Cheap flights from Quebec to Seattle from C$ 344

YUL — SEA
2 Dec — 9 Dec1
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

Thu 3/1212:08 p.m. -
1 stop11h 23m
Wed 9/129:15 a.m. -
1 stop10h 33m
Deal found 28/10C$ 601
Thu 3/126:00 a.m. -
1 stop8h 10m
Wed 9/129:50 a.m. -
1 stop10h 43m
Deal found 1/11C$ 605
Fri 11/1212:08 p.m. -
1 stop11h 23m
Mon 14/1211:39 p.m. -
1 stop8h 49m
Deal found 28/10C$ 611
Wed 2/124:01 p.m. -
1 stop9h 37m
Mon 7/1211:39 p.m. -
1 stop8h 49m
Deal found 31/10C$ 612
Thu 3/121:05 p.m. -
2 stops11h 52m
Wed 9/1210:10 a.m. -
1 stop7h 20m
Deal found 28/10C$ 615
Thu 3/121:04 p.m. -
2 stops13h 44m
Tue 8/1211:39 p.m. -
2 stops9h 45m
Deal found 29/10C$ 622
Wed 2/1212:41 p.m. -
1 stop14h 14m
Tue 8/126:00 a.m. -
1 stop6h 59m
Deal found 29/10C$ 623
Sat 5/1210:55 a.m. -
2 stops13h 04m
Mon 7/127:45 a.m. -
1 stop10h 06m
Deal found 30/10C$ 966
Fri 6/115:40 p.m. -
2 stops18h 52m
Mon 9/1110:10 a.m. -
2 stops9h 26m
Deal found 29/10C$ 1,131
Tue 15/125:45 p.m. -
3 stops32h 59m
Tue 22/1211:44 p.m. -
2 stops29h 37m
Deal found 31/10C$ 1,164
Sat 5/121:55 p.m. -
2 stops33h 09m
Mon 7/122:30 p.m. -
3 stops23h 00m
Deal found 30/10C$ 1,370

Find flight deals from Quebec to Seattle

Round-trip from

C$ 601

One-way from

C$ 344

Popular in

January

Cheapest in

October

Average price

C$ 734

Good round-trip deal

C$ 678 or less
American Airlines
  • American Airlines
  • 3/12-9/12
  • 2 total stops
  • 21h 56m total
  • Quebec to Seattle
Delta
  • Delta
  • 26/1-31/12
  • 1 total stop
  • 11h 40m total
  • Quebec to Seattle
Highest demand for flights based on searches. 13% potential increase in price (C$ 161 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 42 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Quebec to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
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
Quickest round-trip

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 4/12

6:00 a.m.-11:10 a.m.

1 stop8h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 344

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 23/4

12:45 p.m.-10:05 p.m.

1 stop12h 20m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 344

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 15/1

6:00 a.m.-2:40 p.m.

1 stop11h 40m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 345

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sun 13/12

7:00 a.m.-2:38 p.m.

1 stop10h 38m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 354

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 17/12

12:50 p.m.-10:03 p.m.

1 stop12h 13m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 355

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 4/1

6:00 a.m.-2:40 p.m.

1 stop11h 40m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 369

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 23/11

7:00 a.m.-9:50 p.m.

2 stops17h 50m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 382

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

2:13 p.m.-11:15 p.m.

2 stops12h 02m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 382

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

2:13 p.m.-11:15 p.m.

2 stops12h 02m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 382

Québec CitySeattle

YQB Québec City - SEA Seattle/Tacoma Intl

YQBSEA

Québec City

Fri 29/1

5:55 a.m.-2:37 p.m.

2 stops11h 42m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 516

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 30 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

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, September is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 608). Flying from Quebec to Seattle in June is currently the most expensive (average of C$ 825). 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?

Airfare is typical for this route at the moment.
Quebec to Seattle flights typically cost between C$ 595 and C$ 844 in December.
The cheapest round-trip price found within the last 5 days was C$ 601 on American Airlines (3 Dec-9 Dec).

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

Booking 46 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.

Related info for your journey

  • 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$ 607, Delta can have you in Seattle from Quebec in 11h 23m. 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?

  • What are the cheapest flights from Quebec to Seattle?

    While on average a flight from Quebec to Seattle is generally C$ 721, our data shows the cheapest flight currently is C$ 670. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 605 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, September is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 608). Flying from Quebec to Seattle in June is currently the most expensive (average of C$ 825). 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
Kent
Tukwila
Mukilteo
Ellensburg
Renton
Lynnwood
Cashmere
Tacoma
Marysville
Federal Way
Kirkland
Leavenworth

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Quebec to Seattle

Top 4 airlines flying from Quebec to Seattle

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 413AverageC$ 532FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 431AverageC$ 824FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 476AverageC$ 778FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 502AverageC$ 871FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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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