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$52+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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Cheap flight deals from Seattle to Canada

Keep the following information in mind while searching for Seattle to Canada flight deals. Data was last updated March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$115
(Kiwi.com)

One-way from

$52
(Gotogate)

Popular in

April

Cheapest in

January

Average price

$436

Good round-trip deal

$135 or less

Good one-way deal

$99 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto (YTO) flights.
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From Seattle/Tacoma Intl to Canada
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One-way flight from Seattle/Tacoma Intl to Canada
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Highest demand for flights based on searches. 14% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Canada.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Canada.
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Find 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 March 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Fri 5/27:05 amSEA - YLW
1 stop4h 19mWestJet
Sun 5/47:00 amYLW - SEA
1 stop5h 58mWestJet
Deal found 3/3$115
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 11/2611:30 amSEA - YYC
1 stop3h 45mWestJet
Sun 11/301:30 pmYYC - SEA
Nonstop2h 08mWestJet
Deal found 3/1$139
This Gotogate deal was found by Cheapflights users on 3/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:50 pmSEA - YYC
Nonstop1h 41mMultiple Airlines
Wed 10/86:00 amYYC - SEA
1 stop4h 21mMultiple Airlines
Deal found 3/2$148
This Travelocity deal was found by Cheapflights users on 3/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/201:15 pmSEA - YLW
2 stops8h 34mMultiple Airlines
Thu 6/262:36 pmYLW - SEA
Nonstop1h 15mMultiple Airlines
Deal found 3/2$148
This Air Canada deal was found by Cheapflights users on 3/2. 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.
Thu 5/15:40 amSEA - YLW
1 stop3h 32mAir Canada
Sun 5/45:40 pmYLW - SEA
1 stop4h 33mAir Canada
Deal found 3/2$157
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/211:30 amSEA - YVR
1 stop3h 34mWestJet
Wed 4/97:00 amYVR - SEA
1 stop3h 00mWestJet
Deal found 3/2$178
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 4/1912:30 pmSEA - YVR
1 stop10h 00mMultiple Airlines
Sat 5/39:00 amYVR - SEA
1 stop5h 09mMultiple Airlines
Deal found 3/1$185
This Flightnetwork deal was found by Cheapflights users on 3/2. 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.
Fri 4/113:05 pmSEA - YYC
1 stop5h 18mAir Canada
Mon 4/1412:35 pmYYC - SEA
2 stops10h 28mAir Canada
Deal found 3/2$189
This Kiwi.com deal was found by Cheapflights users on 3/2. 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 4/1512:30 pmSEA - YYZ
1 stop15h 13mMultiple Airlines
Tue 4/228:00 pmYYZ - SEA
1 stop18h 35mMultiple Airlines
Deal found 3/2$196
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Thu 9/1112:59 pmSEA - YYC
1 stop8h 27mUnited Airlines
Sat 9/206:15 amYYC - SEA
1 stop12h 54mUnited Airlines
Deal found 3/1$196
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Mon 3/319:55 amSEA - YLW
Nonstop1h 09mAlaska Airlines
Sat 4/511:54 amYLW - SEA
Nonstop1h 13mAlaska Airlines
Deal found 3/2$203
This Flightnetwork deal was found by Cheapflights users on 3/3. 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.
Thu 4/173:15 pmSEA - YEG
1 stop4h 47mMultiple Airlines
Thu 4/246:10 amYEG - SEA
1 stop4h 43mMultiple Airlines
Deal found 3/3$207

Find flights from Seattle to Canada within your budget

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 March 3, 2025.

Fly from

Seattle

Fly to

Canada

Route

Depart

Return

Price

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

Fri 5/2

7:05 am-11:24 am

1 stop4h 19m

Kelowna

Sun 5/4

7:00 am-12:58 pm

1 stop5h 58m

$115

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 6/2

3:39 pm-8:35 pm

1 stop3h 56m

Calgary

Mon 6/9

11:15 am-2:09 pm

1 stop3h 54m

$140

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

Fri 6/20

1:15 pm-9:49 pm

2 stops8h 34m

Kelowna

Thu 6/26

2:36 pm-3:51 pm

Nonstop1h 15m

$148

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 4/15

3:15 pm-5:55 pm

Nonstop1h 40m

Calgary

Tue 4/22

2:25 pm-6:28 pm

1 stop5h 03m

$150

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

Thu 5/1

5:40 am-9:12 am

1 stop3h 32m

Kelowna

Sun 5/4

5:40 pm-10:13 pm

1 stop4h 33m

$157

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Wed 4/2

11:30 am-3:04 pm

1 stop3h 34m

Vancouver Intl

Wed 4/9

7:00 am-10:00 am

1 stop3h 00m

$178

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Sat 4/19

12:30 pm-10:30 pm

1 stop10h 00m

Vancouver Intl

Sat 5/3

9:00 am-2:09 pm

1 stop5h 09m

$185

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 4/11

3:05 pm-9:23 pm

1 stop5h 18m

Calgary

Mon 4/14

12:35 pm-10:03 pm

2 stops10h 28m

$189

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 4/15

12:30 pm-6:43 am

1 stop15h 13m

Toronto Pearson Intl

Tue 4/22

8:00 pm-11:35 am

1 stop18h 35m

$196

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

Mon 3/31

9:55 am-11:04 am

Nonstop1h 09m

Kelowna

Sat 4/5

11:54 am-1:07 pm

Nonstop1h 13m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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.

Travel insights for flights from Seattle to Canada

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Canada (average of $243). Flying from Seattle to Canada in July is currently the most expensive (average of $359). 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 March 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Canada as you normally would.

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 March 3, 2025.

The most flights from SEA to CA0 are scheduled on a Friday (6 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 Canada by month

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

In terms of precipitation, rainfall in Canada ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Canada when rainfall is around 2.0 in.

Temperature in Canada by month

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

If weather is an important factor for your trip to Canada, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 March 3, 2025.
Read through reviews of airlines operating flights from Seattle to Canada, such as Alaska Airlines, Delta and Aeromexico. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,710 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines
8.0
Very good
9,710 reviews
Alaska Airlines
8.0
Very good
9,710 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta
8.0
Very good
8,068 reviews
Alaska Airlines
8.0
Very good
9,710 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Aeromexico
7.5
Good
1,744 reviews
Alaska Airlines
8.0
Very good
9,710 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines
7.4
Good
8,679 reviews
Alaska Airlines
8.0
Very good
9,710 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,710 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

  • 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 $52. United Airlines flights start at $73 while deals on Air Canada start at $75 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 - Calgary, Seattle/Tacoma Intl - Toronto Pearson Intl or Seattle/Tacoma Intl - Vancouver Intl as they are the most popular.

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

    Consider Alaska Airlines (87%), Hawaiian Airlines (87%) or Air Canada (82%) 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 $126. While the most popular route (Seattle/Tacoma Intl - Calgary) can be booked for $143 on average our data indicates $973 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, January is the cheapest month in which you can book a flight from Seattle to Canada (average of $243). Flying from Seattle to Canada in July is currently the most expensive (average of $359). 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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Alternative routes for Seattle to Canada

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$88Average$452FlexibilityNo cancel feeOn-time67%
WestJetCheapest$110Average$369FlexibilityNo cancel feeOn-time60%
DeltaCheapest$113Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$117Average$507FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$130Average$368FlexibilityNo cancel feeOn-time75%
Harbour Air SeaplanesCheapest$202Average$297FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$464Average$765FlexibilityNo cancel feeOn-time71%
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