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Cheap flights from Quebec to Seattle from C$ 197

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
17 Jan — 24 Jan1
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 18 December 2025.

Tue 30/125:25 p.m.YUL - SEA
1 stop19h 31mUnited Airlines
Tue 6/112:35 p.m.SEA - YUL
2 stops18h 45mUnited Airlines
Deal found 16/12C$ 821
Tue 30/127:00 a.m.YUL - SEA
1 stop12h 47mDelta
Fri 30/16:05 a.m.SEA - YUL
1 stop6h 51mDelta
Deal found 16/12C$ 856
Tue 30/125:25 p.m.YUL - SEA
1 stop19h 31mUnited Airlines
Mon 5/111:15 p.m.SEA - YUL
1 stop10h 31mUnited Airlines
Deal found 16/12C$ 867
Wed 24/129:00 a.m.YUL - SEA
1 stop8h 31mAir Canada
Wed 31/128:00 p.m.SEA - YUL
1 stop7h 44mAir Canada
Deal found 16/12C$ 871
Fri 26/127:30 a.m.YUL - SEA
1 stop10h 01mAir Canada
Tue 30/125:50 a.m.SEA - YUL
1 stop8h 10mAir Canada
Deal found 16/12C$ 874
Wed 24/121:10 p.m.YUL - SEA
2 stops14h 24mUnited Airlines
Wed 31/127:12 p.m.SEA - YUL
2 stops12h 08mUnited Airlines
Deal found 16/12C$ 878
Thu 25/129:00 a.m.YUL - SEA
1 stop8h 31mAir Canada
Mon 5/19:55 a.m.SEA - YUL
1 stop7h 59mAir Canada
Deal found 17/12C$ 886
Mon 22/121:25 p.m.YUL - SEA
1 stop8h 51mAir Canada
Tue 6/18:10 a.m.SEA - YUL
2 stops9h 35mAir Canada
Deal found 17/12C$ 912
Tue 23/121:10 p.m.YUL - SEA
1 stop12h 06mAir Canada
Tue 30/125:50 a.m.SEA - YUL
1 stop8h 10mAir Canada
Deal found 16/12C$ 929
Mon 22/126:15 a.m.YOW - SEA
2 stops14h 51mUnited Airlines
Fri 2/17:00 a.m.SEA - YOW
1 stop11h 18mUnited Airlines
Deal found 16/12C$ 1,062
Mon 22/125:50 p.m.YOW - SEA
1 stop7h 56mAir Canada
Fri 2/18:10 a.m.SEA - YOW
1 stop8h 13mAir Canada
Deal found 17/12C$ 1,064
Wed 24/125:40 a.m.YOW - SEA
2 stops31h 24mWestJet
Sun 28/129:25 a.m.SEA - YOW
2 stops12h 17mWestJet
Deal found 17/12C$ 1,095

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 18 December 2025.

Round-trip from

C$ 317

One-way from

C$ 197

Popular in

April

Cheapest in

September

Average price

C$ 791
WestJet
  • WestJet
  • 20/5-2/6
  • 2 total stops
  • 24h 00m total
  • Quebec to Seattle
Search Deals
WestJet
  • WestJet
  • 1/2
  • 2 total stops
  • 11h 39m total
  • Quebec to Seattle
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 18 December 2025.
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

Wed 20/5

6:45 a.m.-1:08 p.m.

1 stop9h 23m

Seattle/Tacoma Intl

Tue 2/6

7:05 a.m.-12:42 a.m.

1 stop14h 37m

C$ 317

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Fri 15/5

5:15 p.m.-8:28 p.m.

2 stops30h 13m

Seattle/Tacoma Intl

Tue 19/5

7:05 a.m.-5:28 a.m.

2 stops19h 23m

C$ 342

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 8/4

5:45 p.m.-2:19 p.m.

1 stop23h 34m

Seattle/Tacoma Intl

Tue 14/4

3:10 p.m.-4:53 p.m.

1 stop22h 43m

C$ 351

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

7:30 p.m.-2:38 p.m.

1 stop22h 08m

Seattle/Tacoma Intl

Fri 30/1

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

1 stop12h 55m

C$ 358

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 13/1

4:15 p.m.-10:16 p.m.

1 stop9h 01m

Seattle/Tacoma Intl

Tue 20/1

5:50 a.m.-3:46 p.m.

1 stop6h 56m

C$ 376

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 20/1

7:27 p.m.-6:26 p.m.

2 stops25h 59m

Seattle/Tacoma Intl

Thu 22/1

7:00 a.m.-9:18 p.m.

1 stop11h 18m

C$ 413

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Thu 22/1

9:45 a.m.-6:26 p.m.

2 stops11h 41m

Seattle/Tacoma Intl

Sat 24/1

11:45 p.m.-1:32 p.m.

1 stop10h 47m

C$ 413

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 22/4

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

3 stops16h 00m

Seattle/Tacoma Intl

Fri 24/4

7:02 p.m.-9:11 a.m.

2 stops11h 09m

C$ 413

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 21/1

6:00 a.m.-6:26 p.m.

2 stops15h 26m

Seattle/Tacoma Intl

Fri 23/1

5:10 p.m.-5:12 p.m.

2 stops21h 02m

C$ 413

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

6:45 a.m.-7:17 p.m.

1 stop15h 32m

Seattle/Tacoma Intl

Mon 2/2

1:11 p.m.-7:05 a.m.

2 stops14h 54m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 42 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$ 212). Flying from Quebec to Seattle in February is currently the most expensive (average of C$ 493). 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.

What is the cheapest time of day to fly from QC to SEA?

Find hourly flight availability from Quebec to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

When flying from Quebec to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 59% versus a flight in the morning.

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$ 376, WestJet can have you in Seattle from Quebec in 9h 01m. 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 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$ 208. WestJet flights start at C$ 215 while deals on United Airlines start at C$ 243 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.

  • 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$ 212). Flying from Quebec to Seattle in February is currently the most expensive (average of C$ 493). 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
Tukwila
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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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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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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 212AverageC$ 641FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 280AverageC$ 566FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 312AverageC$ 580FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 367AverageC$ 597FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 367AverageC$ 545FlexibilityNo 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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