Cheap Flights from Seattle to Toronto

Cheapest flights from Seattle to Toronto

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seattle to Toronto. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$80

Westjet

2 transfers

8h 44m

01/16/2026

The cheapest one-way flight from Seattle to Toronto departs on 01/16/2026, is operated by Westjet and costs $80

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Seattle to Toronto

The fastest flight

4h 43m

Fastest flight from Seattle to Toronto takes 4h 43m

Direct flights

Once a week

There are direct flights on this route 1 day a week: Th

Earliest flight

7:55 AM

Latest flight

8:10 AM

Direct flights count

30

Distance

3324km

Timezone difference

3h

The distance between Seattle and Toronto is 3324km (2061 miles). There are 30 direct flights from Seattle to Toronto. The time difference between Seattle and Toronto is 3h. Flights from Seattle begin at 7:55 AM. The latest flight from Seattle departs at 8:10 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Seattle to Toronto by month

The minimum one-way ticket price from Seattle to Toronto is $110 (June 2026), while the maximum is $353 (November 2025). On average, a ticket costs $207–$510.

June 2026

Lowest price

on average:

$110

November 2025

Highest price

on average:

$353

Avg Price

Airlines operating on route

The Seattle — Toronto route is served by a wide range of airlines: 5 in total, including Air Canada, Alaska Airlines, United Airlines, Westjet, and Jazz. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $80. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

Starting at $109

Starting at $248

Starting at $157

Starting at $80

Starting at $515

Direct Flights from Seattle to Toronto

A direct flight is the most convenient and comfortable way to fly from Seattle to Toronto, despite the fact that sometimes flights with transfers can cost significantly less.

Seattle — Toronto

SEA — YTO

12/06/2025

Departure

Direct flight

AC542

Starting at $664

Seattle — Toronto

SEA — YTO

12/24/2025

Departure

Direct flight

AS385

Starting at $540

Seattle — Toronto

SEA — YTO

12/25/2025

Departure

Direct flight

AS385

Starting at $432

Seattle — Toronto

SEA — YTO

01/16/2026

Departure

Direct flight

UA8244

Starting at $253

Seattle — Toronto

SEA — YTO

01/17/2026

Departure

Direct flight

UA8244

Starting at $171

Seattle — Toronto

SEA — YTO

01/24/2026

Departure

Direct flight

AC542

Starting at $172

Seattle — Toronto

SEA — YTO

06/09/2026

Departure

Direct flight

AS385

Starting at $248

Seattle — Toronto

SEA — YTO

06/20/2026

Departure

Direct flight

UA540

Starting at $367

Schedule of direct flights from Seattle to Toronto

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Seattle to Toronto:

Unable to find information about the schedule of direct flights from

Seattle airports overview

Boeing Field International Airport

•

BFI

8km

Seattle-Tacoma International Airport

•

SEA

19km

•

Toronto airports overview

Hamilton Airport

•

YHM

71km

Toronto City Centre Airport

•

YTZ

3km

Pearson International Airport

•

YYZ

19km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Seattle to Toronto?

The cheapest flight ticket from Seattle to Toronto according to data for the last 48 hours costs $80

When is the best time to buy air tickets on the route Seattle — Toronto?

Often the best time to buy tickets from Seattle to Toronto is 2 months before departure.

When is the cheapest time of year to fly from Seattle to Toronto?

Based on statistics over the past years, the lowest prices for flights from Seattle to Toronto can be found flying in these months: June, December, November.

How long does it take to fly from Seattle to Toronto?

The fastest flights from Seattle to Toronto start from 4 hours 43 minutes in the air.

Which airline can fly direct from Seattle to Toronto?

The following airlines operate direct flights on the route Seattle — Toronto: Air Canada, Alaska Airlines, United Airlines

Special offers and sales on air tickets from Seattle to Toronto

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Seattle to Toronto

Alternative routes

Bellingham ➜ Toronto•Boise ➜ Toronto•Eugene ➜ Toronto•Spokane ➜ Toronto•Everett ➜ Toronto•Kamloops ➜ Toronto•Yakima ➜ Toronto•Kelowna ➜ Toronto•Abbotsford ➜ Toronto•Calgary ➜ Toronto•Seattle ➜ Binghamton•Seattle ➜ Detroit•Seattle ➜ Erie•Seattle ➜ Syracuse•Seattle ➜ Kitchener•Seattle ➜ Windsor•Seattle ➜ London

•••••••••••••••••••

Cheapest one way flight

$80

Westjet

2 transfers

8h 44m

01/16/2026

The cheapest one-way flight from Seattle to Toronto departs on 01/16/2026, is operated by Westjet and costs $80

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Seattle to Toronto

The fastest flight