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Cheap flights from Seattle to Quebec from C$ 165

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
5 Jun — 12 Jun1
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 May 2026.

Wed 19/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 5/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 3/5C$ 384
Mon 20/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 29/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 3/5C$ 396
Sun 19/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 5/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 2/5C$ 402
Thu 3/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 8/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 2/5C$ 403
Tue 25/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 5/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/5C$ 404
Mon 31/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 10/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 1/5C$ 407
Thu 20/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 27/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 4/5C$ 409
Sat 11/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 14/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 3/5C$ 410
Sat 19/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 28/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 2/5C$ 411
Tue 25/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 3/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/5C$ 413
Fri 4/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 9/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 1/5C$ 414
Thu 4/67:35 p.m.
SEA
-
YOW
1 stop7h 00m
WestJet
Wed 10/61:20 p.m.
YOW
-
SEA
1 stop8h 25m
WestJet
Deal found 6/5C$ 483

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 May 2026.

Round-trip from

C$ 384

One-way from

C$ 165

Popular in

December

Cheapest in

March

Average price

C$ 1,014
WestJet
  • WestJet
  • 19/8-5/9
  • 3 total stops
  • 23h 30m total
  • Seattle to Quebec
Search Deals
WestJet
  • WestJet
  • 14/7
  • 1 total stop
  • 8h 30m total
  • Seattle to Quebec
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 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

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 1/7

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

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

1 stop16h 40m

C$ 421

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 28/8

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

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

5:45 p.m.-9:00 p.m.

2 stops30h 15m

C$ 430

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 25/7

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Ottawa

Sat 1/8

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

2 stops18h 25m

C$ 528
Quickest round-trip

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 23/10

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

1 stop7h 00m

Ottawa

Fri 30/10

6:00 a.m.-2:20 p.m.

1 stop11h 20m

C$ 552

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 2/6

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

1 stop7h 00m

Ottawa

Tue 9/6

4:15 p.m.-9:40 a.m.

1 stop20h 25m

C$ 554

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 9/7

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

2 stops23h 00m

Ottawa

Fri 24/7

6:55 a.m.-6:45 p.m.

2 stops14h 50m

C$ 568

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 24/6

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

2 stops13h 55m

Ottawa

Tue 7/7

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

2 stops27h 30m

C$ 613

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 3/6

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

1 stop7h 00m

Ottawa

Sat 6/6

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

2 stops27h 30m

C$ 632

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 1/6

10:30 a.m.-11:45 p.m.

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

6:45 a.m.-9:40 a.m.

2 stops29h 55m

C$ 633

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Thu 9/7

10:35 p.m.-3:30 p.m.

1 stop13h 55m

Québec City

Sun 12/7

4:12 p.m.-10:56 p.m.

1 stop9h 44m

C$ 678

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 49 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

How far ahead should I book a flight from Seattle to Quebec?

The price you pay for your flight from Seattle to Quebec may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, June is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 146). Flying from Seattle to Quebec in November is currently the most expensive (average of C$ 422). 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?

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 30m. WestJet provides one of the quickest options available for as low as C$ 421. Airlines will cover a distance of 3663 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$ 151. Users have also found prices from C$ 234 and C$ 312 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, June is the cheapest month in which you can book a flight from Seattle to Quebec (average of C$ 146). Flying from Seattle to Quebec in November is currently the most expensive (average of C$ 422). 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

Browse thousands of different options on Cheapflights for your next trip

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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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Seattle to Kamloops flights
Portland to Fredericton flights
Portland to Charlottetown flights
Portland to Regina flights
Walla Walla to Pierre Elliott Trudeau Intl flights
Spokane to Halifax flights
Seattle to Regina flights
Portland to Williams Lake flights
Portland to Saskatoon flights
Portland to Whitehorse flights
Pasco to Pierre Elliott Trudeau Intl flights
Pasco to Pearson Intl flights
Seattle to Grande Prairie 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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