$191+ Cheap flights from Québec City (YQB) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YQB — SEA
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Québec City to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Québec City to Seattle
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Best
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Cheapest flights from Québec City to SeattleExplore 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 September 13, 2026.
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 September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/251:54 pm -
1 stop10h 11m
Mon 9/2811:57 pm -
1 stop10h 56m
Deal found 9/11![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/271:47 pm -
1 stop12h 12m
Tue 11/311:34 pm -
2 stops10h 17m
Deal found 9/12![American Airlines logo]()
$496
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/256:00 am -
1 stop18h 55m
Tue 9/295:00 am -
2 stops14h 41m
Deal found 9/11![United Airlines logo]()
$625
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 9/162:27 pm -
1 stop10h 09m
Mon 10/1911:59 pm -
1 stop10h 45m
Deal found 9/12![American Airlines logo]()
$691
This Air Canada deal was found by Cheapflights users on 9/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:40 am -
1 stop14h 52m
Wed 9/308:00 am -
1 stop12h 37m
Deal found 9/8![Air Canada logo]()
$702
Best flights from Québec City to SeattleDiscover carefully curated flight deals from Québec City to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Québec City to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/251:54 pm -
1 stop10h 11m
Mon 9/2811:57 pm -
1 stop10h 56m
Deal found 9/11![American Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/256:00 am -
1 stop18h 55m
Tue 9/295:00 am -
2 stops14h 41m
Deal found 9/11![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/273:45 pm -
1 stop11h 14m
Tue 11/311:15 pm -
1 stop14h 26m
Deal found 9/12![United Airlines logo]()
$625
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/2512:45 pm -
1 stop12h 10m
Mon 9/285:05 pm -
2 stops20h 07m
Deal found 9/11![United Airlines logo]()
$627
Last-minute flights from Québec City to SeattleDiscover last-minute flight deals from Québec City to Seattle. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Québec City to Seattle. Data last updated September 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 9/162:27 pm -
1 stop10h 09m
Mon 10/1911:59 pm -
1 stop10h 45m
Deal found 9/12![American Airlines logo]()
$691
This Air Canada deal was found by Cheapflights users on 9/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:40 am -
1 stop14h 52m
Wed 9/308:00 am -
1 stop12h 37m
Deal found 9/8![Air Canada logo]()
$702
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 9/251:54 pm -
1 stop10h 11m
Mon 9/2811:57 pm -
1 stop10h 56m
Deal found 9/11![American Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/256:00 am -
1 stop18h 55m
Tue 9/295:00 am -
2 stops14h 41m
Deal found 9/11![United Airlines logo]()
$625
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/271:47 pm -
1 stop12h 12m
Tue 11/311:34 pm -
2 stops10h 17m
Deal found 9/12![American Airlines logo]()
$496
One-way flights from Québec City to SeattleSearch for one-way flight options from Québec City to Seattle. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Québec City to Seattle. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:30 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$191
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 10/103:59 pm -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$198
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:30 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![WestJet logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 9/297:30 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![WestJet logo]()
$208
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Sat 9/267:30 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![WestJet logo]()
$211
This WestJet deal was found by Cheapflights users on 9/8. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 pm -
1 stop17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![WestJet logo]()
$219
This American Airlines deal was found by Cheapflights users on 9/8. 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 9/241:54 pm -
1 stop10h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/62:29 pm -
2 stops13h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![American Airlines logo]()
$239
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 11/22:00 pm -
1 stop10h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/12:00 pm -
1 stop10h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 11/32:00 pm -
2 stops13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$292
Find 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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $405 (American Airlines) |
One-way from | $191 (CheapOair) |
Popular in | February |
Cheapest in | September |
Average price | $395 |
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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Québec City to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Tue 9/29
6:00 am-9:15 pm
3 stops18h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$342
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Sat 9/26
6:00 am-9:15 pm
3 stops18h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$343
Quickest round-trip
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Sun 12/6
6:00 am-6:09 pm
2 stops15h 09m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$350
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Sat 10/31
6:00 am-10:11 pm
1 stop19h 11m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$353
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Sat 10/3
6:00 am-9:15 pm
2 stops18h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$362
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Fri 10/30
6:00 am-11:18 pm
3 stops20h 18m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$368
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Fri 9/25
1:54 pm-9:05 pm
1 stop10h 11m
Seattle/Tacoma Intl
Mon 9/28
11:57 pm-1:53 pm
1 stop10h 56m
$405
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Fri 9/25
6:00 am-9:55 pm
1 stop18h 55m
Seattle/Tacoma Intl
Tue 9/29
5:00 am-10:41 pm
2 stops14h 41m
$625
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Tue 10/27
3:45 pm-11:59 pm
1 stop11h 14m
Seattle/Tacoma Intl
Tue 11/3
11:15 pm-4:41 pm
1 stop14h 26m
$625
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Fri 9/25
12:45 pm-9:55 pm
1 stop12h 10m
Seattle/Tacoma Intl
Mon 9/28
5:05 pm-4:12 pm
2 stops20h 07m
$627
Sorted by cheapest first
Compare providers for flights from Québec City to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Québec City to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Québec City-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Québec City-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Québec City-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Québec City-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Québec City-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
YQB-SEA
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
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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