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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.)

WestJet
Alaska Airlines
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 $307 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, Jan 27 - Thu, Jan 28

YYZ

Toronto

SEA

Seattle

CA $540

Roundtrip

Found 11 hours ago

Select WestJet flight, departing Wed, Jan 27 from Toronto to Seattle, returning Thu, Jan 28, priced at CA $540 Found 11 hours ago

Wed, Jan 13 - Thu, Jan 28

YYZ

Toronto

SEA

Seattle

CA $556

Roundtrip

Found 21 hours ago

Select WestJet flight, departing Wed, Jan 13 from Toronto to Seattle, returning Thu, Jan 28, priced at CA $556 Found 21 hours ago

Tue, Jan 26 - Tue, Jan 26

YYZ

Toronto

SEA

Seattle

CA $558

Roundtrip

Found 2 days ago

Select Delta flight, departing Tue, Jan 26 from Toronto to Seattle, returning Tue, Jan 26, priced at CA $558 Found 2 days ago

Tue, Nov 3 - Sat, Nov 7

YYZ

Toronto

SEA

Seattle

CA $567

Roundtrip

Found 1 hour ago

Select Delta flight, departing Tue, Nov 3 from Toronto to Seattle, returning Sat, Nov 7, priced at CA $567 Found 1 hour ago

Mon, Dec 14 - Wed, Jan 6

YYZ

Toronto

SEA

Seattle

CA $587

Roundtrip

Found 1 day ago

Select Delta flight, departing Mon, Dec 14 from Toronto to Seattle, returning Wed, Jan 6, priced at CA $587 Found 1 day ago

Tue, Dec 15 - Wed, Jan 6

YYZ

Toronto

SEA

Seattle

CA $596

Roundtrip

Found 1 day ago

Select WestJet flight, departing Tue, Dec 15 from Toronto to Seattle, returning Wed, Jan 6, priced at CA $596 Found 1 day ago

Thu, Jan 7 - Wed, Jan 13

YYZ

Toronto

SEA

Seattle

CA $598

Roundtrip

Found 1 day ago

Select WestJet flight, departing Thu, Jan 7 from Toronto to Seattle, returning Wed, Jan 13, priced at CA $598 Found 1 day ago

Tue, Nov 3 - Sat, Nov 7

YYZ

Toronto

SEA

Seattle

CA $705

Roundtrip

Found 1 hour ago

Select Alaska Airlines flight, departing Tue, Nov 3 from Toronto to Seattle, returning Sat, Nov 7, priced at CA $705 Found 1 hour ago

Fri, Nov 13 - Tue, Nov 17

YHM

Hamilton

SEA

Seattle

CA $746

Roundtrip

Found 5 days ago

Select Air Canada flight, departing Fri, Nov 13 from Hamilton to Seattle, returning Tue, Nov 17, priced at CA $746 Found 5 days ago

Tue, Nov 3 - Sat, Nov 7

YYZ

Toronto

SEA

Seattle

CA $819

Roundtrip

Found 1 hour ago

Select American Airlines flight, departing Tue, Nov 3 from Toronto to Seattle, returning Sat, Nov 7, priced at CA $819 Found 1 hour 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 $991

SEA

Seattle - Tacoma Intl.

Cheapest

20 min

Flights from CA $991

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
Popular airline	Air Canada
Roundtrip price	CA $540

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Flights from Orange County (SNA) to Seattle (SEA)
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CA $307 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