S$ 177 Cheap Flights from Seattle to Toronto (SEA-YTO)

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Cheap Flights from Seattle to Toronto

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Cheap Flights from Seattle to Toronto starting at S$ 177

Book one-way or return flights from Seattle to Toronto from as little as S$ 177. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Seattle to Toronto? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Seattle to Toronto. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from Seattle to Toronto

View airlines operating flights from Seattle to Toronto. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From S$ 141

American Airlines

From S$ 175

Spirit Airlines

From S$ 177

Alaska Airlines

From S$ 183

Delta Air Lines

From S$ 185

Westjet

From S$ 217

United Airlines

From S$ 233

Sun Country Airlines

From S$ 250

Air Canada

From S$ 262

Southwest Airlines

From S$ 289

ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Toronto

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Toronto.

Cheapest
SEA
10:44
16h 51m
2 transfer
YYZ
06:35
Seattle-Tacoma International Airport - Toronto Pearson International Airport
Tue, May 14Frontier Airlines
S$ 141
SEA
13:50
13h 50m
1 transfer
YKF
06:40
Seattle-Tacoma International Airport - Region Of Waterloo International Airport
Mon, May 27Westjet
S$ 217
SEA
14:55
17h 27m
2 transfer
YTZ
11:22
Seattle-Tacoma International Airport - Billy Bishop Toronto City Airport
Sat, May 11Frontier Airlines
S$ 219
SEA
14:55
17h 27m
2 transfer
YTZ
11:22
Seattle-Tacoma International Airport - Billy Bishop Toronto City Airport
Sat, May 11Frontier Airlines
S$ 219
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Frequently Asked Questions

When to buy flight tickets from Seattle (SEA) to Toronto (YTO) the cheapest?
Airlines adjust prices for flights from Seattle to Toronto based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Seattle (SEA) to Toronto (YTO) cost?
According to Trip.com's data, the lowest price is around S$ 623.
How long is a flight from Seattle (SEA) to Toronto (YTO)?
It takes about 4 hours 39 minutes to fly from Seattle (SEA) to Toronto (YTO).
What is the transportation method from the main airport to downtown in Toronto?
- The distance from Toronto Pearson International Airport to downtown is about 20km, by taxi about 40 minutes.
- The distance from Billy Bishop Toronto City Airport to downtown is about 2km, by taxi about 20 minutes.
What time does the earliest flight from Seattle to Toronto depart?
The earliest flight departs from Seattle (SEA) at 09:35 and arrives in Toronto (YYZ) at 17:13.
What are the most popular airlines that fly from Seattle (SEA) to Toronto (YTO)?
Airlines with flights from Seattle (SEA) to Toronto (YTO): Air Canada, United Airlines, Turkish Airlines and Brussels Airlines.
What's the most popular airline for direct flights from Seattle (SEA) to Toronto (YTO)?
United Airlines operates 2 direct flights from Seattle (SEA) to Toronto (YTO).
How many airports in Toronto?
There are 5 airports near Toronto: Toronto Pearson International Airport, Hamilton John C. Munro International Airport, Region Of Waterloo International Airport, Buttonville Municipal Airport and Billy Bishop Toronto City Airport.

How to find a cheap flight from Seattle to Toronto

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Toronto. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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Flight Information from Seattle to Toronto

Cheapest direct flight price	S$ 177
Cheapest return ticket price	S$ 540
Cheapest month	January
Peak season for travel	October
Flight distance	3,325.49km
Average flight time	4 hours 39 minutes
Popular airline	Alaska Airlines