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Cheap flights from Quebec to Seattle from C$ 218

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
30 May — 6 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Quebec to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Quebec to Seattle
Explore the most affordable flight options available from Quebec to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2026.

Wed 5/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Mon 10/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 29/4C$ 348
Sat 8/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 22/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 25/4C$ 350
Tue 7/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Tue 14/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 26/4C$ 352
Thu 16/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 25/710:30 a.m.
SEA
-
YUL
2 stops10h 55m
WestJet
Deal found 27/4C$ 358
Tue 14/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Mon 20/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 27/4C$ 360
Thu 20/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Fri 28/87:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 25/4C$ 361
Sat 29/86:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Mon 7/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 28/4C$ 368
Wed 15/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Wed 22/710:30 a.m.
SEA
-
YUL
2 stops10h 55m
WestJet
Deal found 27/4C$ 372
Sun 20/96:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Tue 29/97:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 26/4C$ 374
Tue 14/76:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Tue 21/77:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 27/4C$ 378
Mon 20/71:20 p.m.
YOW
-
SEA
1 stop8h 25m
WestJet
Tue 28/77:00 a.m.
SEA
-
YOW
1 stop9h 20m
WestJet
Deal found 27/4C$ 410
Fri 25/91:20 p.m.
YOW
-
SEA
1 stop8h 25m
WestJet
Sun 27/97:35 p.m.
SEA
-
YOW
1 stop7h 00m
WestJet
Deal found 26/4C$ 415

Find flight deals from Quebec to Seattle

Keep the following information in mind while searching for Quebec to Seattle flight deals. Data was last updated 30 April 2026.

Round-trip from

C$ 348

One-way from

C$ 218

Popular in

April

Cheapest in

March

Average price

C$ 1,326
WestJet
  • WestJet
  • 5/8-10/8
  • 3 total stops
  • 23h 30m total
  • Quebec to Seattle
Search Deals
WestJet
  • WestJet
  • 1/9
  • 2 total stops
  • 15h 00m total
  • Quebec to Seattle
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. 7% potential price decrease (C$ 72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Quebec to Seattle 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 30 April 2026.
Use the filters below to find and compare flights from Quebec to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

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

2 stops15h 00m

Seattle/Tacoma Intl

Mon 10/8

10:30 a.m.-12:25 a.m.

2 stops10h 55m

C$ 357

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

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

2 stops15h 00m

Seattle/Tacoma Intl

Tue 26/5

7:35 p.m.-12:25 a.m.

2 stops25h 50m

C$ 420

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

5:30 p.m.-6:45 p.m.

1 stop28h 15m

Seattle/Tacoma Intl

Mon 27/7

7:00 a.m.-11:45 p.m.

1 stop13h 45m

C$ 438
Quickest round-trip

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Sun 21/6

12:25 p.m.-6:45 p.m.

2 stops9h 20m

Seattle/Tacoma Intl

Sun 19/7

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

1 stop7h 00m

C$ 467

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 13/7

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

1 stop16h 40m

Seattle/Tacoma Intl

Tue 21/7

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

1 stop8h 30m

C$ 467

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 16/6

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

1 stop8h 25m

Seattle/Tacoma Intl

Tue 23/6

7:00 a.m.-5:35 a.m.

1 stop19h 35m

C$ 480

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 11/6

7:30 p.m.-9:40 a.m.

1 stop17h 10m

Seattle/Tacoma Intl

Thu 18/6

7:00 a.m.-6:40 p.m.

1 stop8h 40m

C$ 483

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 10/6

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

1 stop8h 25m

Seattle/Tacoma Intl

Tue 23/6

7:00 a.m.-12:30 p.m.

2 stops26h 30m

C$ 487

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 27/5

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

1 stop8h 25m

Seattle/Tacoma Intl

Mon 1/6

7:35 p.m.-3:20 p.m.

1 stop16h 45m

C$ 497

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

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

2 stops29h 55m

Seattle/Tacoma Intl

Sat 13/6

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

1 stop10h 15m

C$ 509

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 56 resultsSorted by cheapest first
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Best time to book a flight from Quebec to Seattle

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

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

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Quebec to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 211). Flying from Quebec to Seattle in February is currently the most expensive (average of C$ 441). 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 Quebec to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Quebec to Seattle. 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 into for flights to Seattle from Quebec?

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

  • How long is the flight from Quebec to Seattle?

    For as low as C$ 357, WestJet can have you in Seattle from Quebec in 15h. The distance from Quebec to Seattle is about 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular route from Quebec to Seattle is Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl. You may also consider Ottawa - Seattle/Tacoma Intl or Québec City - Seattle/Tacoma Intl.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 211). Flying from Quebec to Seattle in February is currently the most expensive (average of C$ 441). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Leavenworth
Mukilteo
Kent
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
Kirkland
Tukwila

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Quebec to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Victoria to Portland flights
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Regina to Seattle flights
Pearson Intl to Spokane flights
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Edmonton to Spokane flights
Kelowna to Portland flights
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Fort St. John to Portland flights
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London to Portland flights
Thunder Bay to Portland flights
Kamloops to Portland flights
Windsor to Seattle flights
Regina to Portland flights
Pearson Intl to Pasco flights
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Nanaimo to Portland flights

Top 5 airlines flying from Quebec to Seattle

Discover the top 5 airlines that operate flights from Quebec to Seattle. 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 30 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 210AverageC$ 632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 266AverageC$ 730FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 278AverageC$ 659FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 310AverageC$ 504FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 410AverageC$ 520FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Quebec today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Quebec to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Seattle from Quebec? 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 Quebec to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Quebec to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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