How long is the flight from Quebec to Seattle?

For as low as C$ 348, WestJet can have you in Seattle from Quebec in 8h 25m. The distance from Quebec to Seattle is about 3529 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

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 most popular airlines that fly from Quebec to Seattle?

When booking a flight from Quebec to Seattle, you may want to consider flying on Air Canada, WestJet or United Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from QC to SEA?

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.

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.

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.

C$ 229+ Cheap Flights from Quebec to Seattle

Cheap flight deals from Quebec to Seattle

Enter your travel dates to find the best prices.

Cheapest

Best

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 18 September 2026.

Tue 13/101:20 p.m. -

1 stop8h 25m

Tue 20/107:35 p.m. -

1 stop7h 00m

Deal found 15/9C$ 348

Fri 16/108:15 p.m. -

1 stop16h 25m

Fri 23/107:35 p.m. -

1 stop7h 00m

Deal found 14/9C$ 375

Thu 15/106:45 a.m. -

2 stops15h 00m

Thu 22/107:35 p.m. -

1 stop8h 30m

Deal found 13/9C$ 403

Sun 27/96:45 a.m. -

2 stops15h 00m

Sat 3/107:35 p.m. -

1 stop8h 30m

Deal found 13/9C$ 424

Thu 1/106:45 a.m. -

2 stops15h 00m

Sat 10/107:35 p.m. -

1 stop8h 30m

Deal found 14/9C$ 428

Thu 15/107:15 a.m. -

1 stop14h 30m

Wed 21/107:35 p.m. -

1 stop8h 30m

Deal found 15/9C$ 431

Tue 13/106:45 a.m. -

2 stops15h 00m

Tue 20/107:35 p.m. -

1 stop8h 30m

Deal found 14/9C$ 438

Fri 25/98:00 p.m. -

1 stop16h 40m

Sat 3/107:35 p.m. -

1 stop8h 30m

Deal found 15/9C$ 441

Thu 15/106:45 a.m. -

2 stops15h 00m

Mon 19/107:35 p.m. -

1 stop8h 30m

Deal found 14/9C$ 442

Wed 23/97:15 a.m. -

1 stop14h 30m

Sat 26/97:35 p.m. -

1 stop8h 30m

Deal found 14/9C$ 445

Fri 20/116:10 a.m. -

1 stop10h 30m

Mon 30/115:48 p.m. -

1 stop27h 13m

Deal found 16/9C$ 448

Mon 12/105:00 a.m. -

1 stop8h 05m

Mon 19/107:35 p.m. -

1 stop7h 00m

Deal found 14/9C$ 460

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 18 September 2026.

Tue 13/101:20 p.m. -

1 stop8h 25m

Tue 20/107:35 p.m. -

1 stop7h 00m

Deal found 15/9C$ 348

Mon 12/105:00 a.m. -

1 stop8h 05m

Mon 19/107:35 p.m. -

1 stop7h 00m

Deal found 14/9C$ 460

Thu 3/1212:41 p.m. -

1 stop14h 20m

Mon 7/121:45 p.m. -

1 stop6h 58m

Deal found 14/9C$ 513

Sat 31/107:40 a.m. -

2 stops15h 34m

Sat 7/1111:34 p.m. -

2 stops12h 54m

Deal found 15/9C$ 536

Thu 19/117:45 a.m. -

1 stop9h 52m

Mon 23/118:40 a.m. -

2 stops11h 31m

Deal found 14/9C$ 550

Wed 14/106:00 a.m. -

3 stops15h 52m

Fri 16/106:05 p.m. -

2 stops12h 51m

Deal found 14/9C$ 555

Thu 1/106:45 a.m. -

2 stops15h 00m

Sat 10/107:35 p.m. -

1 stop8h 30m

Deal found 14/9C$ 428

Thu 15/106:45 a.m. -

2 stops15h 00m

Mon 19/107:35 p.m. -

1 stop8h 30m

Deal found 14/9C$ 442

Fri 23/1012:44 p.m. -

1 stop14h 08m

Thu 29/101:42 p.m. -

1 stop6h 40m

Deal found 15/9C$ 513

Tue 13/106:45 a.m. -

2 stops15h 00m

Tue 20/107:35 p.m. -

1 stop8h 30m

Deal found 15/9C$ 449

Fri 20/117:30 a.m. -

1 stop10h 07m

Tue 1/1210:10 a.m. -

1 stop7h 20m

Deal found 13/9C$ 553

Fri 30/109:45 a.m. -

1 stop14h 11m

Tue 3/1110:56 p.m. -

1 stop12h 13m

Deal found 15/9C$ 562

Fri 23/1012:44 p.m. -

1 stop14h 08m

Fri 30/101:42 p.m. -

1 stop6h 40m

Deal found 15/9C$ 513

Thu 19/117:30 a.m. -

1 stop10h 07m

Wed 2/1210:10 a.m. -

1 stop7h 20m

Deal found 13/9C$ 553

Sat 24/106:25 a.m. -

1 stop8h 02m

Sat 31/1010:50 a.m. -

1 stop7h 26m

Deal found 15/9C$ 562

Wed 14/106:55 a.m. -

2 stops14h 50m

Fri 16/107:35 p.m. -

1 stop7h 00m

Deal found 15/9C$ 476

Wed 30/95:20 p.m. -

1 stop8h 36m

Sun 4/105:07 p.m. -

1 stop17h 52m

Deal found 14/9C$ 564

Sun 27/96:45 a.m. -

2 stops15h 00m

Sat 3/1010:30 a.m. -

2 stops10h 55m

Deal found 13/9C$ 478

Thu 1/107:15 a.m. -

1 stop14h 30m

Wed 7/1010:30 a.m. -

1 stop10h 15m

Deal found 13/9C$ 494

Sat 31/102:25 p.m. -

1 stop23h 14m

Sat 7/1111:34 p.m. -

2 stops10h 17m

Deal found 16/9C$ 844

Thu 15/106:10 a.m. -

2 stops15h 35m

Sun 25/108:40 a.m. -

3 stops22h 10m

Deal found 17/9C$ 846

Sat 10/107:20 p.m. -

2 stops17h 20m

Sun 11/107:35 p.m. -

2 stops25h 50m

Deal found 13/9C$ 519

Sat 31/103:45 p.m. -

1 stop10h 32m

Tue 3/117:45 a.m. -

1 stop9h 46m

Deal found 15/9C$ 922

Thu 29/106:05 a.m. -

2 stops11h 32m

Thu 5/1110:10 a.m. -

2 stops9h 26m

Deal found 14/9C$ 846

Thu 29/109:40 p.m. -

2 stops20h 00m

Thu 5/1110:10 a.m. -

3 stops20h 40m

Deal found 14/9C$ 936

Sat 31/106:05 a.m. -

2 stops11h 32m

Tue 3/118:40 a.m. -

2 stops10h 56m

Deal found 15/9C$ 874

Sat 31/106:00 a.m. -

1 stop19h 11m

Sat 7/1111:17 p.m. -

1 stop14h 24m

Deal found 16/9C$ 947

Fri 12/212:45 p.m. -

1 stop11h 20m

Mon 15/210:45 p.m. -

1 stop14h 56m

Deal found 17/9C$ 967

Fri 23/105:00 a.m. -

2 stops14h 03m

Tue 27/1012:20 p.m. -

2 stops23h 25m

Deal found 16/9C$ 968

Find flight deals from Quebec to Seattle

Round-trip from	C$ 348
One-way from	C$ 229
Popular in	April
Cheapest in	September
Average price	C$ 578

WestJet
13/10-20/10
2 total stops
15h 25m total
Quebec to Seattle

Search Deals

WestJet
6/10-31/12
2 total stops
14h 50m total
Quebec to Seattle

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 156 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (C$ 75 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Sun 27/9

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

2 stops15h 00m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 260

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Tue 6/10

4:15 p.m.-6:45 p.m.

1 stop29h 30m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 269

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

12:10 p.m.-10:11 p.m.

2 stops13h 01m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 285

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Wed 20/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 292

MontrealSeattle

YUL Montreal Pierre Elliott Trudeau Intl - SEA Seattle/Tacoma Intl

YULSEA

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

7:20 p.m.-6:45 p.m.

2 stops26h 25m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 292

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Sun 11/10

2:00 p.m.-9:40 a.m.

1 stop22h 40m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 304

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Sat 5/12

7:50 a.m.-6:22 p.m.

2 stops13h 32m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 312

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Thu 29/10

7:45 a.m.-2:37 p.m.

1 stop9h 52m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 312

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Mon 9/11

2:00 p.m.-12:59 a.m.

2 stops13h 59m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 319

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Tue 17/11

6:15 a.m.-11:31 p.m.

2 stops20h 16m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 56 resultsSorted by cheapest first

...

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

YOW-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

YOW-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$ 628). Flying from Quebec to Seattle in June is currently the most expensive (average of C$ 841). 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 below average for this route at the moment.

Quebec to Seattle flights typically cost between C$ 561 and C$ 1,037 in October.
The cheapest round-trip price found within the last 5 days was C$ 403 on WestJet (15 Oct-22 Oct).

How far ahead should I book a flight from Quebec to Seattle?

Booking 45 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

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$ 348, WestJet can have you in Seattle from Quebec in 8h 25m. The distance from Quebec to Seattle is about 3529 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.
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, September is the cheapest month in which you can book a flight from Quebec to Seattle (average of C$ 628). Flying from Quebec to Seattle in June is currently the most expensive (average of C$ 841). 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

SeaTac

Kent

Mukilteo

Leavenworth

Tacoma

Renton

Cashmere

Lynnwood

Ellensburg

Tukwila

Marysville

Federal Way

Kirkland

Browse thousands of different options on Cheapflights for your next trip

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Medicine Hat to Seattle flights

Top 5 airlines flying from Quebec to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 284	AverageC$ 745	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 414	AverageC$ 532	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
American Airlines	CheapestC$ 424	AverageC$ 631	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 431	AverageC$ 820	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 503	AverageC$ 872	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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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Cheap flights from Quebec to Seattle from C$ 229

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Quebec to Seattle

Cheapest flights from Quebec to SeattleExplore 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 18 September 2026.

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 18 September 2026.

Best flights from Quebec to SeattleDiscover 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 18 September 2026.

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 18 September 2026.

Last-minute flights from Quebec to SeattleDiscover last-minute flight deals from Quebec to Seattle. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Quebec to Seattle. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Quebec to SeattleSearch for one-way flight options from Quebec to Seattle. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Quebec to Seattle. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Quebec to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Quebec to Seattle that are best for you.

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.

Cheapflights Insights

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

How much does it cost to fly round-trip from Quebec to Seattle?

Airfare is below average for this route at the moment.

Quebec to Seattle flights typically cost between C$ 561 and C$ 1,037 in October.The cheapest round-trip price found within the last 5 days was C$ 403 on WestJet (15 Oct-22 Oct).

How far ahead should I book a flight from Quebec to Seattle?

Booking 45 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

What airport do you fly into for flights to Seattle from Quebec?

How long is the flight from Quebec to Seattle?

What are the most popular routes from Quebec to Seattle?

Can I find deals for flights from Quebec to Seattle that include hotel bookings?

How can I find direct flights from Quebec to Seattle?

Can I find deals for business class flights from Quebec to Seattle?

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

Travelling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

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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.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Washington

Book a non-stop flight to one of these other cities located in Washington.

Search flights from Quebec to Seattle by cabin class

Find flights from Quebec to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Quebec and Seattle flights

Browse other Quebec and Seattle flight options. Last updated on 18 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.

Top 5 airlines flying from Quebec to Seattle

Fly with Cheapflights

How does Cheapflights help users find flights from Quebec to Seattle?

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

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

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

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Travel Smart

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 18 September 2026.

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 18 September 2026.

Last-minute flights from Quebec to Seattle
Discover last-minute flight deals from Quebec to Seattle. Data last updated 18 September 2026 and is based on user searches.

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 18 September 2026.

Quebec to Seattle flights typically cost between C$ 561 and C$ 1,037 in October.
The cheapest round-trip price found within the last 5 days was C$ 403 on WestJet (15 Oct-22 Oct).