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Cheap flights from Seattle to Quebec from C$ 250

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
22 Apr — 29 Apr1
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 23 March 2026.

Sat 18/43:20 p.m.
SEA
-
YUL
1 stop20h 53m
WestJet
Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
WestJet
Deal found 22/3C$ 491
Thu 16/43:10 p.m.
SEA
-
YOW
1 stop22h 43m
WestJet
Thu 23/45:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Deal found 19/3C$ 520
Sun 19/49:54 p.m.
SEA
-
YUL
2 stops32h 26m
Multiple Airlines
Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
Multiple Airlines
Deal found 18/3C$ 531
Fri 29/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 3/66:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 20/3C$ 535
Thu 14/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 16/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 21/3C$ 539
Thu 9/43:10 p.m.
SEA
-
YOW
2 stops24h 13m
WestJet
Mon 13/49:00 a.m.
YOW
-
SEA
2 stops32h 19m
WestJet
Deal found 22/3C$ 539
Mon 4/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Fri 8/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 23/3C$ 541
Wed 1/45:40 a.m.
SEA
-
YOW
1 stop7h 13m
Multiple Airlines
Sat 4/45:40 a.m.
YOW
-
SEA
2 stops11h 51m
Multiple Airlines
Deal found 18/3C$ 541
Sat 18/43:20 p.m.
SEA
-
YUL
1 stop20h 53m
WestJet
Fri 24/44:15 p.m.
YUL
-
SEA
1 stop25h 16m
WestJet
Deal found 23/3C$ 545
Sun 3/510:30 a.m.
SEA
-
YUL
2 stops10h 55m
WestJet
Fri 8/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 21/3C$ 550
Tue 26/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 30/58:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 20/3C$ 560
Wed 3/67:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 8/68:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 22/3C$ 561

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 23 March 2026.

Round-trip from

C$ 491

One-way from

C$ 250

Popular in

December

Cheapest in

March

Average price

C$ 461
WestJet
  • WestJet
  • 18/4-25/4
  • 2 total stops
  • 30h 54m total
  • Seattle to Quebec
Search Deals
WestJet
  • WestJet
  • 30/5
  • 1 total stop
  • 8h 30m total
  • Seattle to Quebec
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 23 March 2026.
Use the filters below to find and compare flights from Seattle to Quebec that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 9/4

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

2 stops24h 13m

Ottawa

Mon 13/4

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

1 stop23h 34m

C$ 564

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 6/5

7:35 p.m.-7:05 a.m.

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

8:00 p.m.-9:40 a.m.

1 stop16h 40m

C$ 568

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 10/4

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

2 stops30h 29m

Ottawa

Fri 17/4

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

2 stops11h 39m

C$ 576

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 9/4

8:00 p.m.-6:45 a.m.

1 stop7h 45m

Ottawa

Mon 13/4

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

1 stop23h 34m

C$ 585

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 3/5

10:30 a.m.-12:20 a.m.

2 stops10h 50m

Ottawa

Sun 10/5

6:15 p.m.-9:40 a.m.

2 stops18h 25m

C$ 648

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 26/5

7:35 p.m.-12:30 p.m.

2 stops13h 55m

Ottawa

Thu 28/5

6:15 p.m.-9:40 a.m.

2 stops18h 25m

C$ 648
Quickest round-trip

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 5/5

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Wed 6/5

1:20 p.m.-6:45 p.m.

1 stop8h 25m

C$ 661

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 24/4

10:35 p.m.-5:07 p.m.

1 stop15h 32m

Ottawa

Sun 26/4

5:25 p.m.-12:34 a.m.

1 stop10h 09m

C$ 723

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 16/4

10:35 p.m.-5:07 p.m.

1 stop15h 32m

Ottawa

Thu 23/4

10:44 a.m.-4:43 p.m.

1 stop8h 59m

C$ 723

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 4/4

8:00 p.m.-3:53 p.m.

1 stop16h 53m

Ottawa

Tue 7/4

7:45 a.m.-3:08 p.m.

1 stop10h 23m

C$ 729

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/3

Showing 1-10 of 53 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 206). Flying from Seattle to Quebec in January is currently the most expensive (average of C$ 609). 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 23 March 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
10,836 reviews
Check prices

Boarding

7.3

Crew

7.8

Entertainment

6.8

Food

6.3

Comfort

7.1

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good
Air Canada
7.1
Good
10,836 reviews
Air Canada
7.1
Good
10,836 reviews
Check prices

Boarding

7.3

Crew

7.8

Entertainment

6.8

Food

6.3

Comfort

7.1

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good

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 8h 20m. WestJet provides one of the quickest options available for as low as C$ 897. 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$ 236 and C$ 314 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, September is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 206). Flying from Seattle to Quebec in January is currently the most expensive (average of C$ 609). 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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