$89 Cheap Alaska Airlines flights Chicago (CHI) to Seattle (SEA)

$89 Cheap Alaska Airlines flights Chicago (CHI) to Seattle (SEA)

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 14 - Sat, Jan 31

ORD

Chicago

SEA

Seattle

$177 Roundtrip, found 6 hours ago

$177

Roundtrip

found 6 hours ago

Select Alaska Airlines flight, departing Wed, Jan 14 from Chicago to Seattle, returning Sat, Jan 31, priced at $177 found 6 hours ago

Wed, Jan 21 - Wed, Jan 28

ORD

Chicago

SEA

Seattle

$197 Roundtrip, found 11 hours ago

$197

Roundtrip

found 11 hours ago

Select Alaska Airlines flight, departing Wed, Jan 21 from Chicago to Seattle, returning Wed, Jan 28, priced at $197 found 11 hours ago

Sat, Jan 17 - Thu, Feb 19

ORD

Chicago

SEA

Seattle

$232 Roundtrip, found 11 hours ago

$232

Roundtrip

found 11 hours ago

Select Alaska Airlines flight, departing Sat, Jan 17 from Chicago to Seattle, returning Thu, Feb 19, priced at $232 found 11 hours ago

Wed, May 13 - Tue, May 19

ORD

Chicago

SEA

Seattle

$249 Roundtrip, found 8 hours ago

$249

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Wed, May 13 from Chicago to Seattle, returning Tue, May 19, priced at $249 found 8 hours ago

Tue, Apr 21 - Tue, Apr 28

ORD

Chicago

SEA

Seattle

$259 Roundtrip, found 3 days ago

$259

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Tue, Apr 21 from Chicago to Seattle, returning Tue, Apr 28, priced at $259 found 3 days ago

Wed, May 13 - Sun, May 24

ORD

Chicago

SEA

Seattle

$273 Roundtrip, found 8 hours ago

$273

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Wed, May 13 from Chicago to Seattle, returning Sun, May 24, priced at $273 found 8 hours ago