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$33+ Cheap flights from Seattle (SEA) to Canada

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
ene. 25 — feb. 11
dom. 1/25
dom. 2/1
1 adult, Economy
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Cheap flight deals from Seattle to Canada

Cheapest flights from Seattle to Canada
Explore the most affordable flight options available from Seattle to Canada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 26, 2025.

This oojo deal was found by Cheapflights users on 12/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/253:10 pmSEA - YYZ
2 stops11h 48mWestJet
jue. 1/88:45 pmYYZ - SEA
1 stop16h 37mWestJet
Deal found 12/24$461
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. 12/315:50 amSEA - YUL
1 stop8h 10mAir Canada
mié. 1/77:30 amYUL - SEA
1 stop10h 01mAir Canada
Deal found 12/23$532
This Expedia deal was found by Cheapflights users on 12/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:25 amSEA - YVR
Nonstop1h 08mMultiple Airlines
mar. 1/67:35 pmYVR - SEA
Nonstop1h 06mMultiple Airlines
Deal found 12/25$534
This Kiwi.com deal was found by Cheapflights users on 12/24. 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. 12/301:30 pmSEA - YVR
Nonstop1h 09mWestJet
mar. 12/307:32 pmYVR - SEA
Nonstop1h 14mWestJet
Deal found 12/24$555
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/315:54 pmSEA - YUL
2 stops15h 13mUnited Airlines
mié. 1/72:13 pmYUL - SEA
1 stop9h 44mUnited Airlines
Deal found 12/23$556
This Kiwi.com deal was found by Cheapflights users on 12/25. 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.
dom. 12/281:30 pmSEA - YVR
Nonstop1h 09mWestJet
mar. 12/307:32 pmYVR - SEA
Nonstop1h 14mWestJet
Deal found 12/25$556
This Kiwi.com deal was found by Cheapflights users on 12/25. 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.
dom. 12/285:30 pmSEA - YVR
Nonstop1h 09mWestJet
lun. 12/296:00 amYVR - SEA
Nonstop1h 20mWestJet
Deal found 12/25$557
This Air Canada deal was found by Cheapflights users on 12/25. 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. 12/295:50 amSEA - YVR
Nonstop1h 07mAir Canada
dom. 1/49:05 pmYVR - SEA
Nonstop1h 01mAir Canada
Deal found 12/25$559
This Kiwi.com deal was found by Cheapflights users on 12/25. 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. 12/269:25 amSEA - YVR
Nonstop1h 08mWestJet
sáb. 12/2711:24 amYVR - SEA
Nonstop1h 15mWestJet
Deal found 12/25$562
This Kiwi.com deal was found by Cheapflights users on 12/25. 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. 12/291:30 pmSEA - YVR
Nonstop1h 09mWestJet
mié. 12/3111:24 amYVR - SEA
Nonstop1h 15mWestJet
Deal found 12/25$563
This Kiwi.com deal was found by Cheapflights users on 12/25. 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. 12/307:45 pmSEA - YYC
1 stop3h 59mWestJet
mar. 1/611:30 pmYYC - SEA
1 stop9h 05mWestJet
Deal found 12/25$564
This United Airlines deal was found by Cheapflights users on 12/25. 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.
sáb. 12/278:57 amSEA - YVR
1 stop14h 09mUnited Airlines
dom. 1/49:05 pmYVR - SEA
Nonstop1h 01mUnited Airlines
Deal found 12/25$568

Find flight deals from Seattle to Canada

Keep the following information in mind while searching for Seattle to Canada flight deals. Data was last updated diciembre 26, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$104
(Kiwi.com)

One-way from

$33
(Super.com)

Popular in

December

Cheapest in

November

Average price

$553

Good round-trip deal

$194 or less

Good one-way deal

$125 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto (YTO) flights.
Search Deals
From Seattle/Tacoma Intl to Canada
Search Deals
One-way flight from Seattle/Tacoma Intl to Canada
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 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 Seattle/Tacoma Intl to Canada.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Canada.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Canada 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 26, 2025.
Use the filters below to find and compare flights from Seattle to Canada that are best for you.

Fly from

Seattle

Fly to

Canada

Route

Depart

Return

Price

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

dom. 2/8

3:10 pm-9:48 pm

1 stop6h 38m

Kelowna

dom. 2/15

9:05 am-10:25 am

Nonstop1h 20m

$115

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

vie. 1/9

8:00 pm-9:07 pm

Nonstop1h 07m

Vancouver Intl

dom. 1/11

7:00 am-10:22 am

1 stop3h 22m

$115

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

vie. 2/27

11:55 am-1:14 pm

Nonstop1h 19m

Kelowna

lun. 3/2

8:50 am-2:19 pm

1 stop5h 29m

$117

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

mié. 1/21

3:10 pm-10:44 pm

2 stops7h 34m

Vancouver Intl

dom. 1/25

7:00 am-10:22 am

1 stop3h 22m

$118

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

mié. 1/21

3:10 pm-9:50 pm

1 stop6h 40m

Kelowna

sáb. 1/24

9:00 am-10:22 am

Nonstop1h 22m

$120

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

vie. 1/16

11:55 am-1:15 pm

Nonstop1h 20m

Kelowna

dom. 1/18

9:00 am-10:22 am

Nonstop1h 22m

$122

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

sáb. 1/10

7:55 pm-8:55 pm

Nonstop1h 00m

Vancouver Intl

dom. 1/11

7:00 am-10:22 am

1 stop3h 22m

$123

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

vie. 2/13

11:55 am-1:14 pm

Nonstop1h 19m

Kelowna

lun. 2/16

8:50 am-2:19 pm

1 stop5h 29m

$126

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

mié. 1/21

3:10 pm-9:50 pm

1 stop6h 40m

Kelowna

mié. 1/28

8:00 am-9:31 am

Nonstop1h 31m

$129

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

sáb. 3/21

8:41 am-9:40 am

Nonstop0h 59m

Vancouver Intl

lun. 3/23

7:00 am-10:25 am

1 stop3h 25m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

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

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

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Canada (average of $79). Flying from Seattle to Canada in December is currently the most expensive (average of $150). 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 SEA to CA?

Find hourly flight availability from Seattle to Canada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Canada in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the evening.

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

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

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

Weekly flight availability from Seattle to Canada

Explore weekly flight availability from Seattle to Canada. 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 26, 2025.

The most flights from SEA to CA0 are scheduled on a Wednesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from Seattle to Canada delayed?

About 19% of weekly flights between Seattle and Canada have experienced delays in the past year, with the average delay time being 105 minutes.

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

Historically, flights departing in the morning 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 Seattle to Canada flights?

Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

Reviews of airlines servicing Canada

Get insights into the airlines that provide service to Canada. 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 Canada. Reviews last updated diciembre 26, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Seattle to Canada. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,534 reviews

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,534 reviews
Alaska Airlines
8.0
Very good
11,534 reviews

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,014 reviews
Alaska Airlines
8.0
Very good
11,534 reviews

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
9,115 reviews
Alaska Airlines
8.0
Very good
11,534 reviews

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
WestJet
7.2
Good
3,220 reviews
Alaska Airlines
8.0
Very good
11,534 reviews

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Air Canada
7.1
Good
10,562 reviews
Alaska Airlines
8.0
Very good
11,534 reviews

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

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

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

  • How long is the flight from Seattle to Canada?

    A quick flight from Seattle to Canada can take about 5h 07m. WestJet provides one of the quickest options available for as low as $184. The distance from Seattle to Canada is about 557 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 Canada one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $42. Alaska Airlines flights start at $64 while deals on Air Canada start at $71 one-way.

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

    When deciding which route to take from Seattle to Canada consider Seattle/Tacoma Intl - Vancouver Intl, Seattle/Tacoma Intl - Calgary or Seattle/Tacoma Intl - Toronto Pearson Intl as they are the most popular.

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

    Consider Qatar Airways (97%), Alaska Airlines (96%) or Hawaiian Airlines (96%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Canada.

  • What are the cheapest flights from Seattle to Canada?

    Looking at all options, your cheapest flight can be booked for $100. While the most popular route (Seattle/Tacoma Intl - Vancouver Intl) can be booked for $119 on average, our data indicates $1,056 when flying from Seattle to Canada.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Seattle to Canada (average of $79). Flying from Seattle to Canada in December is currently the most expensive (average of $150). 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.

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Top 7 airlines flying from Seattle to Canada

Discover the top 7 airlines that operate flights from Seattle to Canada. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$90Average$413FlexibilityNo cancel feeOn-time67%
DeltaCheapest$108Average$406FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$139Average$363FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$154Average$483FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$175Average$353FlexibilityNo cancel feeOn-time75%
Harbour Air SeaplanesCheapest$222Average$274FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$493Average$668FlexibilityNo cancel feeOn-time71%

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