CA $121 Cheap Alaska Airlines fights from Seattle (SEA) to Chicago (ORD)

Alaska Airlines flights from Seattle to Chicago (SEA→ORD)

Prices were available within the past 7 days and start at CA $121 for one-way flights and CA $141 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue., Nov. 4 - Tue., Nov. 4

SEA

Seattle

ORD

Chicago

CA $141 Roundtrip, found 6 days ago

CA $141

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Tue., Nov. 4 from Seattle to Chicago, returning Tue., Nov. 4, priced at CA $141 found 6 days ago

Tue., Sep. 16 - Tue., Sep. 30

SEA

Seattle

ORD

Chicago

CA $149 Roundtrip, found 2 days ago

CA $149

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue., Sep. 16 from Seattle to Chicago, returning Tue., Sep. 30, priced at CA $149 found 2 days ago

Tue., Sep. 16 - Sat., Oct. 4

SEA

Seattle

ORD

Chicago

CA $160 Roundtrip, found 2 days ago

CA $160

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue., Sep. 16 from Seattle to Chicago, returning Sat., Oct. 4, priced at CA $160 found 2 days ago

Thu., Sep. 4 - Mon., Sep. 8

SEA

Seattle

ORD

Chicago

CA $173 Roundtrip, found 6 days ago

CA $173

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Thu., Sep. 4 from Seattle to Chicago, returning Mon., Sep. 8, priced at CA $173 found 6 days ago

Fri., Sep. 26 - Tue., Sep. 30

SEA

Seattle

ORD

Chicago

CA $184 Roundtrip, found 4 days ago

CA $184

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Fri., Sep. 26 from Seattle to Chicago, returning Tue., Sep. 30, priced at CA $184 found 4 days ago

Tue., Oct. 14 - Mon., Nov. 3

SEA

Seattle

ORD

Chicago

CA $196 Roundtrip, found 2 days ago

CA $196

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue., Oct. 14 from Seattle to Chicago, returning Mon., Nov. 3, priced at CA $196 found 2 days ago