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$78+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
ene. 22 — ene. 291
jue. 1/22
jue. 1/29
1 adult, Economy
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Cheap 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 diciembre 23, 2025.

This FlightHub deal was found by Cheapflights users on 12/21. 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.
sáb. 12/276:00 amYVR - SEA
Nonstop1h 07mAlaska Airlines
dom. 3/111:08 pmSEA - YVR
Nonstop1h 02mAlaska Airlines
Deal found 12/21$283
This FlightHub deal was found by Cheapflights users on 12/21. 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.
sáb. 12/271:20 pmYVR - SEA
Nonstop1h 07mMultiple Airlines
dom. 3/111:55 amSEA - YVR
1 stop4h 14mMultiple Airlines
Deal found 12/21$320
This Jettzy deal was found by Cheapflights users on 12/20. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 pmYVR - SEA
Nonstop1h 01mAir Canada
dom. 1/49:55 amSEA - YVR
Nonstop1h 15mAir Canada
Deal found 12/20$327
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
lun. 12/228:45 amYVR - SEA
Nonstop1h 19mWestJet
lun. 1/2611:55 amSEA - YVR
2 stops10h 49mWestJet
Deal found 12/22$363
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
lun. 12/227:55 amYVR - SEA
Nonstop1h 07mAlaska Airlines
lun. 1/2611:05 pmSEA - YVR
Nonstop1h 05mAlaska Airlines
Deal found 12/22$368
This Air Canada deal was found by Cheapflights users on 12/22. 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. 12/301:30 pmYVR - SEA
Nonstop1h 01mAir Canada
jue. 1/15:50 amSEA - YVR
Nonstop1h 10mAir Canada
Deal found 12/22$390
This Air Canada deal was found by Cheapflights users on 12/23. 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.
mié. 12/318:30 amYVR - SEA
Nonstop1h 01mAir Canada
sáb. 1/38:00 pmSEA - YVR
Nonstop1h 07mAir Canada
Deal found 12/23$397
This United Airlines deal was found by Cheapflights users on 12/21. 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.
lun. 12/297:15 pmYVR - SEA
1 stop5h 44mUnited Airlines
lun. 1/55:00 amSEA - YVR
1 stop6h 00mUnited Airlines
Deal found 12/21$404
This Delta deal was found by Cheapflights users on 12/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:24 amYVR - SEA
Nonstop1h 15mDelta
sáb. 1/107:45 pmSEA - YVR
Nonstop1h 09mDelta
Deal found 12/20$409
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
jue. 12/2512:40 pmYEG - SEA
1 stop5h 05mWestJet
lun. 1/511:55 amSEA - YEG
1 stop8h 35mWestJet
Deal found 12/21$411
This Air Canada deal was found by Cheapflights users on 12/22. 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.
mié. 12/247:50 pmYYC - SEA
1 stop3h 56mAir Canada
mar. 1/273:40 pmSEA - YYC
1 stop4h 19mAir Canada
Deal found 12/22$420
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
vie. 12/264:00 pmYYC - SEA
1 stop5h 46mMultiple Airlines
mar. 1/277:55 pmSEA - YYC
1 stop10h 37mMultiple Airlines
Deal found 12/22$447

Find flight deals from Canada to Seattle

Keep the following information in mind while searching for Canada to Seattle flight deals. Data was last updated diciembre 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$129
(Booking.com)

One-way from

$78
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$449

Good round-trip deal

$245 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Toronto (YTO)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Seattle/Tacoma Intl flights.
Search Deals
From Canada to Seattle/Tacoma Intl
Search Deals
One-way flight from Canada to Seattle/Tacoma Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Canada to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Canada to Seattle/Tacoma Intl.
Search Deals

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 diciembre 23, 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

mié. 2/4

8:10 am-9:15 am

Nonstop1h 05m

Seattle/Tacoma Intl

mié. 2/11

9:55 am-11:10 am

Nonstop1h 15m

$129

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

jue. 1/29

8:50 am-2:20 pm

1 stop5h 30m

Seattle/Tacoma Intl

dom. 2/1

11:55 am-1:14 pm

Nonstop1h 19m

$129

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

jue. 1/15

10:25 am-2:31 pm

1 stop4h 06m

Seattle/Tacoma Intl

dom. 1/18

5:50 am-9:39 am

1 stop3h 49m

$132

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

jue. 1/15

10:25 am-2:31 pm

1 stop4h 06m

Seattle/Tacoma Intl

dom. 1/18

11:55 am-1:15 pm

Nonstop1h 20m

$136

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mié. 1/14

7:35 pm-8:39 pm

Nonstop1h 04m

Seattle/Tacoma Intl

mié. 1/21

5:45 pm-6:45 pm

Nonstop1h 00m

$144

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mar. 1/20

6:00 am-7:15 am

Nonstop1h 15m

Seattle/Tacoma Intl

mar. 2/10

3:39 pm-4:45 pm

Nonstop1h 06m

$144

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mar. 1/20

7:35 pm-8:39 pm

Nonstop1h 04m

Seattle/Tacoma Intl

mar. 1/27

11:05 pm-12:10 am

Nonstop1h 05m

$144

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mié. 1/21

5:45 pm-6:49 pm

Nonstop1h 04m

Seattle/Tacoma Intl

mié. 1/28

11:05 pm-12:10 am

Nonstop1h 05m

$144

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

sáb. 1/24

6:00 am-7:15 am

Nonstop1h 15m

Seattle/Tacoma Intl

sáb. 1/24

11:05 pm-12:10 am

Nonstop1h 05m

$144

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

mié. 2/11

7:55 am-8:58 am

Nonstop1h 03m

Seattle/Tacoma Intl

mié. 2/18

11:08 pm-12:10 am

Nonstop1h 02m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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, November is the cheapest month in which you can book a flight from Canada to Seattle (average of $89). Flying from Canada to Seattle in August is currently the most expensive (average of $145). 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 diciembre 23, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Canada to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Canada to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Canada to Seattle. Price data was last updated on December 20, 2025.

Travelers seeking maximum savings on their Canada to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 23, 2025.

The most flights from CA0 to SEA are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Canada to Seattle delayed?

About 16% of weekly flights between Canada and Seattle have experienced delays in the past year, with the average delay time being 123 minutes.

What is the most punctual flight time for Canada to Seattle flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Canada to Seattle flights?

Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 diciembre 23, 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
11,513 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,513 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,015 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,106 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
WestJet
7.2
Good
3,216 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Air Canada
7.1
Good
10,551 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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.

  • How long is the flight from Canada to Seattle?

    For as low as $144, Air Canada can have you in Seattle from Canada in 1h 04m. Canada and Seattle are separated by a distance of 127 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $73. WestJet flights start at $78 while deals on Air Canada start at $99 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 Hawaiian Airlines (90%), Air Tahiti Nui (90%) and Qatar Airways (77%).

  • What are the cheapest flights from Canada to Seattle?

    On average you can expect to pay $365 for a flight from Canada to Seattle. The cheapest flight overall is $122 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at $196.

  • 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, November is the cheapest month in which you can book a flight from Canada to Seattle (average of $89). Flying from Canada to Seattle in August is currently the most expensive (average of $145). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
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Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

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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 diciembre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$77Average$338FlexibilityNo cancel feeOn-time67%
WestJetCheapest$131Average$309FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$164Average$344FlexibilityNo cancel feeOn-time75%
DeltaCheapest$215Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$592FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$277Average$277FlexibilityNo cancel feeOn-time71%

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