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Cheap flights from Toronto Pearson Intl Airport to Seattle from £119

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
22 Jan — 29 Jan1
1 adult

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 Monday 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 17 January 2025.

Round-trip from

£198

One-way from

£119

Popular in

March

Cheapest in

January

Average price

£223
Alaska Airlines
  • Alaska Airlines
  • 8/4-16/4
  • Nonstop
  • 10h 00m total
  • Toronto to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 25/2
  • Nonstop
  • 5h 24m total
  • Toronto to Seattle
Search Deals
High demand for flights, 8% potential price rise
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Best time to find cheap flights, 3% potential price drop
Search Deals
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 17 January 2025.

Tue 8/416:30YYZ - SEA
Nonstop5h 20mAlaska Airlines
Wed 16/407:00SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 17/1£198
Fri 14/219:05YYZ - SEA
Nonstop5h 25mMultiple Airlines
Sun 23/206:05SEA - YYZ
Nonstop4h 45mMultiple Airlines
Deal found 16/1£208
Wed 26/319:05YYZ - SEA
Nonstop5h 25mUnited Airlines
Sun 30/306:05SEA - YYZ
Nonstop4h 50mUnited Airlines
Deal found 15/1£209
Mon 3/317:00YYZ - SEA
1 stop10h 50mDelta
Sun 9/300:49SEA - YYZ
1 stop9h 44mDelta
Deal found 17/1£217
Mon 28/409:00YYZ - SEA
2 stops14h 28mWestJet
Fri 2/514:05SEA - YYZ
2 stops12h 46mWestJet
Deal found 16/1£226

Find flights from Pearson Intl to Seattle within your budget

Customise 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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 8/4

16:30-18:50

Nonstop5h 20m

Seattle/Tacoma Intl

Wed 16/4

07:00-14:40

Nonstop4h 40m

£198

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 14/2

19:05-21:30

Nonstop5h 25m

Seattle/Tacoma Intl

Sun 23/2

06:05-13:50

Nonstop4h 45m

£208

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 26/3

19:05-21:30

Nonstop5h 25m

Seattle/Tacoma Intl

Sun 30/3

06:05-13:55

Nonstop4h 50m

£209

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 3/3

17:15-22:25

1 stop8h 10m

Seattle/Tacoma Intl

Sun 9/3

00:49-13:33

1 stop9h 44m

£217

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 28/4

09:00-20:28

2 stops14h 28m

Seattle/Tacoma Intl

Fri 2/5

14:05-05:51

2 stops12h 46m

£226

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 25/2

16:20-18:44

Nonstop5h 24m

£119

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 28/4

08:00-13:08

1 stop8h 08m

£121

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Fri 25/4

15:59-22:25

1 stop9h 26m

£137

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 8/4

14:00-22:28

2 stops11h 28m

£139

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 26/5

14:55-20:28

1 stop8h 33m

£179

Flights are sorted by cheapest return flights first.

Deals found on 17/1

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 return 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 return flight from Pearson Intl to Seattle. Price data was last updated on 10 January 2025.

The price you pay for your flight from Toronto Pearson Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £622). Flying from Toronto Pearson Intl Airport to Seattle in July is currently the most expensive (average of £946). 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 17 January 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 12% on flights from Toronto Pearson Intl Airport to Seattle by exploring options for tickets in the morning.

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 17 January 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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 17 January 2025.
Get a feel of what it's like to fly with WestJet, Alaska Airlines and United Airlines from Toronto to Seattle by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,684 reviews
Check prices

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
9,684 reviews
Alaska Airlines
8.0
Very Good
9,684 reviews
Check prices

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
8,513 reviews
Alaska Airlines
8.0
Very Good
9,684 reviews
Check prices

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
8,969 reviews
Alaska Airlines
8.0
Very Good
9,684 reviews
Check prices

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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
9,684 reviews
Check prices

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

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?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Toronto Pearson Intl. On average, Seattle/Tacoma Intl has 3 inbound flights from Toronto Pearson Intl per day from 1 airline. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    Alaska Airlines, at £198, was found to be the cheapest airline from Toronto Pearson Intl Airport to Seattle.Alternate airlines flying return to your destination include United Airlines and Delta. Alaska Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as £119. Users have also found prices from £121 and £137 on WestJet and Delta, 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?

    While on average a flight from Toronto Pearson Intl Airport to Seattle is generally £493, our data shows the cheapest flight currently is £129. When looking at the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl), you can expect to pay £189 for that flight.

  • 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 holiday 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 £622). Flying from Toronto Pearson Intl Airport to Seattle in July is currently the most expensive (average of £946). 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

Travelling to a place near Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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Top airline flying from Pearson Intl to Seattle

Discover the top airline 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 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£358Average£454FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pearson Intl to Seattle?

Cheapflights makes it easy to find Pearson Intl to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pearson Intl to Seattle?

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Can Cheapflights find flights from Pearson Intl to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pearson Intl to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pearson Intl to Seattle become cheaper?

Of course! You can now track prices for flights from Pearson Intl to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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