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

Cheapflights users have booked flights from Seattle to Toronto Pearson Intl Airport round-trip from $263. Other airlines that can offer you cheap pricing are Alaska Airlines, from $328, and Delta, from $342. Users have found that WestJet is 39% cheaper than the other options available to this destination.

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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from WestJet and Alaska Airlines, as they are both options that can get you from Seattle to Toronto Pearson Intl Airport for a low price.

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

On average you can expect to pay $750 for a flight from Seattle to Toronto Pearson Intl Airport. The cheapest flight overall is $160 while the most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl) is currently priced at $274.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Toronto Pearson Intl Airport on time: Air Tahiti Nui (100%), Brussels Airlines (100%), Alaska Airlines (90%).

What are the most popular airlines that fly from Seattle to Toronto Pearson Intl Airport?

Before booking your flight from Seattle to Toronto Pearson Intl Airport check out the most popular airlines for this route: Air Canada, Alaska Airlines or Delta.

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

Saturday flights are generally found to be more expensive for flights from Seattle to Toronto Pearson Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Toronto Pearson Intl Airport.

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

January is one of the best times of the year to fly to Toronto Pearson Intl Airport from Seattle. Prices for January average $428 per person but you can even find prices for as low as $128. The most expensive prices can be found in the month of June. Opting for a January flight can save you 19% on your journey compared to booking in June

Most accurate provider : When it comes to deals on Seattle-Toronto Pearson Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Toronto Pearson Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Toronto Pearson Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Toronto Pearson Intl Airport 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 Seattle-Toronto Pearson Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Seattle to Toronto Pearson Intl?

If you book a flight to Toronto Pearson Intl from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 5 flights from Seattle/Tacoma Intl to Toronto Pearson Intl per day from 5 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Seattle to Pearson Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$148+ Flights from Seattle to Toronto Pearson Intl Airport

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Toronto Pearson Intl are usually found in January or March, booked 70 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Pearson Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$263 (Kiwi.com)
One-way from	$148 (Kiwi.com)
Popular in	August
Cheapest in	January
Average price	$509
Good round-trip deal	$465 or less
Good one-way deal	$200 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto Pearson Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto Pearson Intl flights.

Search Deals

From Seattle/Tacoma Intl to Toronto Pearson Intl

Search Deals

One-way flight from Seattle/Tacoma Intl to Toronto Pearson Intl

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Toronto Pearson Intl.

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Price to beat on a one-way flight from Seattle/Tacoma Intl to Toronto Pearson Intl.

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Find flight deals from Seattle to Pearson Intl

Cheapest flights from Seattle to Pearson Intl
Explore the most affordable flight options available from Seattle to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Wed 6/117:05 amSEA - YYZ

2 stops10h 58mWestJet

Mon 6/168:00 amYYZ - SEA

1 stop7h 58mWestJet

Deal found 4/10

$263

Sat 6/710:49 amSEA - YYZ

1 stop17h 11mMultiple Airlines

Fri 6/139:00 amYYZ - SEA

2 stops14h 28mMultiple Airlines

Deal found 4/10

$278

Thu 5/17:15 amSEA - YYZ

Nonstop4h 45mAlaska Airlines

Sat 5/104:45 pmYYZ - SEA

Nonstop5h 14mAlaska Airlines

Deal found 4/10

$328

Sat 5/2411:50 pmSEA - YYZ

1 stop8h 50mDelta

Tue 6/171:28 pmYYZ - SEA

1 stop12h 37mDelta

Deal found 4/10

$342

Thu 6/1211:40 amSEA - YYZ

Nonstop4h 57mUnited Airlines

Mon 6/168:30 amYYZ - SEA

Nonstop5h 21mUnited Airlines

Deal found 4/10

$381

Wed 5/212:55 pmSEA - YYZ

1 stop7h 14mAir Canada

Wed 5/288:25 amYYZ - SEA

Nonstop5h 20mAir Canada

Deal found 4/10

$386

Best flights from Seattle to Pearson Intl
Discover carefully curated flight deals from Seattle to Pearson Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Wed 6/117:05 amSEA - YYZ

2 stops10h 58mWestJet

Mon 6/168:00 amYYZ - SEA

1 stop7h 58mWestJet

Deal found 4/10

$263

Sat 6/710:49 amSEA - YYZ

1 stop17h 11mMultiple Airlines

Fri 6/139:00 amYYZ - SEA

2 stops14h 28mMultiple Airlines

Deal found 4/10

$278

Thu 5/17:15 amSEA - YYZ

Nonstop4h 45mAlaska Airlines

Mon 5/54:45 pmYYZ - SEA

Nonstop5h 14mAlaska Airlines

Deal found 4/10

$328

Sat 5/2411:50 pmSEA - YYZ

1 stop8h 50mDelta

Tue 6/171:28 pmYYZ - SEA

1 stop12h 37mDelta

Deal found 4/10

$342

Thu 6/1211:40 amSEA - YYZ

Nonstop4h 57mUnited Airlines

Mon 6/168:30 amYYZ - SEA

Nonstop5h 21mUnited Airlines

Deal found 4/10

$381

Wed 5/212:55 pmSEA - YYZ

1 stop7h 14mAir Canada

Fri 6/138:30 amYYZ - SEA

Nonstop5h 21mAir Canada

Deal found 4/10

$386

Last-minute flights from Seattle to Pearson Intl
Discover last-minute flight deals from Seattle to Pearson Intl. Data last updated April 11, 2025 and is based on user searches.

Wed 4/1612:59 amSEA - YYZ

1 stop12h 26mAmerican Airlines

Thu 4/2411:35 amYYZ - SEA

1 stop14h 34mAmerican Airlines

Deal found 4/10

$884

Thu 4/1712:45 amSEA - YYZ

1 stop8h 14mDelta

Tue 4/221:27 pmYYZ - SEA

1 stop9h 07mDelta

Deal found 4/9

$1,000

Thu 4/176:00 amSEA - YYZ

Nonstop4h 57mAir Canada

Thu 4/247:20 pmYYZ - SEA

Nonstop5h 21mAir Canada

Deal found 4/10

$1,056

Fri 4/1811:34 amSEA - YYZ

1 stop15h 21mMultiple Airlines

Tue 4/227:25 pmYYZ - SEA

1 stop19h 10mMultiple Airlines

Deal found 4/9

$376

Sat 4/1910:50 amSEA - YYZ

1 stop10h 08mUnited Airlines

Sun 4/201:00 pmYYZ - SEA

1 stop9h 01mUnited Airlines

Deal found 4/10

$1,022

Sun 4/207:20 amSEA - YYZ

Nonstop4h 40mAlaska Airlines

Thu 4/244:45 pmYYZ - SEA

Nonstop5h 14mAlaska Airlines

Deal found 4/10

$760

Wed 4/3012:59 amSEA - YYZ

1 stop12h 26mAmerican Airlines

Sat 5/1012:35 pmYYZ - SEA

1 stop12h 15mAmerican Airlines

Deal found 4/10

$493

Thu 5/17:15 amSEA - YYZ

Nonstop4h 45mAlaska Airlines

Sat 5/104:45 pmYYZ - SEA

Nonstop5h 14mAlaska Airlines

Deal found 4/10

$328

Sat 5/242:55 pmSEA - YYZ

2 stops12h 52mAir Canada

Sat 5/3112:00 pmYYZ - SEA

1 stop10h 37mAir Canada

Deal found 4/9

$322

Sat 5/2411:50 pmSEA - YYZ

1 stop8h 50mDelta

Tue 6/171:28 pmYYZ - SEA

1 stop12h 37mDelta

Deal found 4/10

$342

Sun 5/2511:50 pmSEA - YYZ

1 stop7h 08mUnited Airlines

Sun 6/18:30 amYYZ - SEA

Nonstop5h 21mUnited Airlines

Deal found 4/10

$391

Mon 5/268:25 amSEA - YYZ

1 stop7h 31mWestJet

Fri 6/139:00 amYYZ - SEA

2 stops14h 28mWestJet

Deal found 4/10

$264

One-way flights from Seattle to Pearson Intl
Search for one-way flight options from Seattle to Pearson Intl. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Tue 5/204:20 pmSEA - YYZ

2 stops18h 19mMultiple Airlines

Deal found 4/10

$148

Fri 5/212:45 amSEA - YYZ

1 stop8h 14mDelta

Deal found 4/10

$149

Fri 7/47:35 pmSEA - YYZ

1 stop8h 17mWestJet

Deal found 4/9

$152

Sat 5/177:23 amSEA - YYZ

Nonstop4h 37mAlaska Airlines

Deal found 4/10

$166

Wed 5/212:55 pmSEA - YYZ

1 stop7h 14mAir Canada

Deal found 4/10

$174

Fri 5/161:10 amSEA - YYZ

1 stop12h 15mAmerican Airlines

Deal found 4/10

$178

Sun 5/42:15 pmSEA - YYZ

2 stops18h 19mUnited Airlines

Deal found 4/10

$181

Sun 5/117:15 amSEA - YYZ

Nonstop4h 45mHawaiian Airlines

Deal found 4/10

$212

Sun 5/257:23 amSEA - YYZ

Nonstop4h 37mQatar Airways

Deal found 4/10

$371

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Toronto Pearson Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 6/11

7:05 am-9:03 pm

2 stops10h 58m

Toronto Pearson Intl

Mon 6/16

8:00 am-12:58 pm

1 stop7h 58m

$263

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 6/7

10:49 am-7:00 am

1 stop17h 11m

Toronto Pearson Intl

Fri 6/13

9:00 am-8:28 pm

2 stops14h 28m

$278

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 5/1

7:15 am-3:00 pm

Nonstop4h 45m

Toronto Pearson Intl

Sat 5/10

4:45 pm-6:59 pm

Nonstop5h 14m

$328

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 5/24

11:50 pm-11:40 am

1 stop8h 50m

Toronto Pearson Intl

Tue 6/17

1:28 pm-11:05 pm

1 stop12h 37m

$342

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 6/12

11:40 am-7:37 pm

Nonstop4h 57m

Toronto Pearson Intl

Mon 6/16

8:30 am-10:51 am

Nonstop5h 21m

$381

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 5/21

2:55 pm-1:09 am

1 stop7h 14m

Toronto Pearson Intl

Fri 6/13

8:30 am-10:51 am

Nonstop5h 21m

$386

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 5/20

4:20 pm-1:39 pm

2 stops18h 19m

$148

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 5/2

12:45 am-11:59 am

1 stop8h 14m

$149

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 7/4

7:35 pm-6:52 am

1 stop8h 17m

$152

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 5/17

7:23 am-3:00 pm

Nonstop4h 37m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 15 results

Compare providers for flights from Seattle to Pearson Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Pearson Intl in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
FlightsMojo	Price Accuracy-	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust 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 Seattle-Toronto Pearson Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Toronto Pearson Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Toronto Pearson Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Toronto Pearson Intl Airport 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 Seattle-Toronto Pearson Intl Airport 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 Seattle to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl 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 Toronto Pearson Intl Airport

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

The price you pay for your flight from Seattle to Toronto Pearson Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 70 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 Seattle to Toronto Pearson Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Seattle to Toronto Pearson Intl Airport (average of $243). Flying from Seattle to Toronto Pearson Intl Airport in July is currently the most expensive (average of $359). 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 YYZ?

One of the essential ways to save on airfare from Seattle to Toronto Pearson Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 58% on airfare.

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

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

Weekly flight availability from Seattle to Toronto Pearson Intl Airport

The most flights from SEA to YYZ are scheduled on a Thursday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Pearson Intl by month

In terms of precipitation, rainfall in Toronto Pearson Intl Airport ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto Pearson Intl Airport when rainfall is around 2.0 in.

Temperature in Pearson Intl by month

If weather is an important factor for your trip to Toronto Pearson Intl Airport, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Pearson Intl

Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Seattle to Toronto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,911 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.9

Good

2,365 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Qatar Airways

7.4

Good

3,550 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

What airport do you fly from for flights from Seattle to Toronto Pearson Intl?
If you book a flight to Toronto Pearson Intl from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 5 flights from Seattle/Tacoma Intl to Toronto Pearson Intl per day from 5 different airlines.
What are the cheapest airlines flying from Seattle to Toronto Pearson Intl Airport round-trip?
Cheapflights users have booked flights from Seattle to Toronto Pearson Intl Airport round-trip from $263. Other airlines that can offer you cheap pricing are Alaska Airlines, from $328, and Delta, from $342. Users have found that WestJet is 39% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Seattle to Toronto Pearson Intl Airport one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from WestJet and Alaska Airlines, as they are both options that can get you from Seattle to Toronto Pearson Intl Airport for a low price.
What are the most reliable airlines from Seattle to Toronto Pearson Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Toronto Pearson Intl Airport on time: Air Tahiti Nui (100%), Brussels Airlines (100%), Alaska Airlines (90%).
What are the cheapest flights from Seattle to Toronto Pearson Intl Airport?
On average you can expect to pay $750 for a flight from Seattle to Toronto Pearson Intl Airport. The cheapest flight overall is $160 while the most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl) is currently priced at $274.
Can I find deals for flights from Seattle to Pearson Intl that include hotel bookings?
Yes. In addition to deals on Seattle to Pearson Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Pearson Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Pearson Intl.
Can I find deals for business class flights from Seattle to Pearson Intl?
Yes. Cheapflights offers flight deals from Seattle to Pearson Intl 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 Toronto Pearson Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Toronto Pearson Intl Airport (average of $243). Flying from Seattle to Toronto Pearson Intl Airport in July is currently the most expensive (average of $359). 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.

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Top 5 airlines flying from Seattle to Pearson Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$136	Average$507	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$158	Average$472	FlexibilityNo cancel fee	On-time69%
WestJet	Cheapest$235	Average$445	FlexibilityNo cancel fee	On-time60%
Alaska Airlines	Cheapest$249	Average$496	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$394	Average$553	FlexibilityNo cancel fee	On-timeN/A

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$148+ Cheap flights from Seattle (SEA) to Pearson Intl (YYZ)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Pearson Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Toronto Pearson Intl are usually found in January or March, booked 70 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Seattle to Pearson Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to Pearson Intl

Cheapest flights from Seattle to Pearson IntlExplore the most affordable flight options available from Seattle to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Explore the most affordable flight options available from Seattle to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Toronto Pearson Intl Airport that are best for you.

Compare providers for flights from Seattle to Pearson Intl

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 Seattle to Pearson Intl in April.

Best time to book a flight from Seattle to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Toronto Pearson Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Pearson Intl. Price data was last updated on April 4, 2025.

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

What is the cheapest time of day to fly from SEA to YYZ?

Find hourly flight availability from Seattle to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Pearson Intl. Price data was last updated on March 30, 2025.

Weekly flight availability from Seattle to Toronto Pearson Intl Airport

Explore weekly flight availability from Seattle to Pearson Intl. 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 April 11, 2025.

Rainfall in Pearson Intl by month

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

Temperature in Pearson Intl by month

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

Reviews of airlines servicing Pearson Intl

Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Seattle to Toronto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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

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

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Alternative routes for Seattle to Pearson Intl

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Top 5 airlines flying from Seattle to Pearson Intl

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Cheapest flights from Seattle to Pearson Intl
Explore the most affordable flight options available from Seattle to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.