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$85+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
févr. 25 — mars 41
mar. 2/25
mar. 3/4
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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$85
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$266

Good round-trip deal

$188 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Toronto (YTO)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Seattle/Tacoma Intl flights.
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From Canada to Seattle/Tacoma Intl
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One-way flight from Canada to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 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 février 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
mer. 3/59:00 amYLW - SEA
Nonstop1h 00mWestJet
jeu. 3/1311:30 amSEA - YLW
Nonstop1h 06mWestJet
Deal found 2/19$129
This Vakatrip deal was found by Cheapflights users on 2/19. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/77:00 amYVR - SEA
1 stop3h 00mWestJet
mar. 4/811:30 amSEA - YVR
1 stop4h 34mWestJet
Deal found 2/19$142
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
jeu. 6/511:15 amYYC - SEA
1 stop3h 54mWestJet
dim. 6/81:15 pmSEA - YYC
1 stop4h 25mWestJet
Deal found 2/19$143
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
jeu. 4/39:00 amYLW - SEA
Nonstop1h 00mMultiple Airlines
lun. 4/77:55 pmSEA - YLW
Nonstop1h 08mMultiple Airlines
Deal found 2/19$143
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
mar. 4/17:00 amYVR - SEA
1 stop3h 00mMultiple Airlines
mer. 4/912:30 pmSEA - YVR
1 stop10h 00mMultiple Airlines
Deal found 2/19$162
This Air Canada deal was found by Cheapflights users on 2/20. 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.
lun. 3/174:45 pmYYC - SEA
1 stop6h 15mAir Canada
jeu. 3/203:05 pmSEA - YYC
1 stop5h 20mAir Canada
Deal found 2/20$173
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mer. 3/195:25 pmYVR - SEA
Nonstop1h 00mUnited Airlines
mer. 3/263:05 pmSEA - YVR
Nonstop1h 07mUnited Airlines
Deal found 2/19$177
This Trip.com deal was found by Cheapflights users on 2/19. 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.
lun. 4/71:25 pmYVR - SEA
Nonstop1h 07mAlaska Airlines
mar. 4/810:47 pmSEA - YVR
Nonstop1h 00mAlaska Airlines
Deal found 2/19$181
This Air Canada deal was found by Cheapflights users on 2/19. 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.
mer. 3/198:50 amYVR - SEA
Nonstop1h 00mAir Canada
mer. 3/263:05 pmSEA - YVR
Nonstop1h 07mAir Canada
Deal found 2/19$185
This CheapTickets deal was found by Cheapflights users on 2/20. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/96:59 pmYYC - SEA
Nonstop1h 46mMultiple Airlines
jeu. 4/103:15 pmSEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 2/20$186
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/63:30 pmYYC - SEA
1 stop10h 25mLufthansa
lun. 3/105:15 amSEA - YYC
1 stop12h 01mLufthansa
Deal found 2/20$187
This Booking.com deal was found by Cheapflights users on 2/19. 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. 4/32:50 pmYLW - SEA
1 stop3h 38mAir Canada
lun. 4/75:45 amSEA - YLW
1 stop3h 27mAir Canada
Deal found 2/19$191

Find flights from Canada to Seattle within your budget

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 février 20, 2025.

Fly from

Canada

Fly to

Seattle

Route

Depart

Return

Price

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

mer. 3/5

9:00 am-10:00 am

Nonstop1h 00m

Seattle/Tacoma Intl

jeu. 3/13

11:30 am-12:36 pm

Nonstop1h 06m

$129

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

lun. 4/7

7:00 am-10:00 am

1 stop3h 00m

Seattle/Tacoma Intl

mar. 4/8

11:30 am-4:04 pm

1 stop4h 34m

$142

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

jeu. 4/3

9:00 am-10:00 am

Nonstop1h 00m

Seattle/Tacoma Intl

lun. 4/7

7:55 pm-9:03 pm

Nonstop1h 08m

$143

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

lun. 3/17

1:20 pm-2:21 pm

Nonstop2h 01m

Seattle/Tacoma Intl

jeu. 3/20

11:30 am-4:13 pm

1 stop3h 43m

$145

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mar. 4/1

7:00 am-10:00 am

1 stop3h 00m

Seattle/Tacoma Intl

mer. 4/9

12:30 pm-10:30 pm

1 stop10h 00m

$162

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

lun. 3/17

4:45 pm-10:00 pm

1 stop6h 15m

Seattle/Tacoma Intl

jeu. 3/20

3:05 pm-9:25 pm

1 stop5h 20m

$173

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mer. 3/19

5:25 pm-6:25 pm

Nonstop1h 00m

Seattle/Tacoma Intl

mer. 3/26

3:05 pm-4:12 pm

Nonstop1h 07m

$177

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

lun. 4/7

1:25 pm-2:32 pm

Nonstop1h 07m

Seattle/Tacoma Intl

mar. 4/8

10:47 pm-11:47 pm

Nonstop1h 00m

$181

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mer. 3/19

8:50 am-9:50 am

Nonstop1h 00m

Seattle/Tacoma Intl

mer. 3/26

3:05 pm-4:12 pm

Nonstop1h 07m

$185

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

mer. 4/9

6:59 pm-7:45 pm

Nonstop1h 46m

Seattle/Tacoma Intl

jeu. 4/10

3:15 pm-5:55 pm

Nonstop1h 40m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from Canada to Seattle

Get recent, data-driven insights about flights from Canada to Seattle including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $411). 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 février 20, 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 février 20, 2025.

The most flights from CA0 to SEA are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 février 20, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Austrian Airlines from Canada to Seattle. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Austrian Airlines
7.6
Good
773 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $85. Alaska Airlines flights start at $88 while deals on United Airlines start at $108 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 Calgary - 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 Alaska Airlines (82%), Hawaiian Airlines (82%) and Qatar Airways (69%).

  • What are the cheapest flights from Canada to Seattle?

    On average you can expect to pay $277 for a flight from Canada to Seattle. The cheapest flight overall is $144 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at $190.

  • 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 July is currently the most expensive (average of $411). 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 Canada?

Book flights to Canada if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Alternative routes for Canada to Seattle

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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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$100Average$336FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$110Average$374FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$128Average$389FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$139Average$321FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$174Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$402Average$596FlexibilityNo cancel feeOn-time71%
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