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Cheap flights from Quebec to Seattle from C$ 202

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 401

One-way from

C$ 202

Popular in

December

Cheapest in

August

Average price

C$ 836

Good round-trip deal

C$ 518 or less

Good one-way deal

C$ 292 or less
United Airlines
  • United Airlines
  • 13/6-20/6
  • 3 total stops
  • 28h 27m total
  • Quebec to Seattle
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United Airlines
  • United Airlines
  • 13/5
  • 1 total stop
  • 8h 25m total
  • Quebec to Seattle
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Fri 13/65:20 a.m.YQB - SEA
1 stop8h 31mUnited Airlines
Fri 20/67:59 p.m.SEA - YQB
2 stops19h 56mUnited Airlines
Deal found 29/4C$ 401
Wed 28/56:00 a.m.YOW - SEA
1 stop9h 58mWestJet
Wed 11/67:05 a.m.SEA - YOW
1 stop8h 16mWestJet
Deal found 30/4C$ 454
Fri 22/82:50 p.m.YQB - SEA
1 stop8h 51mAir Canada
Thu 28/87:20 a.m.SEA - YQB
1 stop9h 21mAir Canada
Deal found 29/4C$ 457
Wed 21/59:05 a.m.YOW - SEA
1 stop18h 05mMultiple Airlines
Tue 3/63:20 p.m.SEA - YOW
2 stops16h 01mMultiple Airlines
Deal found 28/4C$ 484
Sat 6/97:00 a.m.YUL - SEA
1 stop8h 59mMultiple Airlines
Fri 12/91:15 p.m.SEA - YUL
1 stop21h 57mMultiple Airlines
Deal found 29/4C$ 514
Tue 20/56:45 a.m.YUL - SEA
2 stops33h 13mWestJet
Wed 4/61:50 p.m.SEA - YUL
1 stop7h 53mWestJet
Deal found 29/4C$ 527
Fri 22/85:20 a.m.YQB - SEA
2 stops18h 22mMultiple Airlines
Thu 28/812:10 p.m.SEA - YQB
2 stops18h 40mMultiple Airlines
Deal found 29/4C$ 533
Thu 22/52:35 p.m.YOW - SEA
1 stop8h 02mAir Canada
Tue 3/67:20 a.m.SEA - YOW
1 stop9h 57mAir Canada
Deal found 29/4C$ 541
Thu 8/52:15 p.m.YQB - SEA
1 stop11h 54mAmerican Airlines
Fri 16/511:59 p.m.SEA - YQB
1 stop10h 31mAmerican Airlines
Deal found 29/4C$ 552
Wed 21/510:37 a.m.YOW - SEA
2 stops17h 22mUnited Airlines
Tue 27/512:35 p.m.SEA - YOW
3 stops17h 36mUnited Airlines
Deal found 28/4C$ 591
Wed 21/56:15 a.m.YUL - SEA
2 stops11h 16mDelta
Tue 15/79:25 a.m.SEA - YUL
2 stops10h 50mDelta
Deal found 29/4C$ 670
Mon 19/52:35 p.m.YUL - SEA
2 stops22h 40mAmerican Airlines
Wed 4/611:40 a.m.SEA - YUL
2 stops23h 04mAmerican Airlines
Deal found 28/4C$ 729

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 April 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

Fri 13/6

5:20 a.m.-10:51 a.m.

1 stop8h 31m

Seattle/Tacoma Intl

Fri 20/6

7:59 p.m.-6:55 p.m.

2 stops19h 56m

C$ 401

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 28/5

6:00 a.m.-12:58 p.m.

1 stop9h 58m

Seattle/Tacoma Intl

Wed 11/6

7:05 a.m.-6:21 p.m.

1 stop8h 16m

C$ 454

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 22/8

2:50 p.m.-8:41 p.m.

1 stop8h 51m

Seattle/Tacoma Intl

Thu 28/8

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

1 stop9h 21m

C$ 457

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 21/5

9:05 a.m.-12:10 a.m.

1 stop18h 05m

Seattle/Tacoma Intl

Tue 3/6

3:20 p.m.-10:21 a.m.

2 stops16h 01m

C$ 484

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

7:00 a.m.-12:59 p.m.

1 stop8h 59m

Seattle/Tacoma Intl

Fri 12/9

1:15 p.m.-2:12 p.m.

1 stop21h 57m

C$ 514

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Tue 20/5

6:45 a.m.-12:58 p.m.

2 stops33h 13m

Seattle/Tacoma Intl

Wed 4/6

1:50 p.m.-12:43 a.m.

1 stop7h 53m

C$ 527

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 22/8

5:20 a.m.-8:42 p.m.

2 stops18h 22m

Seattle/Tacoma Intl

Thu 28/8

12:10 p.m.-9:50 a.m.

2 stops18h 40m

C$ 533

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Thu 22/5

2:35 p.m.-7:37 p.m.

1 stop8h 02m

Seattle/Tacoma Intl

Tue 3/6

7:20 a.m.-8:17 p.m.

1 stop9h 57m

C$ 541

OttawaSeattle

YOW - SEA

YOWSEA

Ottawa

Wed 21/5

6:33 a.m.-9:57 p.m.

2 stops18h 24m

Seattle/Tacoma Intl

Tue 3/6

12:35 p.m.-9:11 a.m.

3 stops17h 36m

C$ 591

MontrealSeattle

YUL - SEA

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

6:15 a.m.-2:31 p.m.

2 stops11h 16m

Seattle/Tacoma Intl

Tue 15/7

9:25 a.m.-11:15 p.m.

2 stops10h 50m

C$ 670

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 28 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 30 April 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.

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 30 April 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
7,929 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,823 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 United Airlines, which is currently one of the cheapest options available, starting at C$ 202. American Airlines flights start at C$ 228 while deals on Air Canada start at C$ 235 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$ 509, our data shows the cheapest flight currently is C$ 292. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 471 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
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Olympia
Lynnwood
Leavenworth

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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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 259AverageC$ 718FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 318AverageC$ 662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 319AverageC$ 630FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 362AverageC$ 562FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 509AverageC$ 629FlexibilityNo 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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