Question 1

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

Accepted Answer

A one-way nonstop (direct) flight between Seattle and Toronto takes around 4.8 hours.

Question 2

What is the flight distance between Seattle and Toronto?

Accepted Answer

The flight distance between Seattle and Toronto is 3310 km.

Question 3

What airlines offer nonstop (direct) flights between Seattle and Toronto?

Accepted Answer

Several carriers operate flights between Seattle and Toronto. Airlines offering nonstop (direct) flights include Alaska Airlines, United Airlines.

Question 4

What are the most popular routes to and from Seattle?

Accepted Answer

Travelers frequently search for route combinations, such as Seattle and London, Mexico City, New York, Las Vegas, Los Angeles, Guadalajara, Calgary, Edinburgh, Phoenix, San Francisco, Dallas, Chicago, Honolulu, San Diego, Ontario, Glasgow, Belfast, Denver, Istanbul, Kahului.

Question 5

What are the most popular routes to and from Toronto?

Accepted Answer

Travelers frequently search for route combinations, such as Toronto and London, Vancouver, Edmonton, Calgary, Winnipeg, Halifax, Montreal, Manchester, Edinburgh, Los Angeles, Atlanta, Kelowna, Saskatoon, Orlando, Las Vegas, Regina, Fort Lauderdale, Mexico City, San Francisco, Cancún.

Question 6

Which airports are there in Seattle?

Accepted Answer

Seattle is mainly served by Seattle–Tacoma International. But there are other airports nearby, including Boeing Field, Kenmore Air Harbor Seaplane Base.

Question 7

What airports are near Seattle?

Accepted Answer

The main airport in Seattle is Seattle–Tacoma International. It is also served by Vancouver International, Portland International, Bellingham International, Abbotsford International, Yakima Air Terminal, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Pangborn Memorial, Paine Field Everett.

Question 8

What airports are near Toronto?

Accepted Answer

The main airport in Toronto is Toronto Pearson International. It is also served by Buffalo Niagara International, Greater Rochester International, John C. Munro Hamilton International, Niagara Falls International, London International, Region of Waterloo International.

Question 9

Which airlines fly between Seattle and Toronto?

Accepted Answer

Currently, you can fly between Seattle and Toronto with Alaska Airlines, Porter Airlines, WestJet, United Airlines, Flair Airlines.

Question 10

When’s the best time to travel between Seattle and Toronto?

Accepted Answer

If you don’t have specific dates for your trip between Seattle and Toronto, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 11

What flights operate between Seattle and Toronto?

Accepted Answer

Traveling between Seattle and Toronto, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 12

How many airports are there near Seattle?

Accepted Answer

There are a number of airports in and around Seattle. The main one is Seattle–Tacoma International and other nearby airports include Vancouver International, Portland International, Bellingham International, Abbotsford International, Yakima Air Terminal, Vancouver Harbour Flight Centre, Victoria Inner Harbour SPB, Pangborn Memorial, Paine Field Everett

Question 13

How many airports are there near Toronto?

Accepted Answer

There are a number of airports in and around Toronto. The main one is Toronto Pearson International and other nearby airports include Buffalo Niagara International, Greater Rochester International, John C. Munro Hamilton International, Niagara Falls International, London International, Region of Waterloo International.

Question 14

What time do nonstop (direct) flights between Seattle and Toronto depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 15

What time do nonstop (direct) flights between Seattle and Toronto arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Toronto, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 16

What time do flights between Seattle and Toronto depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Seattle, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 17

What time do flights between Seattle and Toronto arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Toronto, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£132
Cheapest nonstop round-trip	£370
Cheapest round-trip	£276
Nonstop flights in May	£218 – £830
Most popular airline	Alaska Airlines

Transport Option	Typical Time	Typical Cost	Frequency	Best For
UP Express to Union Station	25 min	adult single fare; PRESTO card users same price	every 15 min (traffic dependent)	fastest to downtown
TTC Route 52 Lawrence West + Subway	60-90 min	single fare with free transfer to subway	every 10–20 min (traffic dependent)	budget travelers
TTC Route 192 Airport Rocket + Subway	55-80 min	single fare with free transfer to subway	every 10 min (traffic dependent)	connecting to Kipling Station
GO Transit Bus Route 40	50-75 min	varies by destination; PRESTO discount available	every 20–30 min (traffic dependent)	connections to GTA suburbs
Taxi	30-60 min	metered; flat rate zones available to downtown	on-demand 24/7 (traffic dependent)	door-to-door convenience
Ride-hailing (Uber/Lyft)	30-60 min	surge pricing may apply	on-demand 24/7 (traffic dependent)	app-based booking
Private transfer / shuttle	30-60 min	pre-booked; price varies by vehicle type	pre-booked (traffic dependent)	groups and families
Rental car	30-60 min	per day; varies by vehicle and provider	on-demand (traffic dependent)	exploring beyond Toronto

Airline	Mon 11.05	Tue 12.05	Wed 13.05	Thu 14.05	Fri 15.05	Sat 16.05	Sun 17.05
Alaska Airlines	1	1	1	1	1	1	1
United Airlines	1	1	1	2	1	1	1
Weekly flights: 15 total	Daily flights: 2.14 average	Most flights: Thursday 2 flights

Airline	Mon 18.05	Tue 19.05	Wed 20.05	Thu 21.05	Fri 22.05	Sat 23.05	Sun 24.05
Alaska Airlines	1	1	1	1	1	1	1
United Airlines	1	2	1	1	1	1	1
Weekly flights: 15 total	Daily flights: 2.14 average	Most flights: Tuesday 2 flights

Airline	Mon 25.05	Tue 26.05	Wed 27.05	Thu 28.05	Fri 29.05	Sat 30.05	Sun 31.05
Alaska Airlines	1	1	1	1	1	1	1
United Airlines	1	1	1	1	1	1	1
Weekly flights: 14 total	Daily flights: 2 average	Most flights: Monday 1 flights

Cheap flights from Seattle to Toronto from £132

Explore flight deals to Toronto

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights to Toronto cost?

Cheapest one-way trip

Cheapest nonstop round-trip

Cheapest round-trip

Nonstop flights in May

Most popular airline

Getting from Toronto's airport to the city center

Key info about flying to Toronto

Weekly direct flights

Check-in for a flight from Seattle to Toronto

Weather in Toronto

Average Weather

14 day forecast

Frequently asked questions

Explore alternative trips

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Company

Platform

Features

Discover

Name	Carrier code	IATA Code	Passport needed during booking
Alaska Airlines	ASA	AS	No
Porter Airlines	POE	PD	No
WestJet	WJA	WS	No
United Airlines	UAL	UA	No
Flair Airlines	FLE	F8	Yes

Month	Average monthly max temperature	Average monthly min temperature
January	-1°C	-6°C
February	0°C	-6°C
March	3°C	-2°C
April	9°C	3°C
May	15°C	9°C
June	21°C	14°C
July	25°C	18°C
August	25°C	18°C
September	21°C	15°C
October	14°C	9°C
November	7°C	2°C
December	2°C	-1°C