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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — SEA
2 Dec — 9 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Quebec to Seattle
Enter your travel dates to find the best prices.
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Last-minute
One-way
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 2 November 2026.
Thu 3/1212:08 p.m. -
1 stop11h 23m
Wed 9/129:15 a.m. -
1 stop10h 33m
Deal found 28/10C$ 601
Thu 3/126:00 a.m. -
1 stop8h 10m
Wed 9/129:50 a.m. -
1 stop10h 43m
Deal found 1/11C$ 605
Fri 11/1212:08 p.m. -
1 stop11h 23m
Mon 14/1211:39 p.m. -
1 stop8h 49m
Deal found 28/10C$ 611
Wed 2/124:01 p.m. -
1 stop9h 37m
Mon 7/1211:39 p.m. -
1 stop8h 49m
Deal found 31/10C$ 612
Thu 3/121:05 p.m. -
2 stops11h 52m
Wed 9/1210:10 a.m. -
1 stop7h 20m
Deal found 28/10C$ 615
Thu 3/121:04 p.m. -
2 stops13h 44m
Tue 8/1211:39 p.m. -
2 stops9h 45m
Deal found 29/10C$ 622
Wed 2/1212:41 p.m. -
1 stop14h 14m
Tue 8/126:00 a.m. -
1 stop6h 59m
Deal found 29/10C$ 623
Sat 5/1210:55 a.m. -
2 stops13h 04m
Mon 7/127:45 a.m. -
1 stop10h 06m
Deal found 30/10C$ 966
Fri 6/115:40 p.m. -
2 stops18h 52m
Mon 9/1110:10 a.m. -
2 stops9h 26m
Deal found 29/10C$ 1,131
Tue 15/125:45 p.m. -
3 stops32h 59m
Tue 22/1211:44 p.m. -
2 stops29h 37m
Deal found 31/10C$ 1,164
Sat 5/121:55 p.m. -
2 stops33h 09m
Mon 7/122:30 p.m. -
3 stops23h 00m
Deal found 30/10C$ 1,370
Best flights from Quebec to Seattle
Discover carefully curated flight deals from Quebec to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 2 November 2026.
Fri 8/16:00 a.m. -
1 stop11h 40m
Sat 16/112:00 p.m. -
1 stop8h 44m
Deal found 31/10C$ 605
Thu 3/1212:08 p.m. -
1 stop11h 23m
Wed 9/129:15 a.m. -
1 stop10h 33m
Deal found 31/10C$ 607
Thu 3/126:45 a.m. -
2 stops33h 55m
Wed 9/122:30 p.m. -
1 stop21h 20m
Deal found 2/11C$ 664
Sun 22/119:15 a.m. -
2 stops18h 44m
Fri 27/116:30 a.m. -
1 stop12h 12m
Deal found 30/10C$ 679
Thu 4/25:55 a.m. -
2 stops11h 42m
Mon 8/27:45 a.m. -
1 stop9h 46m
Deal found 30/10C$ 935
Thu 4/28:29 a.m. -
1 stop14h 09m
Mon 8/27:45 a.m. -
1 stop9h 46m
Deal found 30/10C$ 957
Fri 4/1212:50 p.m. -
1 stop12h 13m
Mon 7/1211:59 p.m. -
1 stop8h 37m
Deal found 29/10C$ 623
Fri 26/37:00 a.m. -
1 stop12h 35m
Mon 29/39:20 p.m. -
1 stop11h 24m
Deal found 30/10C$ 626
Thu 3/126:00 a.m. -
1 stop8h 10m
Wed 9/128:30 a.m. -
1 stop12h 18m
Deal found 30/10C$ 626
Sun 6/127:10 a.m. -
1 stop13h 00m
Fri 11/1211:59 p.m. -
1 stop10h 48m
Deal found 28/10C$ 640
Sun 22/116:00 a.m. -
1 stop8h 09m
Fri 27/116:00 a.m. -
1 stop10h 47m
Deal found 1/11C$ 658
Sat 5/1210:55 a.m. -
2 stops13h 04m
Mon 7/1210:10 a.m. -
2 stops9h 36m
Deal found 30/10C$ 967
Mon 23/117:10 a.m. -
1 stop13h 00m
Fri 27/116:00 a.m. -
1 stop10h 47m
Deal found 1/11C$ 658
Tue 15/125:45 p.m. -
2 stops23h 04m
Tue 22/1211:44 p.m. -
2 stops29h 37m
Deal found 31/10C$ 1,164
Sat 24/46:00 a.m. -
1 stop11h 23m
Sun 2/57:50 a.m. -
1 stop13h 01m
Deal found 28/10C$ 667
Sat 5/121:55 p.m. -
2 stops33h 09m
Mon 7/122:30 p.m. -
3 stops23h 00m
Deal found 30/10C$ 1,370
Last-minute flights from Quebec to Seattle
Discover last-minute flight deals from Quebec to Seattle. Data last updated 2 November 2026 and is based on user searches.
Fri 6/115:40 p.m. -
2 stops18h 52m
Mon 9/1110:10 a.m. -
2 stops9h 26m
Deal found 29/10C$ 1,131
Fri 6/1112:45 p.m. -
1 stop11h 54m
Mon 9/1111:15 p.m. -
1 stop9h 45m
Deal found 1/11C$ 1,400
Sat 14/111:04 p.m. -
1 stop11h 55m
Mon 16/1111:34 p.m. -
1 stop8h 51m
Deal found 31/10C$ 671
Sat 14/113:10 p.m. -
1 stop8h 49m
Fri 20/117:45 a.m. -
1 stop11h 00m
Deal found 28/10C$ 709
Wed 18/117:30 a.m. -
1 stop10h 07m
Fri 20/117:45 a.m. -
1 stop11h 00m
Deal found 28/10C$ 697
Sun 22/1112:50 p.m. -
1 stop12h 08m
Fri 27/119:45 a.m. -
1 stop7h 02m
Deal found 30/10C$ 658
Sun 22/117:30 a.m. -
1 stop10h 07m
Fri 27/118:40 a.m. -
1 stop7h 55m
Deal found 30/10C$ 668
Sun 22/119:15 a.m. -
2 stops18h 44m
Fri 27/116:30 a.m. -
1 stop12h 12m
Deal found 30/10C$ 679
Sun 22/116:45 a.m. -
2 stops33h 55m
Fri 27/112:30 p.m. -
2 stops31h 00m
Deal found 2/11C$ 695
Mon 23/119:15 a.m. -
2 stops16h 36m
Fri 27/116:30 a.m. -
1 stop12h 12m
Deal found 29/10C$ 676
Mon 23/111:10 p.m. -
1 stop10h 49m
Fri 27/118:40 a.m. -
2 stops11h 54m
Deal found 1/11C$ 690
Wed 25/117:10 a.m. -
1 stop13h 00m
Fri 27/116:00 a.m. -
1 stop10h 47m
Deal found 30/10C$ 660
One-way flights from Quebec to Seattle
Search for one-way flight options from Quebec to Seattle. Find affordable one-way fares based on user searches. Data last updated 2 November 2026.
Tue 26/16:00 a.m. -
1 stop11h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/11C$ 344
Fri 15/16:00 a.m. -
1 stop11h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/10C$ 345
Fri 23/46:45 a.m. -
2 stops10h 55m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/10C$ 351
Sun 13/127:00 a.m. -
1 stop10h 38m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/10C$ 354
Sun 13/127:33 a.m. -
2 stops11h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/10C$ 355
Thu 19/116:45 a.m. -
2 stops33h 55m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/11C$ 359
Fri 4/121:04 p.m. -
2 stops14h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 361
Tue 26/11:00 p.m. -
2 stops14h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/11C$ 362
Fri 20/117:30 a.m. -
1 stop10h 07m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/11C$ 369
Sun 22/1112:44 p.m. -
1 stop14h 13m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/10C$ 370
Wed 25/116:00 a.m. -
1 stop11h 55m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 372
Wed 16/1210:55 a.m. -
2 stops13h 04m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/11C$ 513
Find flight deals from Quebec to Seattle
Keep the following information in mind while searching for Quebec to Seattle flight deals. Data was last updated 2 November 2026.
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 7,457,451 searches. Data last updated 2 November 2026.
Use the filters below to find and compare flights from Quebec to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
Quickest round-trip
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Fri 4/12
6:00 a.m.-11:10 a.m.
1 stop8h 10m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 344
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Fri 23/4
12:45 p.m.-10:05 p.m.
1 stop12h 20m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 344
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Fri 15/1
6:00 a.m.-2:40 p.m.
1 stop11h 40m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 345
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Sun 13/12
7:00 a.m.-2:38 p.m.
1 stop10h 38m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 354
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Thu 17/12
12:50 p.m.-10:03 p.m.
1 stop12h 13m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 355
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Mon 4/1
6:00 a.m.-2:40 p.m.
1 stop11h 40m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 369
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Mon 23/11
7:00 a.m.-9:50 p.m.
2 stops17h 50m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 382
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Wed 25/11
2:13 p.m.-11:15 p.m.
2 stops12h 02m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 382
MontrealSeattle
YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl
YULSEA
Montreal Pierre Elliott Trudeau Intl
Sun 22/11
2:13 p.m.-11:15 p.m.
2 stops12h 02m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 382
Québec CitySeattle
YQB Québec City - SEA Seattle/Tacoma Intl
YQBSEA
Québec City
Fri 29/1
5:55 a.m.-2:37 p.m.
2 stops11h 42m
Seattle/Tacoma Intl
Wed 31/12
12:00 a.m.-3:00 a.m.
Nonstop0h 00m
C$ 516
Flights are sorted by cheapest round-trip flights first.
Deals found on 30/10
Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3
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.
YUL-SEA
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 Quebec to Seattle
CAQC-SEA
YUL-SEA
YQB-SEA
What is the cheapest month to book a flight from Quebec to Seattle?
Currently, September is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 608). Flying from Quebec to Seattle in June is currently the most expensive (average of C$ 825). 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.
How much does it cost to fly round-trip from Quebec to Seattle?
Airfare is typical for this route at the moment.
Quebec to Seattle flights typically cost between C$ 595 and C$ 844 in December.The cheapest round-trip price found within the last 5 days was C$ 601 on American Airlines (3 Dec-9 Dec).
How far ahead should I book a flight from Quebec to Seattle?
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Quebec to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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.
How long is the flight from Quebec to Seattle?
For as low as C$ 607, Delta can have you in Seattle from Quebec in 11h 23m. The distance from Quebec to Seattle is about 3663 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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$ 721, our data shows the cheapest flight currently is C$ 670. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 605 for that flight.
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, September is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 608). Flying from Quebec to Seattle in June is currently the most expensive (average of C$ 825). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 November 2026.
Discover the top 4 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 7,457,451 searches. Data last updated 2 November 2026.
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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