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$55+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
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 julio 29, 2025.

Round-trip from

$130
(Gotogate)

One-way from

$55
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$490

Good round-trip deal

$204 or less

Good one-way deal

$118 or less
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. 13% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 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 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 julio 29, 2025.

This Gotogate deal was found by Cheapflights users on 7/28. 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.
sáb. 9/62:55 pmSEA - YEG
1 stop5h 45mAir Canada
lun. 9/82:55 pmYEG - SEA
1 stop4h 41mAir Canada
Deal found 7/28$130
This Flightnetwork deal was found by Cheapflights users on 7/28. 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.
vie. 9/51:15 pmSEA - YEG
Nonstop2h 05mMultiple Airlines
dom. 9/712:55 pmYEG - SEA
1 stop6h 41mMultiple Airlines
Deal found 7/28$144
This Trip.com deal was found by Cheapflights users on 7/27. 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.
vie. 9/51:15 pmSEA - YEG
Nonstop2h 05mWestJet
dom. 9/711:20 amYEG - SEA
Nonstop2h 13mWestJet
Deal found 7/27$152
This Kiwi.com deal was found by Cheapflights users on 7/27. 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. 8/267:05 amSEA - YVR
1 stop4h 30mWestJet
mar. 9/21:30 pmYVR - SEA
1 stop5h 44mWestJet
Deal found 7/27$152
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
sáb. 9/68:00 amSEA - YEG
Nonstop1h 54mAlaska Airlines
lun. 9/85:17 pmYEG - SEA
Nonstop1h 55mAlaska Airlines
Deal found 7/28$165
This Trip.com deal was found by Cheapflights users on 7/26. 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.
mar. 9/211:16 pmSEA - YVR
Nonstop0h 59mMultiple Airlines
dom. 9/141:30 pmYVR - SEA
1 stop6h 59mMultiple Airlines
Deal found 7/26$169
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.
mar. 8/2610:00 amSEA - YVR
Nonstop1h 08mAir Canada
mar. 9/25:30 pmYVR - SEA
Nonstop1h 06mAir Canada
Deal found 7/29$175
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/38:40 amSEA - YYC
Nonstop1h 50mWestJet
dom. 9/77:00 amYYC - SEA
1 stop6h 33mWestJet
Deal found 7/27$187
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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. 9/211:16 pmSEA - YVR
Nonstop0h 59mAlaska Airlines
mié. 9/107:30 pmYVR - SEA
Nonstop1h 07mAlaska Airlines
Deal found 7/27$187
This United Airlines deal was found by Cheapflights users on 7/28. 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. 9/137:00 amSEA - YEG
2 stops14h 04mUnited Airlines
dom. 9/146:00 amYEG - SEA
1 stop8h 28mUnited Airlines
Deal found 7/28$188
This ezTravel 易遊網 deal was found by Cheapflights users on 7/27. 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 ezTravel 易遊網 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/107:15 pmSEA - YYC
1 stop4h 27mMultiple Airlines
mié. 9/177:35 pmYYC - SEA
Nonstop1h 54mMultiple Airlines
Deal found 7/27$193
This Gotogate deal was found by Cheapflights users on 7/27. 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.
dom. 11/163:40 pmSEA - YYC
1 stop6h 04mAir Canada
vie. 11/211:35 pmYYC - SEA
1 stop6h 41mAir Canada
Deal found 7/27$199

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 julio 29, 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

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

sáb. 9/6

2:55 pm-9:40 pm

1 stop5h 45m

Edmonton

lun. 9/8

2:55 pm-6:36 pm

1 stop4h 41m

$130

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

vie. 9/5

1:15 pm-4:20 pm

Nonstop2h 05m

Edmonton

dom. 9/7

12:55 pm-6:36 pm

1 stop6h 41m

$144

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

vie. 9/5

1:15 pm-4:20 pm

Nonstop2h 05m

Edmonton

dom. 9/7

11:20 am-12:33 pm

Nonstop2h 13m

$152

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

mar. 8/26

7:05 am-11:35 am

1 stop4h 30m

Vancouver Intl

mar. 9/2

1:30 pm-7:14 pm

1 stop5h 44m

$152

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

sáb. 9/6

8:00 am-10:54 am

Nonstop1h 54m

Edmonton

lun. 9/8

5:17 pm-6:12 pm

Nonstop1h 55m

$165

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

mar. 11/11

10:05 am-11:10 am

Nonstop1h 05m

Vancouver Intl

mié. 11/19

9:05 pm-10:06 pm

Nonstop1h 01m

$167

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

mar. 9/2

11:16 pm-12:15 am

Nonstop0h 59m

Vancouver Intl

dom. 9/14

1:30 pm-8:29 pm

1 stop6h 59m

$169

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

mar. 9/2

11:16 pm-12:15 am

Nonstop0h 59m

Vancouver Intl

mar. 9/9

6:00 am-7:16 am

Nonstop1h 16m

$187

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

mié. 9/3

8:40 am-11:30 am

Nonstop1h 50m

Calgary

dom. 9/7

7:00 am-12:33 pm

1 stop6h 33m

$187

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

sáb. 9/13

7:00 am-10:04 pm

2 stops14h 04m

Edmonton

dom. 9/14

6:00 am-1:28 pm

1 stop8h 28m

$188

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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, 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 August is currently the most expensive (average of $348). 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 julio 29, 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 julio 29, 2025.

The most flights from SEA to CA0 are scheduled on a Thursday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 julio 29, 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
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,972 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $55. Air Canada flights start at $63 while deals on Delta start at $74 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 - Toronto Pearson Intl, Seattle/Tacoma Intl - Winnipeg or Seattle/Tacoma Intl - Calgary as they are the most popular.

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

    Consider Qatar Airways (97%), Alaska Airlines (92%) or Hawaiian Airlines (92%) 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 $128. While the most popular route (Seattle/Tacoma Intl - Toronto Pearson Intl) can be booked for $242 on average our data indicates $1,543 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 August is currently the most expensive (average of $348). 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

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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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$79Average$409FlexibilityNo cancel feeOn-time67%
DeltaCheapest$98Average$403FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$115Average$356FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$120Average$479FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$204Average$372FlexibilityNo cancel feeOn-time75%
Harbour Air SeaplanesCheapest$204Average$289FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$465Average$668FlexibilityNo cancel feeOn-time71%

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