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Flights from Toronto (YTO-All Airports) to Seattle-Tacoma International Airport (SEA)
Flights to Seattle
Washington
United States of America
Flights
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Popular airlines from Toronto to Seattle, WA (SEA-Seattle - Tacoma Intl.)

Alaska Airlines
WestJet
Delta
American Airlines
Air Canada
United

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Cheap Flights from Toronto to Seattle (YTO-SEA)

Prices were available within the past 7 days and start at CA $311 for one-way flights and CA $540 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Wed, Feb 3 - Wed, Feb 10

YYZ

Toronto

SEA

Seattle

CA $540

Roundtrip

Found 1 day ago

Select WestJet flight, departing Wed, Feb 3 from Toronto to Seattle, returning Wed, Feb 10, priced at CA $540 Found 1 day ago

Mon, Nov 23 - Wed, Jan 6

YYZ

Toronto

SEA

Seattle

CA $544

Roundtrip

Found 1 day ago

Select WestJet flight, departing Mon, Nov 23 from Toronto to Seattle, returning Wed, Jan 6, priced at CA $544 Found 1 day ago

Thu, Dec 17 - Thu, Dec 17

YYZ

Toronto

SEA

Seattle

CA $546

Roundtrip

Found 1 hour ago

Select Delta flight, departing Thu, Dec 17 from Toronto to Seattle, returning Thu, Dec 17, priced at CA $546 Found 1 hour ago

Sat, Jan 23 - Sat, Feb 6

YYZ

Toronto

SEA

Seattle

CA $567

Roundtrip

Found 1 day ago

Select Delta flight, departing Sat, Jan 23 from Toronto to Seattle, returning Sat, Feb 6, priced at CA $567 Found 1 day ago

Wed, Jan 27 - Wed, Feb 10

YYZ

Toronto

SEA

Seattle

CA $582

Roundtrip

Found 11 hours ago

Select WestJet flight, departing Wed, Jan 27 from Toronto to Seattle, returning Wed, Feb 10, priced at CA $582 Found 11 hours ago

Thu, Dec 10 - Wed, Jan 6

YYZ

Toronto

SEA

Seattle

CA $583

Roundtrip

Found 2 hours ago

Select WestJet flight, departing Thu, Dec 10 from Toronto to Seattle, returning Wed, Jan 6, priced at CA $583 Found 2 hours ago

Tue, Nov 24 - Wed, Jan 6

YYZ

Toronto

SEA

Seattle

CA $586

Roundtrip

Found 2 hours ago

Select WestJet flight, departing Tue, Nov 24 from Toronto to Seattle, returning Wed, Jan 6, priced at CA $586 Found 2 hours ago

Wed, Nov 11 - Tue, Nov 17

YYZ

Toronto

SEA

Seattle

CA $706

Roundtrip

Just found

Select Alaska Airlines flight, departing Wed, Nov 11 from Toronto to Seattle, returning Tue, Nov 17, priced at CA $706 Just found

Sat, Nov 7 - Tue, Nov 24

YKF

Kitchener

SEA

Seattle

CA $810

Roundtrip

Found 4 days ago

Select Air Canada flight, departing Sat, Nov 7 from Kitchener to Seattle, returning Tue, Nov 24, priced at CA $810 Found 4 days ago

Wed, Nov 25 - Wed, Dec 2

YYZ

Toronto

SEA

Seattle

CA $819

Roundtrip

Found 9 hours ago

Select American Airlines flight, departing Wed, Nov 25 from Toronto to Seattle, returning Wed, Dec 2, priced at CA $819 Found 9 hours ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $695

SEA

Seattle - Tacoma Intl.

Cheapest

20 min

Flights from CA $695

Find the cheapest month to fly from Toronto (YTO) to Seattle (SEA)

October is typically the cheapest month to fly

From CA $458 - CA $784 per traveller.

Travel information

Origin airport	Kitchener, ON
Destination airport	Seattle-Tacoma International Airport
Distance	3,259 km away
Airlines serving	Air Canada, WestJet
Popular airline	Air Canada
Roundtrip price	CA $540

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CA $311 Cheap Flights from Toronto (YTO) to Seattle (SEA)

Popular airlines from Toronto to Seattle, WA (SEA-Seattle - Tacoma Intl.)

Be in the know

Book smarter

Earn twice

Cheap Flights from Toronto to Seattle (YTO-SEA)

Alternative airports near Seattle

Find the cheapest month to fly from Toronto (YTO) to Seattle (SEA)

October is typically the cheapest month to flyOctober is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

October is typically the cheapest month to fly