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Cheap flights from Québec City to Seattle from C$ 329

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Québec City to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Québec City (YQB) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 October 2025.

Round-trip from

C$ 485

One-way from

C$ 329

Popular in

February

Cheapest in

January

Average price

C$ 603
Air Canada
  • Air Canada
  • 9/1-13/1
  • 2 total stops
  • 21h 49m total
  • Québec City to Seattle
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Air Canada
  • Air Canada
  • 11/12
  • 2 total stops
  • 12h 31m total
  • Québec City to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Québec City to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Québec City to Seattle
Explore the most affordable flight options available from Québec City to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Fri 12/1210:55 a.m.YQB - SEA
1 stop14h 21mAir Canada
Fri 19/125:50 a.m.SEA - YQB
2 stops13h 38mAir Canada
Deal found 28/10C$ 1,376
Fri 12/127:45 a.m.YQB - SEA
3 stops29h 37mMultiple Airlines
Fri 19/126:16 p.m.SEA - YQB
3 stops35h 44mMultiple Airlines
Deal found 28/10C$ 1,427
Fri 12/1210:55 a.m.YQB - SEA
1 stop14h 21mUnited Airlines
Fri 19/128:10 a.m.SEA - YQB
1 stop7h 28mUnited Airlines
Deal found 28/10C$ 1,773

Cheapflights Fare Finder

 
Customize your flight search to find flights from Québec City 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 28 October 2025.
Use the filters below to find and compare flights from Québec City to Seattle that are best for you.

Fly from

Québec City

Fly to

Seattle

Route

Depart

Return

Price

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 9/1

10:55 a.m.-10:16 p.m.

1 stop14h 21m

Seattle/Tacoma Intl

Tue 13/1

8:00 p.m.-9:45 a.m.

2 stops10h 45m

C$ 485

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 13/3

5:35 a.m.-10:16 p.m.

2 stops19h 41m

Seattle/Tacoma Intl

Tue 17/3

8:00 p.m.-9:45 a.m.

2 stops10h 45m

C$ 593

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 9/1

10:55 a.m.-10:43 p.m.

3 stops14h 48m

Seattle/Tacoma Intl

Tue 13/1

8:00 p.m.-9:45 a.m.

2 stops10h 45m

C$ 683

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/12

10:55 a.m.-10:16 p.m.

1 stop14h 21m

Seattle/Tacoma Intl

Fri 19/12

5:50 a.m.-10:28 p.m.

2 stops13h 38m

C$ 1,376

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Fri 12/12

7:45 a.m.-10:22 a.m.

3 stops29h 37m

Seattle/Tacoma Intl

Fri 19/12

6:16 p.m.-9:00 a.m.

3 stops35h 44m

C$ 1,427

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 11/12

5:00 a.m.-2:31 p.m.

2 stops12h 31m

C$ 329

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sun 7/12

5:00 a.m.-7:16 p.m.

2 stops17h 16m

C$ 429

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Sun 7/12

6:30 a.m.-11:53 a.m.

3 stops32h 23m

C$ 445

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 11/12

6:00 a.m.-11:15 p.m.

3 stops20h 15m

C$ 457

Québec CitySeattle

YQB - SEA

YQBSEA

Québec City

Thu 6/11

10:55 a.m.-10:16 p.m.

1 stop14h 21m

C$ 566

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 12 results
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Best time to book a flight from Québec City to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Québec City 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 Québec City to Seattle

What is the cheapest month to book a flight from Québec City to Seattle?

Currently, June is the cheapest month in which you can book a flight from Québec City to Seattle (average of C$ 215). Flying from Québec City to Seattle in December is currently the most expensive (average of C$ 699). 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 YQB to SEA?

Find hourly flight availability from Québec City 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 28 October 2025.

One of the essential ways to save on airfare from Québec City to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 53% on airfare.

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 28 October 2025.
Read reviews from past customers who have flown United Airlines,American Airlines, andAir Canada from Québec City to Seattle. 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.
United Airlines
7.4
Good
8,996 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,996 reviews
United Airlines
7.4
Good
8,996 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,033 reviews
United Airlines
7.4
Good
8,996 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,370 reviews
United Airlines
7.4
Good
8,996 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Québec City to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Québec City to Seattle?

    A quick flight from Québec City to Seattle can take about 14h 21m. Air Canada provides one of the quickest options available for as low as C$ 485. There are 3780 km between Québec City and Seattle.

  • What are the cheapest airlines flying from Québec City to Seattle round-trip?

    According to our current data, United Airlines (C$ 215), American Airlines (C$ 317), and Air Canada (C$ 372) offers the cheapest pricing from Québec City to Seattle. United Airlines is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Québec City to Seattle that include hotel bookings?

    Yes. In addition to deals on Québec City to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Québec City to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Québec City to Seattle.

  • Can I find deals for business class flights from Québec City to Seattle?

    Yes. Cheapflights offers flight deals from Québec City 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 Québec City to Seattle?

    Currently, June is the cheapest month in which you can book a flight from Québec City to Seattle (average of C$ 215). Flying from Québec City to Seattle in December is currently the most expensive (average of C$ 699). 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
Renton
Olympia
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Québec City to Seattle

Discover the top 3 airlines that operate flights from Québec City 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 215AverageC$ 564FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 317AverageC$ 611FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 372AverageC$ 596FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Québec City 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 Québec City today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Québec City to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Québec City to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Québec City to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Québec City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Québec City to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Québec City 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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