SEA - YTZ

$180 Find Cheap Flights from Seattle to Toronto Island - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$521
Typical prices: $488-$488
Multiple Airlines
Mon 12/3Thu 12/6
SEA - YTZ • 1 stop
Cheapest one-way
$180
Typical prices: $274-$321
Multiple Airlines
Sun 11/18
SEA - YTZ • 3 stops
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We hope you love your trip to Toronto Island Airport!
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Flight Deals

Cheap Flights from Seattle to Toronto (SEA-YTZ)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Toronto

Thu, Dec 3 - Sun, Dec 6
Multiple Airlines Logo
10:40 pm - 11:19 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
9h 39m1 stop Newark
Multiple Airlines Logo
4:35 pm - 3:43 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
26h 08m2 stops Chicago O'Hare Intl Denver Intl
$521Multiple Airlines
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
9:09 pm - 3:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
38h 51m2 stops Las Vegas Harry Reid Intl Chicago O'Hare Intl
Multiple Airlines Logo
4:35 pm - 11:53 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 18m1 stop Chicago O'Hare Intl
$523Multiple Airlines
Tue, Nov 17 - Fri, Nov 20
Multiple Airlines Logo
9:18 pm - 11:19 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
11h 01m1 stop Newark
Multiple Airlines Logo
4:35 pm - 8:41 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
19h 06m1 stop Chicago O'Hare Intl
$534Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
10:22 am - 9:05 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
7h 43m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:30 am - 6:11 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 41m1 stop Chicago O'Hare Intl
$535Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
8:09 am - 9:05 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
9h 56m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
4:35 pm - 8:57 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
19h 22m1 stop Chicago O'Hare Intl
$538Multiple Airlines
Mon, Dec 14 - Wed, Dec 16
Multiple Airlines Logo
11:40 pm - 3:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
12h 20m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:30 am - 6:11 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 41m1 stop Chicago O'Hare Intl
$540Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
11:40 pm - 3:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
12h 20m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
12:15 pm - 10:26 amYTZ  Toronto Island-SEA Seattle/Tacoma Intl
25h 11m2 stops Ottawa Newark
$541Multiple Airlines
Fri, Jan 22 - Mon, Jan 25
Multiple Airlines Logo
4:29 pm - 3:06 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
19h 37m2 stops Denver Intl Chicago O'Hare Intl
Multiple Airlines Logo
10:35 am - 6:02 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 27m1 stop Chicago O'Hare Intl
$545Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
7:57 pm - 9:39 amSEA  Seattle/Tacoma Intl-YTZ Toronto Island
10h 42m2 stops Portland Newark
Multiple Airlines Logo
10:30 am - 6:11 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
10h 41m1 stop Chicago O'Hare Intl
$547Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
11:40 pm - 3:00 pmSEA  Seattle/Tacoma Intl-YTZ Toronto Island
12h 20m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
10:30 am - 9:46 pmYTZ  Toronto Island-SEA Seattle/Tacoma Intl
14h 16m1 stop Chicago O'Hare Intl
$548Multiple Airlines
Booking Insights

Price, demand and travel trends for Seattle to Toronto Island Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest layover airport when flying from Seattle to Toronto Island Airport?

Flights via Newark (EWR) offer the most affordable fares, with an average round-trip price of $877. Based on KAYAK data over the past 3 months.

When flying from Seattle to Toronto Island Airport which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Seattle to Toronto Island Airport layovers at 5h 02m over the past 3 months.

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Key details for Seattle to Toronto Island Airport flights

Cheapest flight

$180
One-way flight from Seattle to Toronto Island Airport

When to book flights from Seattle to Toronto

Are your dates flexible? Find out the best times to travel from Seattle to Toronto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Toronto Island Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Toronto Island Airport?

    Only Economy Class is available on flights from Seattle to Toronto Island Airport.

  • Do I need a passport to fly from Seattle to Toronto Island Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to Toronto Island Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $521 to $3,104. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Seattle to Toronto Island Airport looking right now?

    One-way fares from Seattle to Toronto Island Airport are currently lower than usual. Average one-way flight prices are about $216, which is 33% below the typical average for this route.

  • Which airports can I use when flying from Seattle to Toronto Island Airport?

    Flights from Seattle to Toronto Island Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Toronto Island (YTZ).

  • Which airports do connecting flights from Seattle to Toronto Island Airport pass through?

    Most connecting flights from Seattle to Toronto Island Airport pass through Newark (EWR), which handles 100% of one-stop traffic on this route.

  • What is the time difference between Seattle and Toronto Island Airport?

    Toronto Island Airport is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Toronto Island Airport?

    Some of the most popular sights in Toronto Island Airport are Rogers Centre, Union Station and Scotiabank Arena. These are among the most viewed places in Toronto Island Airport on KAYAK.

Your guide to booking Seattle to Toronto Island Airport flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Seattle to Toronto

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