Canada

$116+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
Jul 29 — Aug 51
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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 June 29, 2026.

This CheapTickets deal was found by Cheapflights users on 6/27. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:30 am
SEA
-
YVR
2 stops8h 40m
WestJet
Tue 8/185:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/27$256
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:10 pm
SEA
-
YLW
1 stop6h 48m
WestJet
Mon 11/98:50 am
YLW
-
SEA
1 stop4h 30m
WestJet
Deal found 6/28$258
This Trip.com deal was found by Cheapflights users on 6/27. 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.
Tue 8/1810:30 am
SEA
-
YVR
2 stops8h 40m
WestJet
Tue 8/255:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/27$261
This Trip.com deal was found by Cheapflights users on 6/27. 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.
Sun 8/167:00 am
SEA
-
YVR
2 stops8h 30m
WestJet
Sun 8/235:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/27$262
This Trip.com deal was found by Cheapflights users on 6/27. 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.
Tue 7/2110:30 am
SEA
-
YVR
2 stops8h 40m
WestJet
Fri 7/245:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/27$265
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Sat 7/1810:30 am
SEA
-
YVR
2 stops7h 00m
WestJet
Sun 7/265:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/27$267
This Trip.com deal was found by Cheapflights users on 6/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:30 am
SEA
-
YVR
2 stops8h 40m
WestJet
Wed 7/295:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/25$268
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Sat 7/1110:30 am
SEA
-
YVR
2 stops7h 00m
WestJet
Tue 7/145:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 6/27$269
This Trip.com deal was found by Cheapflights users on 6/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:00 am
SEA
-
YVR
2 stops6h 35m
WestJet
Sat 7/183:40 pm
YVR
-
SEA
1 stop5h 20m
WestJet
Deal found 6/25$270
This Booking.com deal was found by Cheapflights users on 6/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:35 pm
SEA
-
YVR
1 stop4h 40m
Multiple Airlines
Mon 10/198:45 am
YVR
-
SEA
Nonstop1h 07m
Multiple Airlines
Deal found 6/25$271
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Thu 10/157:35 pm
SEA
-
YLW
1 stop4h 15m
WestJet
Wed 10/215:05 am
YLW
-
SEA
1 stop4h 35m
WestJet
Deal found 6/27$289
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
Wed 10/147:35 pm
SEA
-
YLW
1 stop4h 15m
WestJet
Wed 10/215:05 am
YLW
-
SEA
1 stop4h 35m
WestJet
Deal found 6/27$293

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 June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(CheapTickets)

One-way from

$116
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$517

Good round-trip deal

$231 or less

Good one-way deal

$146 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto (YTO) flights.
From Seattle/Tacoma Intl to Canada
One-way flight from Seattle/Tacoma Intl to Canada
Highest demand for flights based on searches. 25% potential increase in price ($141 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Canada.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Canada.

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 29, 2026.
Use the filters below to find and compare flights from Seattle to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Thu 7/23

7:59 pm-9:12 pm

Nonstop1h 13m

Vancouver Intl

Tue 7/28

3:33 pm-4:45 pm

Nonstop1h 12m

$334

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Wed 7/22

11:00 pm-11:59 pm

Nonstop0h 59m

Vancouver Intl

Wed 7/29

6:00 am-7:07 am

Nonstop1h 07m

$334

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Fri 7/10

9:20 am-10:28 am

Nonstop1h 08m

Vancouver Intl

Sun 7/12

11:20 am-12:39 pm

Nonstop1h 19m

$334

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Sun 7/26

9:45 pm-10:58 pm

Nonstop1h 13m

Vancouver Intl

Sun 8/2

7:19 am-8:33 am

Nonstop1h 14m

$334

SeattleKelowna

SEA - YLW

SEAYLW

Seattle/Tacoma Intl

Thu 9/10

7:35 pm-11:50 pm

1 stop4h 15m

Kelowna

Sun 9/13

3:10 pm-9:40 am

2 stops18h 30m

$342

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Tue 10/27

3:30 pm-4:29 pm

Nonstop0h 59m

Vancouver Intl

Wed 11/4

2:48 pm-1:59 pm

Nonstop0h 11m

$345

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Tue 7/21

7:56 pm-8:53 pm

Nonstop0h 57m

Vancouver Intl

Tue 7/28

7:55 am-8:58 am

Nonstop1h 03m

$351

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Mon 11/23

8:33 am-8:04 pm

1 stop10h 31m

Vancouver Intl

Thu 11/26

1:36 pm-10:16 pm

2 stops9h 40m

$352

SeattleEdmonton

SEA - YEG

SEAYEG

Seattle/Tacoma Intl

Mon 8/10

7:00 am-5:10 pm

2 stops9h 10m

Edmonton

Sun 8/16

9:40 am-6:45 pm

2 stops10h 05m

$359

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Sat 9/12

9:45 pm-10:59 pm

Nonstop1h 14m

Vancouver Intl

Mon 9/14

3:35 pm-4:53 pm

Nonstop1h 18m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Seattle to Canada (average of $49). Flying from Seattle to Canada in October is currently the most expensive (average of $750). 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 29, 2026.

A simple way to save on the total cost of your ticket is to fly from Seattle to Canada at noon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the evening.

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 29, 2026.

The most flights from SEA to CA0 are scheduled on a Wednesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Seattle to Canada delayed?

About 20% of weekly flights between Seattle and Canada have experienced delays in the past year, with the average delay time being 106 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.

How far ahead should I book a flight from Seattle to Canada?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Canada. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 20, 2026.

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

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 29, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited 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.

Food

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Food

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 59m. Delta provides one of the quickest options available for as low as $334. The distance from Seattle to Canada is about 127 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 Air Canada, which is currently one of the cheapest options available, starting at $58. Alaska Airlines flights start at $63 while deals on WestJet start at $64 one-way.

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

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

    Consider Air Canada (98%), United Airlines (98%) or Brussels Airlines (97%) 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 $316. While the most popular route (Seattle/Tacoma Intl - Vancouver Intl) can be booked for $208 on average, our data indicates $1,005 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, February is the cheapest month in which you can book a flight from Seattle to Canada (average of $49). Flying from Seattle to Canada in October is currently the most expensive (average of $750). 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

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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.

Top 6 airlines flying from Seattle to Canada

Discover the top 6 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$79Average$422FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$90Average$423FlexibilityNo cancel feeOn-time67%
WestJetCheapest$122Average$321FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$131Average$502FlexibilityNo cancel feeOn-time69%
Harbour Air SeaplanesCheapest$150Average$265FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$156Average$367FlexibilityNo cancel feeOn-time75%

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