$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 5 hours ago

$158

Roundtrip

found 5 hours ago

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

Tue, Jan 6 - Thu, Jan 8

SEA

Seattle

ORD

Chicago

$159 Roundtrip, found 2 hours ago

$159

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Jan 6 from Seattle to Chicago, returning Thu, Jan 8, priced at $159 found 2 hours ago

Thu, Mar 5 - Sun, Mar 8

SEA

Seattle

ORD

Chicago

$162 Roundtrip, found 2 hours ago

$162

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Thu, Mar 5 from Seattle to Chicago, returning Sun, Mar 8, priced at $162 found 2 hours ago

Mon, Nov 24 - Sun, Dec 7

SEA

Seattle

ORD

Chicago

$163 Roundtrip, found 6 hours ago

$163

Roundtrip

found 6 hours ago

Select Alaska Airlines flight, departing Mon, Nov 24 from Seattle to Chicago, returning Sun, Dec 7, priced at $163 found 6 hours ago

Thu, Jan 15 - Sun, Jan 18

SEA

Seattle

ORD

Chicago

$163 Roundtrip, just found

$163

Roundtrip

just found

Select Alaska Airlines flight, departing Thu, Jan 15 from Seattle to Chicago, returning Sun, Jan 18, priced at $163 just found

Wed, Dec 31 - Thu, Jan 8

SEA

Seattle

ORD

Chicago

$164 Roundtrip, found 7 hours ago

$164

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Wed, Dec 31 from Seattle to Chicago, returning Thu, Jan 8, priced at $164 found 7 hours ago

Thu, Dec 25 - Sun, Jan 4

SEA

Seattle

ORD

Chicago

$166 Roundtrip, found 2 hours ago

$166

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Thu, Dec 25 from Seattle to Chicago, returning Sun, Jan 4, priced at $166 found 2 hours ago

Tue, Jan 6 - Thu, Jan 8

SEA

Seattle

ORD

Chicago

$169 Roundtrip, found 2 hours ago

$169

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Tue, Jan 6 from Seattle to Chicago, returning Thu, Jan 8, priced at $169 found 2 hours ago

Fri, Jan 2 - Mon, Jan 5

SEA

Seattle

ORD

Chicago

$171 Roundtrip, just found

$171

Roundtrip

just found

Select Alaska Airlines flight, departing Fri, Jan 2 from Seattle to Chicago, returning Mon, Jan 5, priced at $171 just found