Cheap flights from Seattle to Toronto

Depart
Return
Any month
Compare vs. momondo |

Easily compare round-trip flights from Seattle to Toronto

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Toronto by changing tabs
Quickest
Cheapest
Delta
Delta
26 Oct
SEA
12:40 am
Seattle/Tacoma Intl airport
11h 19m
1 Stop
2:59 pm
YYZ
Toronto Pearson Intl airport
Delta
29 Oct
YYZ
2:00 am
Toronto Pearson Intl airport
11h 58m
1 Stop
10:58 am
SEA
Seattle/Tacoma Intl airport
448 USD
Delta
Delta
06 Nov
SEA
3:21 am
Seattle/Tacoma Intl airport
8h 35m
1 Stop
2:56 pm
YYZ
Toronto Pearson Intl airport
Delta
13 Nov
YYZ
1:00 am
Toronto Pearson Intl airport
11h 39m
1 Stop
9:39 am
SEA
Seattle/Tacoma Intl airport
448 USD
Delta
Delta
13 Nov
SEA
3:21 am
Seattle/Tacoma Intl airport
8h 35m
1 Stop
2:56 pm
YYZ
Toronto Pearson Intl airport
Delta
19 Nov
YYZ
9:31 am
Toronto Pearson Intl airport
10h 34m
1 Stop
5:05 pm
SEA
Seattle/Tacoma Intl airport
448 USD
Air Canada
Air Canada
13 Nov
SEA
11:20 pm
Seattle/Tacoma Intl airport
4h 43m
7:03 am
+1
YYZ
Toronto Pearson Intl airport
Air Canada
16 Nov
YYZ
1:25 pm
Toronto Pearson Intl airport
5h 33m
3:58 pm
SEA
Seattle/Tacoma Intl airport
630 USD
Alaska Airlines
Alaska Airlines
15 Nov
SEA
4:50 pm
Seattle/Tacoma Intl airport
7h 16m
1 Stop
3:06 am
+1
YYZ
Toronto Pearson Intl airport
Alaska Airlines
19 Nov
YYZ
8:40 am
Toronto Pearson Intl airport
8h 00m
1 Stop
1:40 pm
SEA
Seattle/Tacoma Intl airport
649 USD
WestJet
WestJet
26 Oct
SEA
2:30 am
Seattle/Tacoma Intl airport
7h 57m
1 Stop
1:27 pm
YYZ
Toronto Pearson Intl airport
WestJet
27 Oct
YYZ
3:00 pm
Toronto Pearson Intl airport
9h 07m
1 Stop
9:07 pm
SEA
Seattle/Tacoma Intl airport
462 USD

How to get the cheapest flight ticket from Seattle to Toronto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Toronto?
February
The cheapest time of year to fly to Toronto from Seattle is February. Most expensive is June
What is the cheapest day to fly to Toronto?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Monday
When is the cheapest time to fly to Toronto?
in the afternoon
Seattle to Toronto flights are approximately 46% more expensive in the morning than in the afternoon
What is the cheapest airline that flies to Toronto?
Frontier
Frontier, American Airlines, and WestJet are the most popular carriers operating from Seattle to Toronto
What is the cheapest route?
Seattle/Tacoma Intl - Toronto Pearson Intl
Fly from Seattle/Tacoma Intl to Toronto Pearson Intl for the best Seattle - Toronto flight prices
When is the cheapest time to book a flight to Toronto?
60 days before
The cheapest time to buy a flight from Seattle to Toronto is approximately 60 days to departure
60
Days before departure
0

Flight information for Seattle to Toronto (YTO - 03A)

Find info about flight duration, direct flights, and airports for your flight from Seattle to Toronto
Fastest flight time 4h 32m The fastest flight from Seattle to Toronto takes 4h 32m.
Direct flights Every day Direct flights go from Seattle to Toronto every day.
Airports in Toronto 4 airports There are 4 airports near Toronto: Toronto Kitchener-Waterloo (YKF), Toronto Pearson Intl (YYZ), Toronto Island (YTZ), Toronto Hamilton (YHM)

Alternative routes for Seattle to Toronto

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Portland to Toronto
Fastest flight time
4h 35m
Cheapest price
333 USD

Flights from Seattle to:

Flights to Toronto from:

  • Seattle
  • Washington
  • United States
  • North America
*Flight prices to Toronto are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.