HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Canada

$70+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Canada with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$163
(Kiwi.com)

One-way from

$70
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$525

Good round-trip deal

$222 or less

Good one-way deal

$117 or less
From Seattle/Tacoma Intl to Canada
Search Deals
One-way flight from Seattle/Tacoma Intl to Canada
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 6/232:05 pmSEA - YYC
Nonstop1h 40mWestJet
Mon 6/307:35 pmYYC - SEA
Nonstop1h 53mWestJet
Deal found 6/10$163
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 7/187:35 pmSEA - YYC
Nonstop1h 40mMultiple Airlines
Sat 7/2612:30 pmYYC - SEA
2 stops7h 06mMultiple Airlines
Deal found 6/10$169
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 7/182:55 pmSEA - YYC
1 stop6h 00mAir Canada
Sat 7/263:50 pmYYC - SEA
2 stops7h 26mAir Canada
Deal found 6/10$176
This Ticket deal was found by Cheapflights users on 6/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:00 amSEA - YEG
1 stop6h 35mAir Canada
Sun 7/137:15 pmYEG - SEA
1 stop4h 01mAir Canada
Deal found 6/9$182
This Ticket deal was found by Cheapflights users on 6/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:30 amSEA - YEG
1 stop5h 15mMultiple Airlines
Sun 7/1311:20 amYEG - SEA
Nonstop2h 11mMultiple Airlines
Deal found 6/9$188
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/258:40 amSEA - YEG
1 stop4h 17mWestJet
Tue 7/299:30 amYEG - SEA
1 stop4h 28mWestJet
Deal found 6/11$189
This Flightnetwork deal was found by Cheapflights users on 6/11. 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.
Wed 7/237:15 pmSEA - YVR
Nonstop1h 08mAir Canada
Wed 7/309:10 pmYVR - SEA
Nonstop1h 06mAir Canada
Deal found 6/11$219
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Thu 8/287:05 amSEA - YVR
1 stop5h 30mWestJet
Mon 9/19:00 amYVR - SEA
1 stop5h 09mWestJet
Deal found 6/11$220
This Flightnetwork deal was found by Cheapflights users on 6/10. 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.
Wed 7/231:50 pmSEA - YVR
1 stop4h 45mMultiple Airlines
Wed 7/309:10 pmYVR - SEA
Nonstop1h 06mMultiple Airlines
Deal found 6/10$221
This Flightnetwork deal was found by Cheapflights users on 6/11. 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.
Sun 7/202:05 pmSEA - YYJ
1 stop5h 07mMultiple Airlines
Fri 7/257:15 pmYYJ - SEA
1 stop3h 01mMultiple Airlines
Deal found 6/11$226
This Flightnetwork deal was found by Cheapflights users on 6/10. 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.
Sat 7/265:30 amSEA - YYJ
1 stop5h 15mAir Canada
Sat 8/25:45 pmYYJ - SEA
1 stop4h 31mAir Canada
Deal found 6/10$227
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/169:15 pmSEA - YYC
Nonstop1h 35mAlaska Airlines
Fri 8/226:00 amYYC - SEA
Nonstop2h 00mAlaska Airlines
Deal found 6/9$229

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 June 12, 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

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 6/23

2:05 pm-4:45 pm

Nonstop1h 40m

Calgary

Mon 6/30

7:35 pm-8:28 pm

Nonstop1h 53m

$163

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 7/18

7:35 pm-10:15 pm

Nonstop1h 40m

Calgary

Sat 7/26

12:30 pm-6:36 pm

2 stops7h 06m

$169

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 7/18

2:55 pm-9:55 pm

1 stop6h 00m

Calgary

Sat 7/26

3:50 pm-10:16 pm

2 stops7h 26m

$176

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

Thu 7/10

10:00 am-5:35 pm

1 stop6h 35m

Edmonton

Sun 7/13

7:15 pm-10:16 pm

1 stop4h 01m

$182

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

Thu 7/10

5:30 am-11:45 am

1 stop5h 15m

Edmonton

Sun 7/13

11:20 am-12:31 pm

Nonstop2h 11m

$188

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

Fri 7/25

8:40 am-1:57 pm

1 stop4h 17m

Edmonton

Tue 7/29

9:30 am-12:58 pm

1 stop4h 28m

$189

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Wed 7/23

7:15 pm-8:23 pm

Nonstop1h 08m

Vancouver Intl

Wed 7/30

9:10 pm-10:16 pm

Nonstop1h 06m

$219

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Thu 8/28

7:05 am-12:35 pm

1 stop5h 30m

Vancouver Intl

Mon 9/1

9:00 am-2:09 pm

1 stop5h 09m

$220

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Wed 7/23

1:50 pm-6:35 pm

1 stop4h 45m

Vancouver Intl

Wed 7/30

9:10 pm-10:16 pm

Nonstop1h 06m

$221

SeattleVictoria

SEA - YYJ

SEAYYJ

Seattle/Tacoma Intl

Sun 7/20

2:05 pm-7:12 pm

1 stop5h 07m

Victoria Intl

Fri 7/25

7:15 pm-10:16 pm

1 stop3h 01m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 results
1
2
3
...
6

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 July is currently the most expensive (average of $353). 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 June 12, 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 June 12, 2025.

The most flights from SEA to CA0 are scheduled on a Tuesday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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 June 12, 2025.
Read through reviews of airlines operating flights from Seattle to Canada, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Turkish Airlines
7.3
Good
3,848 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 $70. Air Canada flights start at $80 while deals on Alaska Airlines start at $83 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 - Calgary or Seattle/Tacoma Intl - Vancouver Intl as they are the most popular.

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

    Consider Qatar Airways (93%), 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 $245 on average our data indicates $1,504 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 $353). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Canada

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Los Angeles flights
Seattle to John F Kennedy Intl flights
Seattle to Las Vegas flights
Seattle to Denver flights
Seattle to Newark flights
Seattle to Dallas/Fort Worth flights
Seattle to Santa Ana flights
Seattle to O'Hare Intl flights
Seattle to Ontario flights
Seattle to Sky Harbor Intl flights
Portland to Los Angeles flights
Seattle to Honolulu flights
Seattle to San Francisco flights
Seattle to San Diego flights
Seattle to LaGuardia flights
Seattle to Boston flights
Seattle to Hobby flights
Seattle to Atlanta flights
Portland to John F Kennedy Intl flights
Seattle to Orlando flights
Seattle to Philadelphia flights
Seattle to Dulles Intl flights
Seattle to Minneapolis flights
Seattle to Detroit flights
Portland to Las Vegas flights
Seattle to Cancún flights
Everett to Las Vegas flights
Portland to Newark flights
Seattle to Miami flights
Portland to Denver flights
Seattle to Salt Lake City flights
Seattle to Reagan-National flights
Portland to O'Hare Intl flights
Seattle to Baltimore flights
Seattle to George Bush Intcntl flights
Seattle to Kahului flights
Seattle to Nashville flights
Seattle to Burbank flights
Seattle to New Orleans flights
Seattle to Kailua-Kona flights
Seattle to Austin flights
Seattle to San Jose flights
Portland to Santa Ana flights
Portland to San Francisco flights
Seattle to Pearson Intl flights
Everett to Sky Harbor Intl flights
Portland to Honolulu flights
Portland to Dallas/Fort Worth flights
Seattle to Midway flights
Seattle to Mexico City flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$85Average$408FlexibilityNo cancel feeOn-time67%
DeltaCheapest$103Average$468FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$113Average$324FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$120Average$471FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$183Average$365FlexibilityNo cancel feeOn-time75%
Harbour Air SeaplanesCheapest$203Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$465Average$670FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.