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Cheap flights from Seattle to Quebec from C$ 152

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Quebec

Keep the following information in mind while searching for Seattle to Quebec flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 342

One-way from

C$ 152

Popular in

February

Cheapest in

September

Average price

C$ 694

Good round-trip deal

C$ 1,111 or less
WestJet
  • WestJet
  • 17/10-20/10
  • 3 total stops
  • 22h 41m total
  • Seattle to Quebec
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WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 7h 36m total
  • Seattle to Quebec
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 118 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Quebec.
Search Deals

Find flight deals from Seattle to Quebec

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

Fri 17/108:40 a.m.SEA - YOW
2 stops12h 42mWestJet
Mon 20/106:00 a.m.YOW - SEA
1 stop9h 59mWestJet
Deal found 9/9C$ 342
Wed 8/101:50 p.m.SEA - YOW
1 stop7h 50mWestJet
Thu 23/106:00 a.m.YOW - SEA
1 stop9h 59mWestJet
Deal found 10/9C$ 362
Tue 21/107:05 a.m.SEA - YOW
1 stop8h 15mWestJet
Thu 23/105:55 a.m.YOW - SEA
2 stops10h 04mWestJet
Deal found 10/9C$ 376
Thu 16/101:50 p.m.SEA - YOW
1 stop7h 50mWestJet
Sun 19/105:55 a.m.YOW - SEA
2 stops34h 04mWestJet
Deal found 9/9C$ 388
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
Thu 25/98:40 a.m.SEA - YUL
2 stops12h 47mMultiple Airlines
Sun 28/97:30 a.m.YUL - SEA
1 stop17h 46mMultiple Airlines
Deal found 8/9C$ 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
Thu 25/98:40 a.m.SEA - YUL
2 stops12h 47mWestJet
Sun 28/96:45 a.m.YUL - SEA
2 stops40h 44mWestJet
Deal found 8/9C$ 457
Tue 23/97:05 a.m.SEA - YUL
2 stops14h 22mWestJet
Mon 29/96:45 a.m.YUL - SEA
2 stops16h 44mWestJet
Deal found 9/9C$ 461

Cheapflights Fare Finder

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

Fly from

Seattle

Fly to

Quebec

Route

Depart

Return

Price

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 17/10

8:40 a.m.-12:22 a.m.

2 stops12h 42m

Ottawa

Mon 20/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 342

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 8/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Ottawa

Thu 23/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 362

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 21/10

7:05 a.m.-6:20 p.m.

1 stop8h 15m

Ottawa

Thu 23/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 362

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/10

1:50 p.m.-12:40 a.m.

1 stop7h 50m

Ottawa

Sun 19/10

5:55 a.m.-12:59 p.m.

2 stops34h 04m

C$ 388

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 17/10

8:40 a.m.-12:22 a.m.

2 stops12h 42m

Ottawa

Sun 19/10

5:55 a.m.-12:59 p.m.

2 stops34h 04m

C$ 395

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

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 29/9

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

1 stop17h 46m

Ottawa

Tue 30/9

12:30 p.m.-6:31 p.m.

1 stop9h 01m

C$ 446

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 47 results
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Best time to book a flight from Seattle to Quebec

Have a flexible travel schedule? Discover the best time to fly to Quebec 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 Quebec

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 241). Flying from Seattle to Quebec in April is currently the most expensive (average of C$ 317). 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 QC?

Find hourly flight availability from Seattle to Quebec. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Quebec as you normally would.

Weekly flight availability from Seattle to Quebec

Explore weekly flight availability from Seattle to Quebec. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 September 2025.

The most flights from SEA to CAQC are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Quebec

Get insights into the airlines that provide service to Quebec. 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 Quebec. Reviews last updated 11 September 2025.
Read through reviews of airlines operating flights from Seattle to Quebec, such as Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,000 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.
Air Canada
7.1
Good
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Comfort

7.1

Overall

7.1

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Quebec. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Quebec?

    Located just 18.4 km from the city centre, Seattle/Tacoma Intl (SEA) is the airport most travellers will use when flying to Quebec from Seattle.

  • How long is the flight from Seattle to Quebec?

    A quick flight from Seattle to Quebec can take about 7h 15m. WestJet provides one of the quickest options available for as low as C$ 424. Airlines will cover a distance of 3780 km. This flight may include one or multiple stops.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 152. Users have also found prices from C$ 191 and C$ 200 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Seattle to Quebec?

    The most popular flight routes from Seattle to Quebec are Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Seattle/Tacoma Intl - Québec City and Seattle/Tacoma Intl - Ottawa.

  • What are the cheapest flights from Seattle to Quebec?

    Looking for the cheapest flight from Seattle to Quebec? While on average our users pay C$ 1,113, our data indicates the cheapest price to be C$ 677. The most popular route (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), is priced around C$ 442.

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

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

  • How can I find direct flights from Seattle to Quebec?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Quebec 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 Quebec?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 241). Flying from Seattle to Quebec in April is currently the most expensive (average of C$ 317). 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

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Alternative routes for Seattle to Quebec

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Seattle to Quebec

Discover the top airline that operate flights from Seattle to Quebec. 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 677AverageC$ 990FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Quebec?

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Quebec from Seattle.

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

Need flexible booking options for your flight to Quebec from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Seattle to Quebec on Cheapflights with our Price Alert feature and get notified when better prices are available.

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