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$170+ Cheap flights from Seattle (SEA) to Quebec

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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Cheap flight deals from Seattle to Quebec

Cheapest flights from Seattle to Quebec
Explore the most affordable flight options available from Seattle to Quebec. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.

This CheapOair deal was found by Cheapflights users on 6/8. 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.
Sun 10/47:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Sat 10/106:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$383
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:35 pm
SEA
-
YUL
1 stop8h 30m
Multiple Airlines
Sat 9/121:10 pm
YUL
-
SEA
2 stops10h 54m
Multiple Airlines
Deal found 6/12$388
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 9/148:00 pm
YUL
-
SEA
1 stop25h 45m
WestJet
Deal found 6/8$400
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Sun 10/46:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$401
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 9/76:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/10$402
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 7/96:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/10$403
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 9/306:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 6/8$404
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:35 pm
SEA
-
YUL
1 stop8h 30m
Multiple Airlines
Tue 7/2110:40 am
YUL
-
SEA
2 stops13h 27m
Multiple Airlines
Deal found 6/10$405
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:00 pm
SEA
-
YUL
2 stops13h 10m
Air Canada
Tue 7/2110:40 am
YUL
-
SEA
2 stops13h 27m
Air Canada
Deal found 6/10$406
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 7/98:00 pm
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 6/11$408
This CheapOair deal was found by Cheapflights users on 6/8. 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.
Wed 7/157:00 am
SEA
-
YOW
1 stop7h 15m
WestJet
Thu 8/271:20 pm
YOW
-
SEA
1 stop8h 25m
WestJet
Deal found 6/8$422
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:35 pm
SEA
-
YOW
1 stop7h 00m
WestJet
Tue 7/141:20 pm
YOW
-
SEA
1 stop8h 25m
WestJet
Deal found 6/8$423

Find flight deals from Seattle to Quebec

Keep the following information in mind while searching for Seattle to Quebec flight deals. Data was last updated June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$383
(CheapOair)

One-way from

$170
(Air Canada)

Popular in

December

Cheapest in

March

Average price

$719

Good round-trip deal

$3,219 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Montreal (YMQ) flights.
Search Deals
From Seattle/Tacoma Intl to Quebec
Search Deals
One-way flight from Seattle/Tacoma Intl to Quebec
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Quebec.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Quebec 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 2,558,603 searches. Data last updated June 12, 2026.
Use the filters below to find and compare flights from Seattle to Quebec that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/23

10:30 am-12:25 am

2 stops10h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 9/29

6:45 am-6:45 pm

2 stops15h 00m

$452

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/9

7:35 pm-7:05 am

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

8:00 pm-6:45 pm

1 stop25h 45m

$452

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 8/15

7:35 pm-5:35 am

1 stop7h 00m

Ottawa

Wed 8/19

7:20 am-9:40 am

1 stop29h 20m

$452

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 8/30

10:30 am-12:20 am

2 stops10h 50m

Ottawa

Sat 9/5

4:15 pm-9:40 am

1 stop20h 25m

$465

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 7/7

7:35 pm-7:20 pm

1 stop20h 45m

Ottawa

Tue 7/14

6:55 am-6:45 pm

2 stops14h 50m

$465

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 8/18

10:30 am-12:20 am

2 stops10h 50m

Ottawa

Fri 8/21

4:15 pm-6:45 pm

1 stop29h 30m

$465

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 9/15

7:35 pm-5:35 am

1 stop7h 00m

Ottawa

Sun 9/20

6:55 am-6:45 pm

2 stops14h 50m

$476

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 9/4

7:35 pm-5:35 am

1 stop7h 00m

Ottawa

Mon 9/7

6:55 am-6:45 pm

2 stops14h 50m

$476

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/23

11:00 pm-10:40 am

1 stop8h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

2:20 pm-8:37 pm

1 stop9h 17m

$478

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 9/28

7:00 am-5:30 pm

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

6:35 pm-1:15 am

1 stop9h 40m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 58 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Quebec

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

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Quebec (average of $140). Flying from Seattle to Quebec in April is currently the most expensive (average of $428). 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 Seattle to Quebec?

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

The best time to book flights from Seattle to Quebec is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Quebec

Get insights into the airlines that provide service to Quebec. 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 Quebec. Reviews last updated June 12, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Seattle to Quebec. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,401 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,401 reviews
Delta
7.9
Good
8,401 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,812 reviews
Delta
7.9
Good
8,401 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
WestJet
7.2
Good
3,357 reviews
Delta
7.9
Good
8,401 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,646 reviews
Delta
7.9
Good
8,401 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,170 reviews
Delta
7.9
Good
8,401 reviews

Boarding

8.1

Food

7.2

Comfort

7.8

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Seattle to Quebec. 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 from for flights from Seattle to Quebec?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Quebec.

  • How long is the flight from Seattle to Quebec?

    WestJet and American Airlines can get you from Seattle to Quebec in just under 8h 30m. Your travel time can differ by up to 10h 16m. Seattle and Quebec are separated by a distance of 2276 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Seattle to Quebec one-way?

    One-way options have recently been found by users for as low as $112 on WestJet. Other airlines that offer cheap prices include United Airlines from $144 and American Airlines from $170 one-way.

  • What are the most popular routes from Seattle to Quebec?

    Most travelers choose Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl, Seattle/Tacoma Intl - Québec City or Seattle/Tacoma Intl - Ottawa when deciding on the best route from Seattle to Quebec.

  • What are the cheapest flights from Seattle to Quebec?

    While on average a flight from Seattle to Quebec is generally $3,701, our data shows the cheapest flight currently is $3,185. When looking at the most popular route, (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $408 for that flight.

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

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

  • How can I find direct flights from Seattle to Quebec?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Quebec 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 Seattle to Quebec?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Quebec (average of $140). Flying from Seattle to Quebec in April is currently the most expensive (average of $428). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Seattle to Quebec

Discover the top 5 airlines that operate flights from Seattle to Quebec. 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 2,558,603 searches. Data last updated June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$150Average$669FlexibilityNo cancel feeOn-time69%
WestJetCheapest$281Average$369FlexibilityNo cancel feeOn-time60%
DeltaCheapest$310Average$619FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$312Average$682FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$405Average$531FlexibilityNo cancel feeOn-time71%

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