HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$151+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
dic. 22 — dic. 291
dom. 12/22
dom. 12/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pearson Intl to Seattle 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.

The best prices from Toronto Pearson Intl to Seattle/Tacoma Intl are usually found in October or November, 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 diciembre 17, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(United Airlines)

One-way from

$151
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$477
Provider with most accurate pricing for Toronto Pearson Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto Pearson Intl-Seattle/Tacoma Intl flights.
Search Deals
From Toronto Pearson Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Toronto Pearson Intl to Seattle/Tacoma Intl
Search Deals
High demand for flights, 14% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

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 diciembre 17, 2024.

This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/231:30 pmYYZ - SEA
1 stop10h 20mMultiple Airlines
mar. 1/77:27 amSEA - YYZ
Nonstop4h 38mMultiple Airlines
Deal found 12/16$473
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/236:30 amYYZ - SEA
1 stop17h 45mUnited Airlines
mar. 1/75:15 pmSEA - YYZ
1 stop10h 28mUnited Airlines
Deal found 12/16$497
This Justfly.com deal was found by Cheapflights users on 12/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2410:30 amYYZ - SEA
1 stop9h 30mWestJet
sáb. 2/13:15 pmSEA - YYZ
1 stop18h 22mWestJet
Deal found 12/16$499
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/234:22 pmYYZ - SEA
Nonstop5h 20mAlaska Airlines
mar. 1/77:27 amSEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 12/16$525
This Air Canada deal was found by Cheapflights users on 12/16. 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.
mar. 12/246:55 pmYYZ - SEA
Nonstop5h 25mAir Canada
sáb. 2/17:05 pmSEA - YYZ
1 stop8h 04mAir Canada
Deal found 12/16$548
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/3010:40 pmYYZ - SEA
1 stop12h 25mDelta
jue. 1/21:40 pmSEA - YYZ
1 stop7h 59mDelta
Deal found 12/16$566
This American Airlines deal was found by Cheapflights users on 12/16. 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.
jue. 12/265:14 pmYYZ - SEA
1 stop8h 52mAmerican Airlines
dom. 12/2912:31 amSEA - YYZ
1 stop14h 09mAmerican Airlines
Deal found 12/16$679

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 diciembre 17, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

sáb. 2/15

7:05 pm-9:30 pm

Nonstop5h 25m

Seattle/Tacoma Intl

mar. 2/25

5:02 am-3:02 pm

1 stop7h 00m

$254

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

mar. 1/14

8:00 am-2:30 pm

1 stop9h 30m

Seattle/Tacoma Intl

mar. 1/21

3:05 pm-12:57 am

1 stop6h 52m

$255

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

mié. 1/15

8:00 pm-9:40 am

1 stop16h 40m

Seattle/Tacoma Intl

mié. 1/22

7:10 am-11:35 pm

2 stops13h 25m

$256

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

dom. 2/16

1:20 pm-11:00 pm

1 stop12h 40m

Seattle/Tacoma Intl

lun. 2/24

11:05 pm-11:56 am

1 stop9h 51m

$259

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

dom. 2/16

4:10 pm-6:34 pm

Nonstop5h 24m

Seattle/Tacoma Intl

mié. 2/26

7:18 am-2:55 pm

Nonstop4h 37m

$263

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

lun. 1/20

8:00 pm-2:21 pm

1 stop21h 21m

Seattle/Tacoma Intl

sáb. 1/25

3:20 pm-6:00 am

2 stops11h 40m

$289

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

jue. 1/23

11:46 am-7:00 pm

1 stop10h 14m

Seattle/Tacoma Intl

dom. 1/26

12:45 am-4:15 pm

1 stop12h 30m

$320

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

jue. 1/9

3:00 pm-8:57 am

2 stops20h 57m

Seattle/Tacoma Intl

mié. 1/15

7:00 am-4:46 pm

1 stop6h 46m

$325

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

mar. 1/14

8:00 am-2:30 pm

1 stop9h 30m

$151

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

vie. 1/17

8:00 pm-12:19 am

1 stop31h 19m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 16 results
1
2

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 December.
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*3 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 Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 December 13, 2024.

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 diciembre 17, 2024.

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.

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 diciembre 17, 2024.
Peruse reviews from past customers who have flown with United Airlines, WestJet and Air Canada 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
9,551 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Alaska Airlines
8.0
Very good
9,551 reviews
Alaska Airlines
8.0
Very good
9,551 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Delta
8.0
Very good
8,615 reviews
Alaska Airlines
8.0
Very good
9,551 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Austrian Airlines
7.6
Good
788 reviews
Alaska Airlines
8.0
Very good
9,551 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

United Airlines
7.4
Good
9,070 reviews
Alaska Airlines
8.0
Very good
9,551 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,551 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.2

Overall

8.0

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

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 1 inbound flight 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 ($254), Air Canada ($255), and WestJet ($260) 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 43% 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?

    $158 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $159 and $162, 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 (100%), Hawaiian Airlines (89%), Alaska Airlines( 88%).

  • 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 $933, our data indicates the cheapest price to be $157. The most popular route (Toronto Pearson Intl - Seattle/Tacoma Intl), is priced around $245.

  • 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

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 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 diciembre 17, 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$238Average$441FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$246Average$422FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$263Average$545FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$272Average$505FlexibilityNo cancel feeOn-time67%
DeltaCheapest$292Average$472FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$402Average$695FlexibilityNo 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.