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$77+ Cheap flights from Canada to Seattle (SEA)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
août 5 — août 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Canada to Seattle

Keep the following information in mind while searching for Canada to Seattle flight deals. Data was last updated juillet 31, 2025.

Round-trip from

$142
(Booking.com)

One-way from

$77
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$402

Good round-trip deal

$217 or less

Good one-way deal

$120 or less
From Canada to Seattle/Tacoma Intl
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One-way flight from Canada to Seattle/Tacoma Intl
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Canada to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Canada to Seattle/Tacoma Intl.
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Find flight deals from Canada to Seattle

Cheapest flights from Canada to Seattle
Explore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/29. 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.
jeu. 9/48:15 amYVR - SEA
Nonstop1h 07mAir Canada
mer. 9/177:15 pmSEA - YVR
Nonstop1h 06mAir Canada
Deal found 7/29$142
This Trip.com deal was found by Cheapflights users on 7/30. 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.
mer. 8/273:30 pmYVR - SEA
1 stop4h 58mWestJet
mer. 9/31:50 pmSEA - YVR
1 stop5h 46mWestJet
Deal found 7/30$156
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/263:30 pmYVR - SEA
Nonstop1h 05mAlaska Airlines
mar. 9/28:37 amSEA - YVR
Nonstop1h 01mAlaska Airlines
Deal found 7/29$159
This Air Canada deal was found by Cheapflights users on 7/30. 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.
mar. 8/265:40 pmYLW - SEA
1 stop4h 36mAir Canada
mar. 9/25:30 amSEA - YLW
1 stop3h 41mAir Canada
Deal found 7/30$163
This FlightHub deal was found by Cheapflights users on 7/30. 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.
mar. 9/166:10 pmYYC - SEA
Nonstop2h 04mWestJet
ven. 9/191:15 pmSEA - YYC
1 stop4h 25mWestJet
Deal found 7/30$173
This Flightnetwork deal was found by Cheapflights users on 7/31. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/123:50 pmYYC - SEA
2 stops7h 26mAir Canada
lun. 9/152:55 pmSEA - YYC
1 stop6h 00mAir Canada
Deal found 7/31$174
This flugladen.de deal was found by Cheapflights users on 7/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/273:30 pmYVR - SEA
1 stop4h 58mMultiple Airlines
mer. 9/37:15 pmSEA - YVR
Nonstop1h 06mMultiple Airlines
Deal found 7/30$177
This Air Canada deal was found by Cheapflights users on 7/31. 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.
jeu. 8/2812:45 pmYEG - SEA
1 stop6h 51mAir Canada
jeu. 9/45:30 amSEA - YEG
1 stop5h 40mAir Canada
Deal found 7/31$185
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/225:17 pmYEG - SEA
Nonstop1h 55mAlaska Airlines
mar. 9/98:00 amSEA - YEG
Nonstop1h 54mAlaska Airlines
Deal found 7/30$186
This FlightHub deal was found by Cheapflights users on 7/30. 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.
ven. 8/2211:15 amYEG - SEA
Nonstop2h 20mWestJet
mar. 9/92:05 pmSEA - YEG
1 stop4h 22mWestJet
Deal found 7/30$187
This United Airlines deal was found by Cheapflights users on 7/30. 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.
ven. 8/223:17 pmYEG - SEA
1 stop7h 00mUnited Airlines
mar. 9/97:00 amSEA - YEG
2 stops14h 04mUnited Airlines
Deal found 7/30$191
This Trip.com deal was found by Cheapflights users on 7/30. 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.
ven. 9/126:15 amYYC - SEA
Nonstop2h 00mAlaska Airlines
lun. 9/159:15 pmSEA - YYC
Nonstop1h 37mAlaska Airlines
Deal found 7/30$192

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada 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 2,558,603 searches. Data last updated juillet 31, 2025.
Use the filters below to find and compare flights from Canada to Seattle that are best for you.

Fly from

Canada

Fly to

Seattle

Route

Depart

Return

Price

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

jeu. 9/4

8:15 am-9:22 am

Nonstop1h 07m

Seattle/Tacoma Intl

mer. 9/17

7:15 pm-8:21 pm

Nonstop1h 06m

$142

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mer. 8/27

3:30 pm-8:28 pm

1 stop4h 58m

Seattle/Tacoma Intl

mer. 9/3

1:50 pm-7:36 pm

1 stop5h 46m

$156

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mar. 8/26

6:00 pm-7:06 pm

Nonstop1h 06m

Seattle/Tacoma Intl

mar. 9/2

8:37 am-9:38 am

Nonstop1h 01m

$159

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

mar. 8/26

5:40 pm-10:16 pm

1 stop4h 36m

Seattle/Tacoma Intl

mar. 9/2

5:30 am-9:11 am

1 stop3h 41m

$163

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

mar. 9/16

6:10 pm-7:14 pm

Nonstop2h 04m

Seattle/Tacoma Intl

ven. 9/19

1:15 pm-6:40 pm

1 stop4h 25m

$173

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

ven. 9/12

3:50 pm-10:16 pm

2 stops7h 26m

Seattle/Tacoma Intl

lun. 9/15

2:55 pm-9:55 pm

1 stop6h 00m

$174

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mer. 8/27

3:30 pm-8:28 pm

1 stop4h 58m

Seattle/Tacoma Intl

mer. 9/3

7:15 pm-8:21 pm

Nonstop1h 06m

$177

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

jeu. 8/28

12:45 pm-6:36 pm

1 stop6h 51m

Seattle/Tacoma Intl

jeu. 9/4

5:30 am-12:10 pm

1 stop5h 40m

$185

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

ven. 8/22

5:17 pm-6:12 pm

Nonstop1h 55m

Seattle/Tacoma Intl

mar. 9/9

8:00 am-10:54 am

Nonstop1h 54m

$186

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

ven. 8/22

11:15 am-12:35 pm

Nonstop2h 20m

Seattle/Tacoma Intl

mar. 9/9

2:05 pm-7:27 pm

1 stop4h 22m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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Best time to book a flight from Canada to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $238). Flying from Canada to Seattle in June is currently the most expensive (average of $389). 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.

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

Find hourly flight availability from Canada to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 31, 2025.

When flying from Canada 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.

Weekly flight availability from Canada to Seattle

Explore weekly flight availability from Canada to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juillet 31, 2025.

The most flights from CA0 to SEA are scheduled on a Wednesday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated juillet 31, 2025.
Read through reviews of airlines operating flights from Canada to Seattle, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
WestJet
7.2
Good
2,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Related info for your journey

Find useful and relevant information for your journey from Canada 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 Canada?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Canada.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $77. Air Canada flights start at $90 while deals on Alaska Airlines start at $95 one-way.

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

    The most popular route from Canada to Seattle is Toronto Pearson Intl - Seattle/Tacoma Intl. You may also consider Vancouver Intl - Seattle/Tacoma Intl or Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl.

  • What are the most reliable airlines from Canada to Seattle?

    The top 3 most reliable airlines when flying from Canada to Seattle are Air Tahiti Nui (94%), Alaska Airlines (93%) and Hawaiian Airlines (93%).

  • What are the cheapest flights from Canada to Seattle?

    On average you can expect to pay $1,247 for a flight from Canada to Seattle. The cheapest flight overall is $140 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at $230.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $238). Flying from Canada to Seattle in June is currently the most expensive (average of $389). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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Top 6 airlines flying from Canada to Seattle

Discover the top 6 airlines that operate flights from Canada 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 2,558,603 searches. Data last updated juillet 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$88Average$357FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$92Average$416FlexibilityNo cancel feeOn-time69%
WestJetCheapest$118Average$348FlexibilityNo cancel feeOn-time60%
DeltaCheapest$123Average$314FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$190Average$342FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$277Average$277FlexibilityNo cancel feeOn-time71%

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