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Cheap flights from Quebec to Seattle from C$ 244

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
19 Apr — 26 Apr1
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 20 March 2026.

Thu 23/45:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Sun 26/47:35 p.m.
SEA
-
YOW
1 stop7h 00m
WestJet
Deal found 15/3C$ 411
Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
WestJet
Sat 2/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 17/3C$ 420
Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
WestJet
Thu 30/47:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 17/3C$ 423
Sat 25/47:30 a.m.
YUL
-
SEA
1 stop10h 01m
WestJet
Fri 1/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 16/3C$ 424
Fri 1/51:20 p.m.
YOW
-
SEA
1 stop8h 25m
WestJet
Sun 3/510:30 a.m.
SEA
-
YOW
2 stops10h 50m
WestJet
Deal found 15/3C$ 426
Wed 13/56:45 a.m.
YUL
-
SEA
2 stops15h 00m
WestJet
Sat 23/510:30 a.m.
SEA
-
YUL
2 stops10h 55m
WestJet
Deal found 15/3C$ 432
Sun 5/47:00 a.m.
YUL
-
SEA
1 stop10h 19m
WestJet
Thu 9/43:10 p.m.
SEA
-
YUL
1 stop12h 55m
WestJet
Deal found 19/3C$ 434
Fri 24/45:45 p.m.
YOW
-
SEA
1 stop23h 46m
WestJet
Sun 26/47:35 p.m.
SEA
-
YOW
1 stop7h 00m
WestJet
Deal found 15/3C$ 443
Tue 21/45:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Wed 22/43:10 p.m.
SEA
-
YOW
2 stops30h 29m
WestJet
Deal found 16/3C$ 452
Wed 29/47:15 a.m.
YUL
-
SEA
1 stop14h 30m
WestJet
Wed 6/57:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 15/3C$ 457
Thu 30/44:15 p.m.
YOW
-
SEA
1 stop20h 25m
WestJet
Thu 7/57:35 p.m.
SEA
-
YOW
1 stop7h 00m
WestJet
Deal found 15/3C$ 461
Wed 22/46:45 a.m.
YUL
-
SEA
2 stops34h 34m
WestJet
Sun 26/47:35 p.m.
SEA
-
YUL
1 stop8h 30m
WestJet
Deal found 18/3C$ 463

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 20 March 2026.

Round-trip from

C$ 411

One-way from

C$ 244

Popular in

January

Cheapest in

March

Average price

C$ 608
WestJet
  • WestJet
  • 23/4-26/4
  • 3 total stops
  • 18h 39m total
  • Quebec to Seattle
Search Deals
WestJet
  • WestJet
  • 23/4
  • 2 total stops
  • 11h 39m total
  • Quebec to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 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 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 20 March 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

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Fri 24/4

5:45 p.m.-2:31 p.m.

1 stop23h 46m

Seattle/Tacoma Intl

Sun 26/4

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

1 stop7h 00m

C$ 443

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

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

1 stop16h 40m

Seattle/Tacoma Intl

Tue 2/6

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

1 stop8h 30m

C$ 463

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

1 stop25h 45m

Seattle/Tacoma Intl

Sat 23/5

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

1 stop8h 30m

C$ 463

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

7:20 p.m.-6:45 p.m.

2 stops26h 25m

Seattle/Tacoma Intl

Sat 9/5

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

2 stops10h 55m

C$ 502

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Thu 30/4

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

2 stops27h 30m

Seattle/Tacoma Intl

Mon 4/5

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

1 stop7h 00m

C$ 526

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Thu 23/4

3:10 p.m.-11:46 p.m.

1 stop11h 36m

Seattle/Tacoma Intl

Sun 26/4

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

1 stop15h 32m

C$ 545

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

7:00 a.m.-4:40 p.m.

2 stops12h 40m

Seattle/Tacoma Intl

Sat 25/4

8:50 a.m.-11:26 p.m.

2 stops11h 36m

C$ 545

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 21/4

5:25 p.m.-10:42 p.m.

1 stop8h 17m

Seattle/Tacoma Intl

Wed 22/4

6:30 a.m.-10:05 p.m.

2 stops12h 35m

C$ 545

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 8/4

6:25 a.m.-7:00 p.m.

1 stop15h 35m

Seattle/Tacoma Intl

Tue 14/4

7:00 a.m.-5:07 p.m.

1 stop7h 07m

C$ 546

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Fri 1/5

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

2 stops14h 50m

Seattle/Tacoma Intl

Fri 8/5

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

2 stops23h 00m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 48 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

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$ 573). 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$ 545, WestJet can have you in Seattle from Quebec in 11h 36m. The distance from Quebec to Seattle is about 3529 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$ 573). 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
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

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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Toronto Island to Portland flights
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Hamilton to Portland flights
Regina to Portland flights
Region of Waterloo Intl to Portland flights
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Saskatoon to Seattle flights
Prince George to Seattle flights
Regina to Seattle flights
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Kamloops to Portland flights
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Fort St. John to Spokane flights
Pearson Intl to Pasco flights
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Kelowna to Portland flights
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London to Portland flights
Vancouver Intl to Pullman flights
Pierre Elliott Trudeau Intl to Spokane flights
St John to Portland flights
Québec City to Portland flights
Nanaimo to Portland flights
Windsor to Seattle 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 20 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 211AverageC$ 650FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 257AverageC$ 531FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 279AverageC$ 661FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 355AverageC$ 494FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 389AverageC$ 682FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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