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$129+ Cheap flights from Quebec to Seattle (SEA)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$230
(Kiwi.com)

One-way from

$129
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$495

Good round-trip deal

$263 or less

Good one-way deal

$259 or less
From Quebec to Seattle/Tacoma Intl
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One-way flight from Quebec to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 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

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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/293:35 pmYOW - SEA
1 stop7h 54mWestJet
Thu 10/28:40 amSEA - YOW
2 stops12h 42mWestJet
Deal found 9/15$230
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:15 pmYOW - SEA
2 stops20h 20mWestJet
Wed 10/221:50 pmSEA - YOW
1 stop7h 50mWestJet
Deal found 9/15$253
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/112:45 pmYOW - SEA
1 stop8h 59mUnited Airlines
Wed 10/227:00 amSEA - YOW
1 stop7h 06mUnited Airlines
Deal found 9/15$254
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:33 amYOW - SEA
2 stops12h 47mUnited Airlines
Tue 9/307:37 pmSEA - YOW
2 stops15h 27mUnited Airlines
Deal found 9/15$255
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/293:35 pmYOW - SEA
1 stop7h 54mWestJet
Tue 9/307:05 amSEA - YOW
1 stop20h 40mWestJet
Deal found 9/15$259
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:37 amYOW - SEA
2 stops15h 38mUnited Airlines
Fri 10/31:12 pmSEA - YOW
1 stop17h 46mUnited Airlines
Deal found 9/15$260
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:15 amYOW - SEA
1 stop8h 44mUnited Airlines
Mon 9/296:55 pmSEA - YOW
2 stops12h 03mUnited Airlines
Deal found 9/15$261
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:15 amYOW - SEA
2 stops19h 19mUnited Airlines
Tue 10/1410:54 pmSEA - YOW
1 stop9h 51mUnited Airlines
Deal found 9/15$267
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:15 amYOW - SEA
1 stop8h 44mUnited Airlines
Tue 9/3011:40 pmSEA - YOW
2 stops10h 29mUnited Airlines
Deal found 9/15$268
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:33 amYOW - SEA
1 stop12h 12mUnited Airlines
Sat 11/15:05 amSEA - YOW
2 stops13h 13mUnited Airlines
Deal found 9/14$269
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/233:18 pmYQB - SEA
1 stop10h 12mUnited Airlines
Wed 10/297:13 pmSEA - YQB
2 stops16h 00mUnited Airlines
Deal found 9/14$311
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:14 pmYQB - SEA
1 stop11h 13mAmerican Airlines
Tue 10/2812:34 amSEA - YQB
1 stop10h 02mAmerican Airlines
Deal found 9/14$316

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 2,558,603 searches. Data last updated September 16, 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

Sat 10/11

7:15 pm-12:35 pm

2 stops20h 20m

Seattle/Tacoma Intl

Wed 10/22

1:50 pm-12:40 am

1 stop7h 50m

$253

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Sat 10/11

2:45 pm-8:44 pm

1 stop8h 59m

Seattle/Tacoma Intl

Wed 10/22

7:00 am-5:06 pm

1 stop7h 06m

$254

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 10/1

6:33 am-3:45 pm

1 stop12h 12m

Seattle/Tacoma Intl

Wed 10/1

6:55 pm-9:58 am

2 stops12h 03m

$255

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 9/30

6:33 am-4:20 pm

2 stops12h 47m

Seattle/Tacoma Intl

Tue 9/30

7:37 pm-2:04 pm

2 stops15h 27m

$255

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 9/30

10:37 am-11:15 pm

2 stops15h 38m

Seattle/Tacoma Intl

Fri 10/3

6:55 pm-9:58 am

2 stops12h 03m

$260

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 10/1

6:33 am-3:45 pm

1 stop12h 12m

Seattle/Tacoma Intl

Fri 10/3

1:12 pm-9:58 am

1 stop17h 46m

$260

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 9/30

7:29 pm-9:59 am

2 stops17h 30m

Seattle/Tacoma Intl

Sat 10/4

10:54 pm-11:45 am

1 stop9h 51m

$260

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Tue 9/30

6:33 am-11:15 pm

2 stops19h 42m

Seattle/Tacoma Intl

Wed 10/1

6:00 am-4:43 pm

1 stop7h 43m

$260

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 10/23

3:18 pm-10:30 pm

1 stop10h 12m

Seattle/Tacoma Intl

Wed 10/29

12:41 pm-2:13 pm

3 stops22h 32m

$311

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 3/13

10:55 am-10:29 pm

2 stops14h 34m

Seattle/Tacoma Intl

Tue 3/17

7:10 pm-10:51 am

2 stops12h 41m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 47 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, January is the cheapest month in which you can book a flight from Quebec to Seattle (average of $238). Flying from Quebec to Seattle in June is currently the most expensive (average of $387). 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Quebec to Seattle as you normally would.

Weekly flight availability from Quebec to Seattle

Explore weekly flight availability from Quebec to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 16, 2025.

The most flights from CAQC to SEA are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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?

    If you book a flight to Seattle from Quebec, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Quebec to Seattle?

    Departing from Quebec to Seattle will take you 8h 59m. There are 2193 mi between Quebec and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $129 on WestJet. Other airlines that offer cheap prices include United Airlines from $158 and Air Canada from $179 one-way.

  • What are the most popular routes from Quebec to Seattle?

    While some choose either Ottawa - Seattle/Tacoma Intl or Québec City - Seattle/Tacoma Intl, Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl is the most popular route from Quebec to Seattle.

  • What are the cheapest flights from Quebec to Seattle?

    Looking for the cheapest flight from Quebec to Seattle? While on average our users pay $397, our data indicates the cheapest price to be $182. The most popular route (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), is priced around $264.

  • 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, January is the cheapest month in which you can book a flight from Quebec to Seattle (average of $238). Flying from Quebec to Seattle in June is currently the most expensive (average of $387). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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Top 2 airlines flying from Quebec to Seattle

Discover the top 2 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$270Average$595FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$326Average$469FlexibilityNo cancel feeOn-time67%

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