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Cheap flights from Quebec to Seattle from C$ 234

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
28 Feb — 7 Mar1
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 29 January 2026.

Wed 13/57:15 a.m.
YUL
-
SEA
1 stop29h 25m
WestJet
Sat 23/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 27/1C$ 350
Thu 5/36:45 a.m.
YUL
-
SEA
2 stops34h 34m
WestJet
Fri 5/67:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 27/1C$ 352
Thu 7/58:00 p.m.
YUL
-
SEA
1 stop16h 40m
WestJet
Sun 10/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 28/1C$ 353
Fri 8/57:15 a.m.
YUL
-
SEA
1 stop14h 30m
WestJet
Sun 17/57:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 28/1C$ 354
Wed 4/35:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Sun 8/33:10 p.m.
SEA
-
YOW
2 stops24h 13m
WestJet
Deal found 27/1C$ 362
Wed 8/45:40 a.m.
YOW
-
SEA
2 stops11h 39m
WestJet
Tue 14/43:10 p.m.
SEA
-
YOW
1 stop22h 43m
WestJet
Deal found 27/1C$ 368
Fri 15/51:20 p.m.
YOW
-
SEA
1 stop8h 25m
WestJet
Sat 23/510:30 a.m.
SEA
-
YOW
1 stop25h 55m
WestJet
Deal found 28/1C$ 371
Tue 3/37:30 p.m.
YUL
-
SEA
1 stop21h 49m
WestJet
Thu 4/67:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 27/1C$ 380
Wed 4/36:45 a.m.
YUL
-
SEA
2 stops34h 34m
WestJet
Thu 4/67:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 27/1C$ 384
Tue 3/37:30 p.m.
YUL
-
SEA
1 stop21h 49m
WestJet
Wed 3/67:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 27/1C$ 390
Tue 3/37:30 p.m.
YUL
-
SEA
1 stop21h 49m
WestJet
Tue 10/33:10 p.m.
SEA
-
YUL
1 stop12h 55m
WestJet
Deal found 28/1C$ 392
Wed 4/36:45 a.m.
YUL
-
SEA
2 stops34h 34m
WestJet
Wed 3/67:35 p.m.
SEA
-
YUL
1 stop8h 25m
WestJet
Deal found 27/1C$ 394

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 29 January 2026.

Round-trip from

C$ 350

One-way from

C$ 234

Popular in

January

Cheapest in

February

Average price

C$ 885

Good round-trip deal

C$ 621 or less
WestJet
  • WestJet
  • 13/5-23/5
  • 2 total stops
  • 37h 50m total
  • Quebec to Seattle
Search Deals
WestJet
  • WestJet
  • 3/5
  • 1 total stop
  • 16h 40m total
  • Quebec to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Quebec to Seattle/Tacoma Intl.
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 29 January 2026.
Use the filters below to find and compare flights from Quebec to Seattle that are best for you.

Fly from

Quebec

Fly to

Seattle

Route

Depart

Return

Price

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

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

1 stop14h 30m

Seattle/Tacoma Intl

Sun 17/5

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

1 stop8h 25m

C$ 354

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 4/3

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

2 stops11h 39m

Seattle/Tacoma Intl

Sun 8/3

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

2 stops24h 13m

C$ 362

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 8/4

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

2 stops11h 39m

Seattle/Tacoma Intl

Tue 14/4

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

2 stops30h 29m

C$ 376

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Fri 15/5

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

1 stop8h 25m

Seattle/Tacoma Intl

Sat 23/5

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

2 stops23h 00m

C$ 377

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

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

1 stop21h 49m

Seattle/Tacoma Intl

Fri 13/3

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

1 stop12h 55m

C$ 396

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

1 stop16h 40m

Seattle/Tacoma Intl

Sun 24/5

7:35 p.m.-4:30 p.m.

1 stop17h 55m

C$ 396

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

2 stops15h 00m

Seattle/Tacoma Intl

Sat 23/5

10:30 a.m.-6:25 p.m.

2 stops28h 55m

C$ 410

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

4:15 p.m.-2:19 p.m.

1 stop25h 04m

Seattle/Tacoma Intl

Tue 21/4

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

1 stop21h 03m

C$ 414

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 24/2

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

2 stops11h 39m

Seattle/Tacoma Intl

Tue 3/3

8:00 p.m.-6:43 a.m.

1 stop7h 43m

C$ 425

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 24/2

5:50 p.m.-10:57 p.m.

1 stop8h 07m

Seattle/Tacoma Intl

Tue 3/3

8:00 p.m.-6:43 a.m.

1 stop7h 43m

C$ 433

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 52 results
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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$ 209). Flying from Quebec to Seattle in February is currently the most expensive (average of C$ 485). 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$ 783, WestJet can have you in Seattle from Quebec in 11h 25m. The distance from Quebec to Seattle is about 3780 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Quebec to Seattle one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 205. WestJet flights start at C$ 212 while deals on United Airlines start at C$ 239 one-way.

  • 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.

  • What are the cheapest flights from Quebec to Seattle?

    While on average a flight from Quebec to Seattle is generally C$ 692, our data shows the cheapest flight currently is C$ 621. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 467 for that flight.

  • 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$ 209). Flying from Quebec to Seattle in February is currently the most expensive (average of C$ 485). 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
Leavenworth
SeaTac
Mukilteo
Tacoma
Kent
Tukwila
Bothell
Cashmere
Olympia
Renton
Lynnwood
Marysville
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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Saskatoon to Portland flights
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Prince George to Seattle flights
Winnipeg to Portland flights
Pierre Elliott Trudeau Intl to Spokane flights
Regina to Seattle flights
Victoria to Portland flights
Toronto Island to Portland flights
London to Seattle flights
Calgary to Spokane flights
Vancouver Intl to Bellingham flights
Halifax to Seattle flights
Fort St. John to Portland flights
Kelowna to Portland flights
Hamilton to Portland flights
Edmonton to Spokane flights
Nanaimo to Portland flights
Pearson Intl to Spokane flights
Regina to Portland flights
Region of Waterloo Intl to Portland flights
London to Portland flights
Québec City to Portland flights
Vancouver Intl to Pullman flights
Windsor to Seattle flights
Pearson Intl to Pasco flights
Fort St. John to Spokane flights
Thunder Bay to Portland flights
Kamloops 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 209AverageC$ 627FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 254AverageC$ 516FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 264AverageC$ 598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 276AverageC$ 607FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 351AverageC$ 521FlexibilityNo 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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