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$76+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
Apr 27 — May 41
Mon 4/27
Mon 5/4
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 March 28, 2026.

This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:45 am
SEA
-
YVR
Nonstop1h 15m
Air Canada
Tue 5/199:00 am
YVR
-
SEA
Nonstop1h 05m
Air Canada
Deal found 3/28$165
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:20 pm
SEA
-
YVR
Nonstop1h 07m
Air Canada
Wed 5/139:35 pm
YVR
-
SEA
Nonstop1h 05m
Air Canada
Deal found 3/24$167
This CheapTickets deal was found by Cheapflights users on 3/28. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:30 am
SEA
-
YVR
1 stop5h 25m
WestJet
Tue 5/195:00 am
YVR
-
SEA
1 stop4h 40m
WestJet
Deal found 3/28$168
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/2511:55 am
SEA
-
YVR
1 stop4h 14m
WestJet
Mon 4/271:45 pm
YVR
-
SEA
1 stop5h 00m
WestJet
Deal found 3/28$169
This Gotogate deal was found by Cheapflights users on 3/28. 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.
Tue 5/1210:30 am
SEA
-
YVR
1 stop5h 25m
Multiple Airlines
Tue 5/195:25 pm
YVR
-
SEA
Nonstop1h 05m
Multiple Airlines
Deal found 3/28$171
This SmartFares deal was found by Cheapflights users on 3/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:45 am
SEA
-
YVR
Nonstop1h 15m
Air Canada
Sat 5/165:25 pm
YVR
-
SEA
Nonstop1h 05m
Air Canada
Deal found 3/25$172
This Gotogate deal was found by Cheapflights users on 3/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 pm
SEA
-
YVR
Nonstop1h 07m
Air Canada
Wed 4/296:15 pm
YVR
-
SEA
Nonstop1h 05m
Air Canada
Deal found 3/25$174
This Kiwi.com deal was found by Cheapflights users on 3/28. 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.
Sat 4/187:51 pm
SEA
-
YVR
Nonstop0h 59m
Multiple Airlines
Tue 4/217:00 am
YVR
-
SEA
1 stop7h 19m
Multiple Airlines
Deal found 3/28$179
This Flightnetwork deal was found by Cheapflights users on 3/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:45 am
SEA
-
YYJ
1 stop7h 46m
Air Canada
Sat 5/167:10 pm
YYJ
-
SEA
1 stop3h 30m
Air Canada
Deal found 3/25$199
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:40 pm
SEA
-
YYJ
1 stop5h 11m
Air Canada
Sat 4/187:35 pm
YYJ
-
SEA
1 stop3h 18m
Air Canada
Deal found 3/27$219
This Trip.com deal was found by Cheapflights users on 3/26. 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.
Thu 4/239:50 am
SEA
-
YYJ
Nonstop0h 59m
Multiple Airlines
Thu 4/305:45 pm
YYJ
-
SEA
1 stop5h 08m
Multiple Airlines
Deal found 3/26$225
This Flybillet deal was found by Cheapflights users on 3/25. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:20 am
SEA
-
YYZ
2 stops10h 26m
Air Canada
Fri 5/112:30 am
YYZ
-
SEA
2 stops12h 35m
Air Canada
Deal found 3/25$228

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 March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$165
(Booking.com)

One-way from

$76
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$400

Good round-trip deal

$182 or less

Good one-way deal

$98 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
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 28, 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

Sat 4/18

7:19 am-8:37 am

Nonstop1h 18m

Vancouver Intl

Tue 4/21

7:23 am-8:40 am

Nonstop1h 17m

$198

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Fri 4/24

9:15 am-10:27 am

Nonstop1h 12m

Vancouver Intl

Mon 4/27

7:23 am-8:40 am

Nonstop1h 17m

$208

SeattleVictoria

SEA - YYJ

SEAYYJ

Seattle/Tacoma Intl

Sat 5/2

9:50 am-10:49 am

Nonstop0h 59m

Victoria Intl

Wed 5/6

5:21 pm-6:21 pm

Nonstop1h 00m

$219

SeattleVictoria

SEA - YYJ

SEAYYJ

Seattle/Tacoma Intl

Tue 5/5

2:55 pm-8:31 pm

1 stop5h 36m

Victoria Intl

Wed 5/6

2:55 pm-6:30 pm

1 stop3h 35m

$219

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Wed 5/6

7:19 am-8:37 am

Nonstop1h 18m

Vancouver Intl

Sat 5/9

7:41 pm-9:05 pm

Nonstop1h 24m

$219

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Tue 5/5

1:21 pm-8:59 pm

1 stop7h 38m

Vancouver Intl

Wed 5/6

8:35 am-10:59 pm

1 stop14h 24m

$223

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Sun 5/3

9:45 pm-11:01 pm

Nonstop1h 16m

Vancouver Intl

Sat 5/9

6:20 am-7:41 am

Nonstop1h 21m

$230

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Sat 4/18

9:45 pm-11:01 pm

Nonstop1h 16m

Vancouver Intl

Sun 4/19

7:23 am-8:40 am

Nonstop1h 17m

$230

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Fri 4/24

6:00 am-1:53 pm

1 stop7h 53m

Vancouver Intl

Sun 4/26

3:35 pm-10:33 pm

1 stop6h 58m

$234

SeattleVancouver

SEA - YVR

SEAYVR

Seattle/Tacoma Intl

Sat 4/25

7:11 am-1:12 pm

1 stop6h 01m

Vancouver Intl

Sat 5/2

7:00 am-2:36 pm

1 stop7h 36m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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, March is the cheapest month in which you can book a flight from Seattle to Canada (average of $82). Flying from Seattle to Canada in December is currently the most expensive (average of $143). 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 28, 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 43% 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 March 23, 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. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 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 March 28, 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.
Alaska Airlines
7.9
Good
12,133 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
7.9
Good
12,133 reviews
Alaska Airlines
7.9
Good
12,133 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Delta
7.9
Good
8,357 reviews
Alaska Airlines
7.9
Good
12,133 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
United Airlines
7.4
Good
9,501 reviews
Alaska Airlines
7.9
Good
12,133 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
WestJet
7.2
Good
3,303 reviews
Alaska Airlines
7.9
Good
12,133 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Air Canada
7.1
Good
10,853 reviews
Alaska Airlines
7.9
Good
12,133 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

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 $219. The distance from Seattle to Canada is about 98 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 $58. Air Canada flights start at $64 while deals on Alaska Airlines start at $68 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 - Vancouver Intl or Seattle/Tacoma Intl - Calgary as they are the most popular.

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

    Consider Qatar Airways (96%), Alaska Airlines (93%) or Hawaiian Airlines (93%) 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 $99. While the most popular route (Seattle/Tacoma Intl - Toronto Pearson Intl) can be booked for $244 on average, our data indicates $697 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 $82). Flying from Seattle to Canada in December is currently the most expensive (average of $143). 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

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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 March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$79Average$405FlexibilityNo cancel feeOn-time67%
DeltaCheapest$79Average$406FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$119Average$329FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$131Average$451FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$156Average$351FlexibilityNo cancel feeOn-time75%
Harbour Air SeaplanesCheapest$222Average$292FlexibilityNo cancel feeOn-timeN/A

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