Q: How much does it cost to fly round-trip from Toronto Pearson Intl Airport to Seattle?

Airfare is below average for this route at the moment. Toronto Pearson Intl Airport to Seattle flights typically cost between C$ 387 and C$ 693 in September. The cheapest round-trip price found within the last 3 days was C$ 311 on Air Canada (5 Sep-14 Sep).

Question 1

How much does it cost to fly round-trip from Toronto Pearson Intl Airport to Seattle?

Accepted Answer

Airfare is below average for this route at the moment.Toronto Pearson Intl Airport to Seattle flights typically cost between C$ 387 and C$ 693 in September.
The cheapest round-trip price found within the last 3 days was C$ 311 on Air Canada (5 Sep-14 Sep).

Question 2

What’s the top layover airport for flights from Toronto Pearson Intl Airport to Seattle?

Accepted Answer

Calgary (YYC) – chosen by Cheapflights users on 74% of one-stop itineraries from Toronto Pearson Intl Airport to Seattle on Cheapflights.

Question 3

Which airport typically offers the quickest layover for flights from Toronto Pearson Intl Airport to Seattle?

Accepted Answer

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 01m.

Question 4

What’s the cheapest layover airport for flights from Toronto Pearson Intl Airport to Seattle?

Accepted Answer

San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of C$ 387.

Question 5

What’s the fastest layover option from Toronto Pearson Intl Airport to Seattle?

Accepted Answer

Flights via Vancouver (YVR) have the shortest average one-way travel time for 1-stop routes: 3h 54m.

Question 6

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

Accepted Answer

According to our current data, Air Canada (C$ 311), WestJet (C$ 314), and Alaska Airlines (C$ 347) offers the cheapest pricing from Toronto Pearson Intl Airport to Seattle. Air Canada is 36% cheaper than the average price of flights available within the next 90 days to this destination.

Question 7

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

Accepted Answer

The cheapest airlines for a one-way flight from Toronto Pearson Intl Airport to Seattle are Alaska Airlines (C$ 204), WestJet (C$ 206), and Air Canada (C$ 210).

Question 8

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

Accepted Answer

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto Pearson Intl Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Seattle (average of C$ 262). Flying from Toronto Pearson Intl Airport to Seattle in December is currently the most expensive (average of C$ 353). 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.

Question 10

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

Accepted Answer

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

Question 11

Weekly flight availability from Toronto Pearson Intl Airport to Seattle

Accepted Answer

The most flights from YYZ to SEA are scheduled on a Tuesday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm 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.

Question 13

E

Accepted Answer

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).

Question 14

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

Accepted Answer

The cheapest flight price from Toronto Pearson Intl Airport to Seattle is C$ 207. On average you can expect to pay C$ 596. The most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl), can usually be booked for C$ 322.

Question 15

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

Accepted Answer

Consider Air Tahiti Nui (94%), Alaska Airlines (93%) or Hawaiian Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from Toronto Pearson Intl Airport to Seattle.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Saturday flights are found to be more expensive to fly from Toronto Pearson Intl Airport to Seattle. 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 Seattle.

Question 18

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

Accepted Answer

Find a great deal and save up to 40% by booking at least 53 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Toronto Pearson Intl Airport to Seattle within the next two weeks, with the cheapest ticket starting at C$ 476.

Question 19

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Seattle. Flights to Seattle from Toronto Pearson Intl Airport in February are about C$ 492 on average during February, but can be found for as low as C$ 285.

Question 20

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

Accepted Answer

It’s optimal to fly from Toronto Pearson Intl Airport to Seattle in the evening. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

Question 21

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

Accepted Answer

Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Toronto Pearson Intl to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Toronto Pearson Intl; the airport handles an average of 4 inbound flights from Toronto Pearson Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Seattle airport from Toronto Pearson Intl. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

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.

Question 24

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

Accepted Answer

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.

Question 25

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

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Pearson Intl today with Cheapflights!

Question 26

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

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Pearson Intl.

Question 27

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

Accepted Answer

Certainly. Search results for flights to Seattle from Pearson Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 28

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

Accepted Answer

Yes, Cheapflights offers price alerts on Pearson Intl to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	C$ 311
One-way from	C$ 204
Popular in	July
Cheapest in	February
Average price	C$ 616
Good round-trip deal	C$ 444 or less
Good one-way deal	C$ 307 or less

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 302	AverageC$ 420	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Alaska Airlines	CheapestC$ 328	AverageC$ 499	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Air Canada	CheapestC$ 345	AverageC$ 609	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 362	AverageC$ 621	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 370	AverageC$ 489	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Hawaiian Airlines	CheapestC$ 408	AverageC$ 460	FlexibilityNo cancel fee	On-time85%	Search Hawaiian Airlines flights

Cheap flights from Toronto Pearson Intl Airport to Seattle from C$ 204

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Toronto Pearson Intl to Seattle/Tacoma Intl are usually found in February or January, booked 90 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Pearson Intl to Seattle

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Cheapest flights from Pearson Intl to SeattleExplore 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 29 July 2025.

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 29 July 2025.

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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.

Cheapflights Insights

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

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 25 July 2025.

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

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 29 July 2025.

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 27 July 2025.

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 29 July 2025.

How much does it cost to fly round-trip from Toronto Pearson Intl Airport to Seattle?

What’s the top layover airport for flights from Toronto Pearson Intl Airport to Seattle?

Share of one-stop round-trip flights from Toronto Pearson Intl Airport to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Toronto Pearson Intl Airport to Seattle?

Average round-trip fare for 1-stop flights from Toronto Pearson Intl Airport to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Toronto Pearson Intl Airport to Seattle?

Shortest average travel time for 1-stop one-way flights from Toronto Pearson Intl Airport to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Toronto Pearson Intl Airport to Seattle?

Average layover duration for 1-stop one-way flights from Toronto Pearson Intl Airport to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Seattle

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?

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

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

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

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

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

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

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

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

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Top 6 airlines flying from Pearson Intl to Seattle

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

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

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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 29 July 2025.