8

4:14 p.m.-11:40 p.m.

1 stop10h 26m

C$ 429

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

sáb. 28/6

11:45 p.m.-2:16 p.m.

1 stop11h 31m

Québec City

mar. 2/9

3:18 p.m.-10:20 p.m.

1 stop10h 02m

C$ 447

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

mié. 23/7

12:20 a.m.-10:10 p.m.

2 stops18h 50m

Québec City

jue. 31/7

5:20 a.m.-11:00 a.m.

1 stop8h 40m

C$ 589

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

lun. 30/6

5:23 p.m.-2:16 p.m.

1 stop17h 53m

C$ 145

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

jue. 31/7

7:05 a.m.-5:27 p.m.

1 stop7h 22m

C$ 168

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

mar. 15/7

10:43 p.m.-3:30 p.m.

1 stop13h 47m

C$ 175

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

dom. 21/9

5:30 a.m.-8:03 p.m.

2 stops11h 33m

C$ 185

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

sáb. 20/9

4:58 p.m.-10:56 p.m.

3 stops26h 58m

C$ 319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 9 June 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Québec City, you should look to book at least 83 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.

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 12 junio 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and WestJet from Seattle to Québec City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

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
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

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??
WestJet
7.2
Good
2,868 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

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
9,531 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.0

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?

    Cheapflights users have booked flights from Seattle to Québec City round-trip from C$ 381. Other airlines that can offer you cheap pricing are Air Canada, from C$ 406, and American Airlines, from C$ 429. WestJet is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Québec City one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 145. Users have also found prices from C$ 168 and C$ 175 on WestJet and American Airlines, respectively.

  • 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 Seattle?

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