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Cheap flights from Seattle to Quebec from C$ 146

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
8 Mar — 15 Mar1
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 6 February 2026.

Thu 28/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Wed 3/68:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 4/2C$ 387
Fri 22/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Wed 27/58:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 3/2C$ 389
Fri 29/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Mon 1/68:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 5/2C$ 395
Fri 8/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Sat 16/57:25 p.m.
YUL
-
SEA
2 stops17h 15m
WestJet
Deal found 2/2C$ 409
Thu 16/43:10 p.m.
SEA
-
YOW
2 stops24h 13m
WestJet
Sun 19/46:00 a.m.
YOW
-
SEA
1 stop11h 19m
WestJet
Deal found 4/2C$ 427
Mon 2/33:10 p.m.
SEA
-
YUL
1 stop12h 55m
WestJet
Mon 9/37:30 p.m.
YUL
-
SEA
1 stop21h 49m
WestJet
Deal found 4/2C$ 431
Tue 3/33:10 p.m.
SEA
-
YUL
1 stop12h 55m
WestJet
Tue 10/34:15 p.m.
YUL
-
SEA
1 stop25h 04m
WestJet
Deal found 2/2C$ 439
Sat 18/48:00 a.m.
SEA
-
YOW
1 stop7h 34m
Multiple Airlines
Tue 21/46:00 a.m.
YOW
-
SEA
1 stop11h 19m
Multiple Airlines
Deal found 4/2C$ 464
Mon 23/38:00 p.m.
SEA
-
YOW
2 stops10h 23m
Air Canada
Mon 30/34:15 p.m.
YOW
-
SEA
1 stop8h 38m
Air Canada
Deal found 6/2C$ 469
Fri 17/43:10 p.m.
SEA
-
YOW
2 stops30h 29m
WestJet
Fri 24/45:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Deal found 3/2C$ 472
Tue 17/37:55 a.m.
SEA
-
YOW
1 stop13h 44m
Multiple Airlines
Tue 24/36:00 a.m.
YOW
-
SEA
1 stop11h 19m
Multiple Airlines
Deal found 5/2C$ 486
Thu 16/43:10 p.m.
SEA
-
YOW
1 stop22h 43m
WestJet
Mon 20/45:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Deal found 4/2C$ 487

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 6 February 2026.

Round-trip from

C$ 387

One-way from

C$ 146

Popular in

December

Cheapest in

September

Average price

C$ 859
WestJet
  • WestJet
  • 28/5-3/6
  • 2 total stops
  • 25h 05m total
  • Seattle to Quebec
Search Deals
WestJet
  • WestJet
  • 9/5
  • 1 total stop
  • 8h 25m total
  • Seattle to Quebec
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 6 February 2026.
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

Thu 16/4

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

2 stops24h 13m

Ottawa

Thu 23/4

6:00 a.m.-2:19 p.m.

1 stop11h 19m

C$ 427

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 23/3

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

6:45 a.m.-2:19 p.m.

2 stops34h 34m

C$ 431

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 2/3

3:10 p.m.-3:13 p.m.

1 stop21h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

7:30 p.m.-2:19 p.m.

1 stop21h 49m

C$ 432

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Mon 23/3

8:00 p.m.-9:23 a.m.

2 stops10h 23m

Ottawa

Mon 30/3

4:15 p.m.-9:53 p.m.

1 stop8h 38m

C$ 469

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 17/3

7:55 a.m.-12:39 a.m.

1 stop13h 44m

Ottawa

Tue 24/3

6:00 a.m.-2:19 p.m.

1 stop11h 19m

C$ 486

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 18/3

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 24/3

6:45 a.m.-7:15 p.m.

1 stop15h 30m

C$ 502

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 18/3

7:55 a.m.-12:39 a.m.

1 stop13h 44m

Ottawa

Tue 24/3

6:00 a.m.-2:19 p.m.

1 stop11h 19m

C$ 504

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 16/3

3:10 p.m.-7:05 a.m.

1 stop12h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

7:30 a.m.-3:01 p.m.

1 stop10h 31m

C$ 505

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 17/4

3:10 p.m.-12:39 a.m.

2 stops30h 29m

Ottawa

Wed 22/4

5:45 p.m.-2:19 p.m.

1 stop23h 34m

C$ 505

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 17/3

7:55 a.m.-12:39 a.m.

1 stop13h 44m

Ottawa

Wed 25/3

5:40 a.m.-7:15 p.m.

1 stop16h 35m

C$ 510

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 40 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$ 205). Flying from Seattle to Quebec in December is currently the most expensive (average of C$ 498). 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.

How much does it cost to fly round-trip from Seattle to Quebec?

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 6 February 2026.
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
10,694 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Comfort

7.1

Entertainment

6.8

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
10,694 reviews
Air Canada
7.1
Good
10,694 reviews
Check prices

Overall

7.1

Crew

7.8

Food

6.3

Boarding

7.3

Comfort

7.1

Entertainment

6.8

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 10h 23m. WestJet provides one of the quickest options available for as low as C$ 469. Airlines will cover a distance of 3529 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$ 162. Users have also found prices from C$ 235 and C$ 313 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 - Ottawa and Seattle/Tacoma Intl - Québec City.

  • 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$ 205). Flying from Seattle to Quebec in December is currently the most expensive (average of C$ 498). 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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