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$126+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YUL
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
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 May 15, 2026.

This Trip.com deal was found by Cheapflights users on 5/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 7/76:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/13$303
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/307:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Thu 7/96:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/14$305
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Sun 7/197:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 7/296:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/10$315
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/307:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 7/86:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/12$319
This Trip.com deal was found by Cheapflights users on 5/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:30 am
SEA
-
YUL
2 stops10h 55m
WestJet
Wed 9/96:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/15$321
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Wed 7/17:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Wed 7/86:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/12$322
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 7/257:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 7/286:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/10$324
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Sun 7/197:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Fri 7/246:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/14$325
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Sun 7/197:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Mon 7/278:00 pm
YUL
-
SEA
1 stop16h 40m
WestJet
Deal found 5/10$326
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Wed 7/17:35 pm
SEA
-
YUL
1 stop8h 30m
WestJet
Tue 7/76:45 am
YUL
-
SEA
2 stops15h 00m
WestJet
Deal found 5/13$328
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:35 pm
SEA
-
YOW
1 stop7h 00m
WestJet
Thu 6/41:20 pm
YOW
-
SEA
1 stop8h 25m
WestJet
Deal found 5/11$364
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Sat 7/257:35 pm
SEA
-
YOW
1 stop7h 00m
WestJet
Wed 7/291:20 pm
YOW
-
SEA
1 stop8h 25m
WestJet
Deal found 5/12$372

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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Trip.com)

One-way from

$126
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$768

Good round-trip deal

$3,219 or less

Good one-way deal

$279 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. 10% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Quebec.
Search Deals
Price to beat on a one-way 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 May 15, 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

Thu 7/23

10:30 am-11:45 pm

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 7/25

8:00 pm-9:40 am

1 stop16h 40m

$381

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 7/28

10:30 am-11:45 pm

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 8/4

5:45 pm-9:40 am

2 stops18h 55m

$397

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sat 7/25

10:30 am-12:30 pm

2 stops23h 00m

Ottawa

Sat 8/1

1:20 pm-6:45 pm

1 stop8h 25m

$403

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 9/25

10:30 am-12:25 am

2 stops10h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 9/28

5:45 pm-6:45 pm

2 stops28h 00m

$409

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 9/23

7:35 pm-7:05 am

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 10/5

5:45 pm-9:40 am

2 stops18h 55m

$413

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 7/28

7:00 am-7:20 pm

1 stop9h 20m

Ottawa

Wed 8/5

6:55 am-6:45 pm

2 stops14h 50m

$423

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 6/24

10:30 am-12:58 pm

1 stop23h 28m

Ottawa

Mon 6/29

7:20 am-6:45 pm

1 stop14h 25m

$458

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 7/26

7:00 am-12:20 am

2 stops14h 20m

Ottawa

Tue 7/28

1:20 pm-6:45 pm

1 stop8h 25m

$463

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 7/24

7:00 am-5:15 pm

1 stop7h 15m

Ottawa

Fri 7/31

6:25 pm-9:40 am

2 stops18h 15m

$469

SeattleQuébec City

SEA - YQB

SEAYQB

Seattle/Tacoma Intl

Tue 7/28

11:56 pm-1:14 pm

1 stop10h 18m

Québec City

Sat 8/1

5:48 pm-12:52 am

1 stop10h 04m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 57 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

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

The best time to book flights from Seattle to Quebec is 73 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.

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

Currently, June is the cheapest month in which you can book a flight from Seattle to Quebec (average of $107). 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?

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 May 15, 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
8,453 reviews

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.8

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
8,453 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.8

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
9,722 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.8

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
3,335 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.8

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
11,042 reviews
Delta
7.9
Good
8,453 reviews

Boarding

8.1

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.8

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 10h 18m. Your travel time can differ by up to 7h 52m. Seattle and Quebec are separated by a distance of 2349 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 $130 and Air Canada from $166 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 $2,036, our data shows the cheapest flight currently is $257. When looking at the most popular route, (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $418 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, June is the cheapest month in which you can book a flight from Seattle to Quebec (average of $107). 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 4 airlines flying from Seattle to Quebec

Discover the top 4 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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$150Average$613FlexibilityNo cancel feeOn-time69%
WestJetCheapest$151Average$441FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$273Average$669FlexibilityNo cancel feeOn-time67%
DeltaCheapest$310Average$619FlexibilityNo cancel feeOn-timeN/A

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