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

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

Prices were available within the past 7 days and start at $89 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 24 - Fri, Dec 5

SEA

Seattle

ORD

Chicago

$158 Roundtrip, found 1 day ago

$158

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Chicago, returning Fri, Dec 5, priced at $158 found 1 day ago

Mon, Nov 24 - Thu, Dec 4

SEA

Seattle

ORD

Chicago

$162 Roundtrip, found 2 hours ago

$162

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Chicago, returning Thu, Dec 4, priced at $162 found 2 hours ago

Mon, Nov 24 - Sun, Dec 7

SEA

Seattle

ORD

Chicago

$163 Roundtrip, found 8 hours ago

$163

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Chicago, returning Sun, Dec 7, priced at $163 found 8 hours ago

Thu, Jan 8 - Sun, Jan 18

SEA

Seattle

ORD

Chicago

$163 Roundtrip, found 2 hours ago

$163

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Thu, Jan 8 from Seattle to Chicago, returning Sun, Jan 18, priced at $163 found 2 hours ago

Wed, Dec 31 - Thu, Jan 8

SEA

Seattle

ORD

Chicago

$164 Roundtrip, just found

$164

Roundtrip

just found

Select Alaska Airlines flight, departing Wed, Dec 31 from Seattle to Chicago, returning Thu, Jan 8, priced at $164 just found

Wed, Jan 14 - Sun, Jan 18

SEA

Seattle

ORD

Chicago

$168 Roundtrip, found 4 hours ago

$168

Roundtrip

found 4 hours ago

Select Alaska Airlines flight, departing Wed, Jan 14 from Seattle to Chicago, returning Sun, Jan 18, priced at $168 found 4 hours ago