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Cheap flights from Quebec to Seattle from C$ 221

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 October 2025.

Round-trip from

C$ 339

One-way from

C$ 221

Popular in

December

Cheapest in

September

Average price

C$ 695

Good round-trip deal

C$ 954 or less

Good one-way deal

C$ 462 or less
Air Canada
  • Air Canada
  • 14/4-15/4
  • 2 total stops
  • 15h 01m total
  • Quebec to Seattle
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WestJet
  • WestJet
  • 14/1
  • 1 total stop
  • 21h 50m total
  • Quebec to Seattle
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Highest demand for flights based on searches. 3% potential increase in price (C$ 41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Quebec to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Quebec to Seattle/Tacoma Intl.
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Find 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 October 2025.

Tue 9/125:40 a.m.YOW - SEA
2 stops11h 40mWestJet
Wed 10/123:10 p.m.SEA - YOW
2 stops30h 32mWestJet
Deal found 28/10C$ 440
Wed 12/112:55 p.m.YQB - SEA
1 stop10h 33mUnited Airlines
Fri 14/117:13 p.m.SEA - YQB
2 stops12h 49mUnited Airlines
Deal found 28/10C$ 441
Mon 8/125:45 p.m.YOW - SEA
1 stop23h 35mWestJet
Wed 10/123:10 p.m.SEA - YOW
1 stop22h 43mWestJet
Deal found 28/10C$ 451
Tue 9/125:40 a.m.YOW - SEA
2 stops35h 40mMultiple Airlines
Wed 10/1211:10 p.m.SEA - YOW
1 stop12h 34mMultiple Airlines
Deal found 28/10C$ 507
Mon 1/124:15 p.m.YUL - SEA
1 stop25h 05mWestJet
Mon 8/123:10 p.m.SEA - YUL
1 stop21h 02mWestJet
Deal found 30/10C$ 515
Thu 13/115:00 a.m.YQB - SEA
2 stops14h 15mUnited Airlines
Thu 13/117:13 p.m.SEA - YQB
2 stops17h 39mUnited Airlines
Deal found 28/10C$ 524
Fri 14/115:10 p.m.YQB - SEA
2 stops20h 25mUnited Airlines
Mon 17/1111:59 p.m.SEA - YQB
2 stops12h 53mUnited Airlines
Deal found 30/10C$ 531
Thu 13/112:55 p.m.YQB - SEA
1 stop10h 33mUnited Airlines
Fri 14/118:10 a.m.SEA - YQB
1 stop11h 18mUnited Airlines
Deal found 28/10C$ 566
Fri 21/115:25 p.m.YUL - SEA
2 stops24h 15mMultiple Airlines
Tue 25/113:10 p.m.SEA - YUL
1 stop19h 22mMultiple Airlines
Deal found 30/10C$ 568
Fri 21/117:15 p.m.YOW - SEA
2 stops22h 25mWestJet
Fri 28/113:10 p.m.SEA - YOW
2 stops30h 32mWestJet
Deal found 30/10C$ 605
Wed 26/116:45 a.m.YUL - SEA
1 stop15h 32mMultiple Airlines
Wed 3/1211:10 p.m.SEA - YUL
2 stops28h 55mMultiple Airlines
Deal found 29/10C$ 609
Thu 13/1112:59 p.m.YUL - SEA
1 stop12h 21mAmerican Airlines
Wed 19/1111:20 p.m.SEA - YUL
1 stop13h 02mAmerican Airlines
Deal found 30/10C$ 614

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 October 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

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 14/4

5:50 p.m.-10:08 p.m.

1 stop7h 18m

Seattle/Tacoma Intl

Wed 15/4

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

1 stop7h 43m

C$ 339

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 9/12

5:40 a.m.-2:20 p.m.

2 stops11h 40m

Seattle/Tacoma Intl

Wed 10/12

3:10 p.m.-12:42 a.m.

2 stops30h 32m

C$ 440

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 12/11

11:49 a.m.-11:10 p.m.

2 stops14h 21m

Seattle/Tacoma Intl

Fri 14/11

12:41 p.m.-2:13 p.m.

3 stops22h 32m

C$ 441

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

6:45 a.m.-2:20 p.m.

2 stops34h 35m

Seattle/Tacoma Intl

Tue 20/1

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

1 stop12h 55m

C$ 441

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 13/11

2:55 p.m.-10:35 a.m.

2 stops22h 40m

Seattle/Tacoma Intl

Fri 14/11

12:41 p.m.-2:13 p.m.

3 stops22h 32m

C$ 441

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Mon 8/12

5:45 p.m.-2:20 p.m.

1 stop23h 35m

Seattle/Tacoma Intl

Wed 10/12

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

1 stop22h 43m

C$ 451

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 14/1

7:30 p.m.-2:20 p.m.

1 stop21h 50m

Seattle/Tacoma Intl

Thu 22/1

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

1 stop12h 55m

C$ 452

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

4:15 p.m.-2:20 p.m.

1 stop25h 05m

Seattle/Tacoma Intl

Wed 21/1

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

1 stop12h 55m

C$ 452

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

7:30 p.m.-2:20 p.m.

1 stop21h 50m

Seattle/Tacoma Intl

Wed 21/1

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

1 stop12h 55m

C$ 452

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

6:45 a.m.-2:20 p.m.

2 stops34h 35m

Seattle/Tacoma Intl

Thu 22/1

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

1 stop12h 55m

C$ 494

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 40 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$ 215). Flying from Quebec to Seattle in December is currently the most expensive (average of C$ 556). 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 30 October 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.

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$ 339, Air Canada can have you in Seattle from Quebec in 7h 18m. 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.

  • What are the cheapest flights from Quebec to Seattle?

    While on average a flight from Quebec to Seattle is generally C$ 1,024, our data shows the cheapest flight currently is C$ 462. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 531 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$ 215). Flying from Quebec to Seattle in December is currently the most expensive (average of C$ 556). 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
Tukwila
Tacoma
Mukilteo
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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 215AverageC$ 649FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 316AverageC$ 588FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 372AverageC$ 650FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 372AverageC$ 558FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 502AverageC$ 573FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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