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$153+ Cheap flights from Pearson Intl (YYZ) to Seattle (SEA)

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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
feb 26 — mar 51
ons 2/26
ons 3/5
1 adult, Economy
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The best prices from Toronto Pearson Intl to Seattle/Tacoma Intl are usually found in February or January, booked 58 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from Pearson Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Pearson Intl (YYZ) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated februari 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$153
(Alaska Airlines)

Popular in

May

Cheapest in

February

Average price

$270

Good round-trip deal

$250 or less

Good one-way deal

$182 or less
Provider with most accurate pricing for Toronto Pearson Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto Pearson Intl-Seattle/Tacoma Intl flights.
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From Toronto Pearson Intl to Seattle/Tacoma Intl
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One-way flight from Toronto Pearson Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 16% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Toronto Pearson Intl to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Toronto Pearson Intl to Seattle/Tacoma Intl.
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Find flight deals from Pearson Intl to Seattle

Cheapest flights from Pearson Intl to Seattle
Explore the most affordable flight options available from Pearson Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on februari 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
fre 4/48:00 pmYYZ - SEA
1 stop15h 43mMultiple Airlines
ons 4/912:30 pmSEA - YYZ
1 stop15h 13mMultiple Airlines
Deal found 2/20$234
This United Airlines deal was found by Cheapflights users on 2/19. 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.
tis 4/87:05 pmYYZ - SEA
Nonstop5h 21mUnited Airlines
tis 4/156:05 amSEA - YYZ
Nonstop4h 55mUnited Airlines
Deal found 2/19$243
This Trip.com deal was found by Cheapflights users on 2/20. 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.
tors 3/134:20 pmYYZ - SEA
Nonstop5h 24mAlaska Airlines
ons 3/197:15 amSEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 2/20$248
This Air Canada deal was found by Cheapflights users on 2/20. 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.
sön 3/237:05 pmYYZ - SEA
Nonstop5h 25mAir Canada
tors 3/273:05 pmSEA - YYZ
1 stop6h 52mAir Canada
Deal found 2/20$261
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
tors 5/19:00 amYYZ - SEA
2 stops14h 28mWestJet
tis 5/62:05 pmSEA - YYZ
1 stop7h 19mWestJet
Deal found 2/20$262
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 4/812:14 pmYYZ - SEA
1 stop13h 20mDelta
mån 4/1412:40 amSEA - YYZ
1 stop7h 54mDelta
Deal found 2/19$274
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 3/2312:35 pmYYZ - SEA
1 stop12h 30mAmerican Airlines
lör 3/2911:14 pmSEA - YYZ
1 stop20h 30mAmerican Airlines
Deal found 2/20$280

Find flights from Pearson Intl to Seattle within your budget

Customize your flight search to find flights from Pearson Intl to Seattle 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 februari 21, 2025.

Fly from

Pearson Intl

Fly to

Seattle

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

fre 4/4

8:00 pm-8:43 am

1 stop15h 43m

Seattle/Tacoma Intl

ons 4/9

12:30 pm-6:43 am

1 stop15h 13m

$234

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

tis 4/8

7:05 pm-9:26 pm

Nonstop5h 21m

Seattle/Tacoma Intl

tis 4/15

6:05 am-2:00 pm

Nonstop4h 55m

$243

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

tors 3/13

4:20 pm-6:44 pm

Nonstop5h 24m

Seattle/Tacoma Intl

ons 3/19

7:15 am-2:55 pm

Nonstop4h 40m

$248

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

sön 3/23

7:05 pm-9:30 pm

Nonstop5h 25m

Seattle/Tacoma Intl

tors 3/27

3:05 pm-12:57 am

1 stop6h 52m

$261

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

tors 5/1

9:00 am-8:28 pm

2 stops14h 28m

Seattle/Tacoma Intl

tis 5/6

2:05 pm-12:24 am

1 stop7h 19m

$262

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

tis 4/8

12:14 pm-10:34 pm

1 stop13h 20m

Seattle/Tacoma Intl

mån 4/14

12:40 am-11:34 am

1 stop7h 54m

$274

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

sön 3/23

12:35 pm-10:05 pm

1 stop12h 30m

Seattle/Tacoma Intl

lör 3/29

11:14 pm-10:44 pm

1 stop20h 30m

$280

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

lör 3/15

4:20 pm-6:44 pm

Nonstop5h 24m

$153

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

lör 5/3

8:00 am-12:58 pm

1 stop7h 58m

$155

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

lör 3/22

7:25 pm-8:43 am

1 stop16h 18m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 15 results
1
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Compare providers for flights from Pearson Intl to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pearson Intl to Seattle in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Toronto Pearson Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto Pearson Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto Pearson Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto Pearson Intl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Toronto Pearson Intl Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pearson Intl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Pearson Intl 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 Pearson Intl to Seattle

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

How far ahead should I book a flight from Toronto Pearson Intl Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Pearson Intl to Seattle. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Toronto Pearson Intl Airport to Seattle, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Toronto Pearson Intl Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Seattle (average of $238). Flying from Toronto Pearson Intl Airport to Seattle in July is currently the most expensive (average of $411). 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 YYZ to SEA?

Find hourly flight availability from Pearson Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated februari 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from Toronto Pearson Intl Airport to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Toronto Pearson Intl Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Pearson Intl to Seattle. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to Seattle flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto Pearson Intl Airport to Seattle

Explore weekly flight availability from Pearson Intl to Seattle. 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 februari 21, 2025.

The most flights from YYZ to SEA are scheduled on a Wednesday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated februari 21, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Austrian Airlines from Toronto to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,697 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,219 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Austrian Airlines
7.6
Good
773 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Pearson Intl to Seattle. 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 into for flights to Seattle from Toronto Pearson Intl?

    For a flight from Toronto Pearson Intl to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 3 inbound flights from Toronto Pearson Intl per day. 6 airlines have flights to Seattle/Tacoma Intl from Toronto Pearson Intl on a regular basis.

  • What are the cheapest airlines flying from Toronto Pearson Intl Airport to Seattle round-trip?

    According to our current data, United Airlines ($243), Alaska Airlines ($248), and Air Canada ($261) offers the cheapest pricing from Toronto Pearson Intl Airport to Seattle. You may be able to fly from Toronto Pearson Intl Airport to Seattle for 40% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Toronto Pearson Intl Airport to Seattle one-way?

    $153 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from $155 and $164, respectively.

  • What are the most reliable airlines from Toronto Pearson Intl Airport to Seattle?

    Before booking your flight to Seattle from Toronto Pearson Intl Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (82%), Hawaiian Airlines (82%), Qatar Airways( 69%).

  • What are the cheapest flights from Toronto Pearson Intl Airport to Seattle?

    Looking for the cheapest flight from Toronto Pearson Intl Airport to Seattle? While on average our users pay $277, our data indicates the cheapest price to be $144. The most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl), is priced around $190.

  • Can I find deals for flights from Pearson Intl to Seattle that include hotel bookings?

    Yes. In addition to deals on Pearson Intl to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pearson Intl to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pearson Intl to Seattle.

  • Can I find deals for business class flights from Pearson Intl to Seattle?

    Yes. Cheapflights offers flight deals from Pearson Intl to Seattle 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 Toronto Pearson Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Seattle (average of $238). Flying from Toronto Pearson Intl Airport to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Alternative routes for Pearson Intl to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Portland flights
Region of Waterloo Intl to Seattle flights
Pearson Intl to Spokane flights
Toronto Island to Portland flights
Hamilton to Portland flights

Top 6 airlines flying from Pearson Intl to Seattle

Discover the top 6 airlines that operate flights from Pearson Intl to Seattle. 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 februari 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$238Average$418FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$240Average$466FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$246Average$419FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$254Average$490FlexibilityNo cancel feeOn-time67%
DeltaCheapest$292Average$464FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$402Average$695FlexibilityNo cancel feeOn-time71%
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