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$145+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
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The best prices from Toronto Pearson Intl to Seattle/Tacoma Intl are usually found in January or October, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$145
(Trip.com)

Popular in

March

Cheapest in

January

Average price

$273
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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High demand for flights, 8% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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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 January 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/218:00 pmYYZ - SEA
1 stop16h 30mMultiple Airlines
Tue 2/253:48 pmSEA - YYZ
1 stop11h 55mMultiple Airlines
Deal found 1/15$234
This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Tue 2/114:20 pmYYZ - SEA
Nonstop5h 23mAlaska Airlines
Tue 2/187:18 amSEA - YYZ
Nonstop4h 37mAlaska Airlines
Deal found 1/15$241
This Air Canada deal was found by Cheapflights users on 1/16. 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.
Fri 2/217:05 pmYYZ - SEA
Nonstop5h 25mAir Canada
Tue 2/256:05 amSEA - YYZ
Nonstop4h 45mAir Canada
Deal found 1/16$247
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Tue 2/117:55 amYYZ - SEA
1 stop9h 26mWestJet
Wed 2/1911:30 amSEA - YYZ
2 stops9h 56mWestJet
Deal found 1/15$248
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 2/137:05 pmYYZ - SEA
Nonstop5h 25mUnited Airlines
Sun 2/236:05 amSEA - YYZ
Nonstop4h 45mUnited Airlines
Deal found 1/15$252
This Delta deal was found by Cheapflights users on 1/15. 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.
Tue 2/116:30 amYYZ - SEA
1 stop7h 15mDelta
Thu 2/206:00 amSEA - YYZ
1 stop7h 09mDelta
Deal found 1/15$271
This American Airlines deal was found by Cheapflights users on 1/16. 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.
Sun 2/95:14 pmYYZ - SEA
1 stop10h 52mAmerican Airlines
Mon 2/1712:59 amSEA - YYZ
1 stop9h 01mAmerican Airlines
Deal found 1/16$290

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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 2/21

8:00 pm-9:30 am

1 stop16h 30m

Seattle/Tacoma Intl

Tue 2/25

3:48 pm-6:43 am

1 stop11h 55m

$234

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 2/11

4:20 pm-6:43 pm

Nonstop5h 23m

Seattle/Tacoma Intl

Wed 2/19

7:18 am-2:55 pm

Nonstop4h 37m

$241

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 2/21

7:05 pm-9:30 pm

Nonstop5h 25m

Seattle/Tacoma Intl

Tue 2/25

6:05 am-1:50 pm

Nonstop4h 45m

$247

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 2/11

7:55 am-2:21 pm

1 stop9h 26m

Seattle/Tacoma Intl

Wed 2/19

11:30 am-12:26 am

2 stops9h 56m

$248

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 3/26

7:05 pm-9:30 pm

Nonstop5h 25m

Seattle/Tacoma Intl

Sun 3/30

6:05 am-1:55 pm

Nonstop4h 50m

$256

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 2/11

6:30 am-10:45 am

1 stop7h 15m

Seattle/Tacoma Intl

Fri 2/21

6:00 am-4:09 pm

1 stop7h 09m

$271

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 2/9

5:14 pm-1:06 am

1 stop10h 52m

Seattle/Tacoma Intl

Mon 2/17

12:59 am-1:00 pm

1 stop9h 01m

$290

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 2/2

8:00 pm-8:50 am

1 stop15h 50m

$145

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 2/10

4:20 pm-6:43 pm

Nonstop5h 23m

$147

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sat 4/12

7:05 pm-9:26 pm

Nonstop5h 21m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 14 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 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 January 10, 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 42 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 January 17, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 10% on flights from Toronto Pearson Intl Airport to Seattle by exploring options for tickets at noon.

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 December 16, 2024.

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to Seattle flight should consider departing on Wednesday 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 January 17, 2025.

The most flights from YYZ to SEA are scheduled on a Wednesday (4 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 January 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, WestJet and United 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
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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
9,681 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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
8,511 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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
8,965 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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

WestJet
7.2
Good
2,824 reviews
Alaska Airlines
8.0
Very good
9,681 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 10

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, Alaska Airlines ($241), WestJet ($248), and Air Canada ($249) 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 42% 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?

    $147 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 Air Canada and WestJet, with prices starting from $152 and $155, 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: Qatar Airways (88%), Alaska Airlines (82%), Hawaiian Airlines( 82%).

  • 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 $432, our data indicates the cheapest price to be $144. The most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl), is priced around $252.

  • 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
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
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
Toronto Island to Portland flights
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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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$238Average$436FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$243Average$534FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$246Average$424FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$265Average$498FlexibilityNo cancel feeOn-time67%
DeltaCheapest$292Average$464FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$402Average$695FlexibilityNo cancel feeOn-time71%
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