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Cheap flights from Quebec to Seattle from C$ 217

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 355

One-way from

C$ 217

Popular in

December

Cheapest in

August

Average price

C$ 786

Good round-trip deal

C$ 606 or less

Good one-way deal

C$ 339 or less
Air Canada
  • Air Canada
  • 8/7-15/7
  • 2 total stops
  • 18h 01m total
  • Quebec to Seattle
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Air Canada
  • Air Canada
  • 28/7
  • 1 total stop
  • 8h 40m total
  • Quebec to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Quebec to Seattle/Tacoma Intl.
Search Deals
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 12 June 2025.

Tue 8/75:20 a.m.YQB - SEA
1 stop8h 40mAir Canada
Tue 15/77:20 a.m.SEA - YQB
1 stop9h 21mAir Canada
Deal found 9/6C$ 355
Tue 15/76:30 p.m.YQB - SEA
1 stop28h 58mWestJet
Tue 29/77:05 a.m.SEA - YQB
1 stop7h 22mWestJet
Deal found 10/6C$ 369
Wed 16/74:10 p.m.YQB - SEA
2 stops21h 40mAmerican Airlines
Tue 22/710:43 p.m.SEA - YQB
1 stop13h 47mAmerican Airlines
Deal found 11/6C$ 372
Thu 4/93:45 p.m.YOW - SEA
1 stop7h 44mWestJet
Sun 14/92:05 p.m.SEA - YOW
1 stop7h 35mWestJet
Deal found 10/6C$ 405
Mon 11/82:25 p.m.YOW - SEA
1 stop9h 16mAir Canada
Mon 18/85:30 a.m.SEA - YOW
2 stops11h 26mAir Canada
Deal found 9/6C$ 446
Thu 19/65:20 a.m.YQB - SEA
1 stop8h 31mUnited Airlines
Tue 24/67:59 p.m.SEA - YQB
2 stops23h 06mUnited Airlines
Deal found 9/6C$ 462
Thu 4/97:30 a.m.YUL - SEA
1 stop9h 46mAir Canada
Fri 5/92:55 p.m.SEA - YUL
2 stops13h 15mAir Canada
Deal found 12/6C$ 492
Tue 22/75:30 p.m.YUL - SEA
1 stop29h 58mWestJet
Tue 29/72:05 p.m.SEA - YUL
1 stop7h 38mWestJet
Deal found 11/6C$ 495
Tue 9/96:00 a.m.YUL - SEA
2 stops12h 52mUnited Airlines
Fri 12/97:34 p.m.SEA - YUL
2 stops12h 06mUnited Airlines
Deal found 10/6C$ 498
Thu 4/912:30 p.m.YUL - SEA
2 stops11h 49mAmerican Airlines
Mon 8/95:43 p.m.SEA - YUL
2 stops19h 47mAmerican Airlines
Deal found 12/6C$ 500
Thu 19/65:20 a.m.YQB - SEA
2 stops19h 55mMultiple Airlines
Tue 24/611:35 a.m.SEA - YQB
2 stops22h 27mMultiple Airlines
Deal found 9/6C$ 502
Fri 11/76:10 a.m.YOW - SEA
2 stops17h 18mMultiple Airlines
Fri 18/71:15 p.m.SEA - YOW
1 stop20h 50mMultiple Airlines
Deal found 11/6C$ 558

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 12 June 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

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 8/7

5:20 a.m.-11:00 a.m.

1 stop8h 40m

Seattle/Tacoma Intl

Tue 15/7

7:20 a.m.-7:41 p.m.

1 stop9h 21m

C$ 355

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 15/7

6:30 p.m.-8:28 p.m.

1 stop28h 58m

Seattle/Tacoma Intl

Tue 29/7

7:05 a.m.-5:27 p.m.

1 stop7h 22m

C$ 369

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Wed 16/7

4:10 p.m.-10:50 a.m.

2 stops21h 40m

Seattle/Tacoma Intl

Tue 22/7

10:43 p.m.-3:30 p.m.

1 stop13h 47m

C$ 372

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Thu 4/9

3:45 p.m.-8:29 p.m.

1 stop7h 44m

Seattle/Tacoma Intl

Sun 14/9

2:05 p.m.-12:40 a.m.

1 stop7h 35m

C$ 405

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Mon 11/8

2:25 p.m.-8:41 p.m.

1 stop9h 16m

Seattle/Tacoma Intl

Mon 18/8

5:30 a.m.-7:56 p.m.

2 stops11h 26m

C$ 446

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

4:45 p.m.-7:31 p.m.

Nonstop5h 46m

Seattle/Tacoma Intl

Sun 7/9

7:15 a.m.-3:28 p.m.

Nonstop5h 13m

C$ 492

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

5:30 p.m.-8:28 p.m.

1 stop29h 58m

Seattle/Tacoma Intl

Tue 29/7

2:05 p.m.-12:43 a.m.

1 stop7h 38m

C$ 495

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

6:00 a.m.-3:52 p.m.

2 stops12h 52m

Seattle/Tacoma Intl

Fri 12/9

7:34 p.m.-10:40 a.m.

2 stops12h 06m

C$ 498

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

12:30 p.m.-9:19 p.m.

2 stops11h 49m

Seattle/Tacoma Intl

Mon 8/9

5:43 p.m.-4:30 p.m.

2 stops19h 47m

C$ 500

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Tue 8/7

3:18 p.m.-11:59 p.m.

1 stop11h 41m

Seattle/Tacoma Intl

Tue 15/7

7:34 p.m.-2:16 p.m.

2 stops15h 42m

C$ 510

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 30 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 C$ 261). Flying from Quebec to Seattle in December is currently the most expensive (average of C$ 353). 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 12 June 2025.

When flying from Quebec to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 12 June 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).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 12 June 2025.
To help decide which airline to fly from Quebec to Seattle, see what other customers have to say about Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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$ 217. WestJet flights start at C$ 252 while deals on United Airlines start at C$ 258 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$ 568, our data shows the cheapest flight currently is C$ 303. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 498 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, January is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 261). Flying from Quebec to Seattle in December is currently the most expensive (average of C$ 353). 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 Quebec?

Book flights to Quebec if you plan to visit one of these locations
Leavenworth
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Renton
Olympia
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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 210AverageC$ 645FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 251AverageC$ 644FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 309AverageC$ 625FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 357AverageC$ 551FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 492AverageC$ 621FlexibilityNo 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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