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Cheap flights from Seattle to Quebec from C$ 156

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Quebec

Enter your travel dates to find the best prices.

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 18 December 2025.

Wed 24/121:25 p.m.SEA - YUL
2 stops32h 05mMultiple Airlines
Thu 8/17:30 p.m.YUL - SEA
1 stop21h 50mMultiple Airlines
Deal found 15/12C$ 605
Mon 29/1210:05 a.m.SEA - YUL
1 stop7h 55mAir Canada
Fri 9/17:30 a.m.YUL - SEA
1 stop10h 01mAir Canada
Deal found 15/12C$ 649
Mon 29/125:50 a.m.SEA - YUL
2 stops10h 24mAir Canada
Wed 7/11:05 p.m.YUL - SEA
2 stops12h 01mAir Canada
Deal found 15/12C$ 664
Mon 29/125:50 a.m.SEA - YUL
1 stop8h 10mAir Canada
Tue 6/110:30 p.m.YUL - SEA
2 stops19h 01mAir Canada
Deal found 15/12C$ 699
Wed 24/121:25 p.m.SEA - YUL
2 stops32h 05mMultiple Airlines
Fri 9/16:45 a.m.YUL - SEA
1 stop15h 32mMultiple Airlines
Deal found 15/12C$ 736
Sun 28/129:25 a.m.SEA - YUL
2 stops12h 18mWestJet
Thu 8/17:30 p.m.YUL - SEA
1 stop21h 50mWestJet
Deal found 15/12C$ 751
Sat 27/129:25 a.m.SEA - YUL
2 stops12h 18mWestJet
Thu 8/17:30 p.m.YUL - SEA
1 stop21h 50mWestJet
Deal found 15/12C$ 836
Thu 25/1211:10 p.m.SEA - YUL
1 stop14h 17mMultiple Airlines
Thu 8/17:30 p.m.YUL - SEA
1 stop21h 50mMultiple Airlines
Deal found 15/12C$ 876
Mon 29/1210:05 a.m.SEA - YUL
1 stop7h 55mAir Canada
Mon 5/19:00 p.m.YUL - SEA
1 stop15h 15mAir Canada
Deal found 15/12C$ 886
Thu 25/129:25 a.m.SEA - YOW
2 stops12h 17mWestJet
Sun 28/125:40 a.m.YOW - SEA
2 stops28h 40mWestJet
Deal found 16/12C$ 1,257
Fri 26/127:45 p.m.SEA - YOW
2 stops25h 55mWestJet
Sun 28/125:40 a.m.YOW - SEA
2 stops31h 24mWestJet
Deal found 16/12C$ 1,330
Fri 19/129:32 a.m.SEA - YOW
2 stops12h 10mWestJet
Sun 21/126:00 a.m.YOW - SEA
2 stops13h 45mWestJet
Deal found 16/12C$ 1,400

Find flight deals from Seattle to Quebec

Keep the following information in mind while searching for Seattle to Quebec flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 343

One-way from

C$ 156

Popular in

December

Cheapest in

September

Average price

C$ 1,039
WestJet
  • WestJet
  • 26/4-29/4
  • 2 total stops
  • 17h 00m total
  • Seattle to Quebec
Search Deals
26/1
  • 26/1
  • 2 total stops
  • 14h 54m total
  • Seattle to Quebec
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 18 December 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

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 25/1

9:25 p.m.-7:05 a.m.

2 stops30h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

6:45 a.m.-7:17 p.m.

1 stop15h 32m

C$ 415

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 21/1

11:05 p.m.-2:45 p.m.

1 stop12h 40m

Ottawa

Wed 28/1

5:40 a.m.-2:20 p.m.

2 stops35h 40m

C$ 417

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 22/1

3:10 p.m.-6:21 p.m.

2 stops24h 11m

Ottawa

Sun 25/1

5:40 a.m.-2:20 p.m.

2 stops35h 40m

C$ 422

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/4

3:10 p.m.-6:23 p.m.

2 stops24h 13m

Ottawa

Sun 19/4

5:40 a.m.-2:19 p.m.

2 stops35h 39m

C$ 422

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 12/1

3:10 p.m.-12:43 a.m.

2 stops30h 33m

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

6:45 a.m.-2:20 p.m.

2 stops34h 35m

C$ 428

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 13/1

11:05 p.m.-2:45 p.m.

1 stop12h 40m

Ottawa

Tue 20/1

5:40 a.m.-7:17 p.m.

1 stop16h 37m

C$ 438

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 30/1

10:51 a.m.-7:05 a.m.

2 stops17h 14m

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

6:45 a.m.-7:17 p.m.

1 stop15h 32m

C$ 449

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 21/1

3:10 p.m.-12:42 a.m.

2 stops30h 32m

Ottawa

Wed 28/1

5:40 a.m.-2:20 p.m.

2 stops35h 40m

C$ 460

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 9/1

8:00 p.m.-6:43 a.m.

1 stop7h 43m

Ottawa

Mon 12/1

4:15 p.m.-10:16 p.m.

1 stop9h 01m

C$ 481

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 21/1

5:50 a.m.-3:46 p.m.

1 stop6h 56m

Ottawa

Mon 26/1

4:15 p.m.-10:16 p.m.

1 stop9h 01m

C$ 481

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 38 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, April is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 207). Flying from Seattle to Quebec in December is currently the most expensive (average of C$ 506). 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 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 18 December 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
10,534 reviews
Check prices

Entertainment

6.8

Food

6.3

Crew

7.8

Boarding

7.3

Overall

7.1

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,534 reviews
Air Canada
7.1
Good
10,534 reviews
Check prices

Entertainment

6.8

Food

6.3

Crew

7.8

Boarding

7.3

Overall

7.1

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

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 13h 02m. WestJet provides one of the quickest options available for as low as C$ 810. 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$ 133. Users have also found prices from C$ 237 and C$ 329 on Air Canada 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.

  • 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, April is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 207). Flying from Seattle to Quebec in December is currently the most expensive (average of C$ 506). 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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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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