Cheap Flights From Seattle - Tacoma Intl. (SEA) To CHI-All Airports (CHI)

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Cheapest Flights from Seattle (SEA) to Chicago (CHI)

The cheapest flights to CHI-All Airports found within the past 7 days were CA $224 round trip and CA $114 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Apr 25 - Tue, Apr 28
SEA
Seattle
ORD
Chicago
CA $224 Roundtrip, found 5 days ago
CA $224
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Apr 25 from Seattle to Chicago, returning Tue, Apr 28, priced at CA $224 found 5 days ago
Sun, Apr 19 - Tue, Apr 28
SEA
Seattle
ORD
Chicago
CA $263 Roundtrip, found 5 days ago
CA $263
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Apr 19 from Seattle to Chicago, returning Tue, Apr 28, priced at CA $263 found 5 days ago
Sat, Apr 25 - Tue, Apr 28
SEA
Seattle
ORD
Chicago
CA $287 Roundtrip, found 5 days ago
CA $287
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Apr 25 from Seattle to Chicago, returning Tue, Apr 28, priced at CA $287 found 5 days ago
Thu, Apr 23 - Fri, May 1
SEA
Seattle
ORD
Chicago
CA $302 Roundtrip, found 5 days ago
CA $302
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Apr 23 from Seattle to Chicago, returning Fri, May 1, priced at CA $302 found 5 days ago
Sun, Apr 19 - Tue, Apr 28
SEA
Seattle
ORD
Chicago
CA $305 Roundtrip, found 5 days ago
CA $305
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Apr 19 from Seattle to Chicago, returning Tue, Apr 28, priced at CA $305 found 5 days ago
Tue, Apr 14 - Tue, Apr 14
SEA
Seattle
ORD
Chicago
CA $321 Roundtrip, found 5 days ago
CA $321
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Apr 14 from Seattle to Chicago, returning Tue, Apr 14, priced at CA $321 found 5 days ago
Sun, Apr 19 - Tue, Apr 28
SEA
Seattle
ORD
Chicago
CA $326 Roundtrip, found 5 days ago
CA $326
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Apr 19 from Seattle to Chicago, returning Tue, Apr 28, priced at CA $326 found 5 days ago
Mon, Apr 27 - Sat, May 2
SEA
Seattle
ORD
Chicago
CA $329 Roundtrip, found 5 days ago
CA $329
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Apr 27 from Seattle to Chicago, returning Sat, May 2, priced at CA $329 found 5 days ago
Mon, Apr 27 - Mon, May 4
SEA
Seattle
ORD
Chicago
CA $330 Roundtrip, found 6 days ago
CA $330
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Apr 27 from Seattle to Chicago, returning Mon, May 4, priced at CA $330 found 6 days ago
Wed, May 6 - Tue, May 12
SEA
Seattle
ORD
Chicago
CA $331 Roundtrip, found 2 days ago
CA $331
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 6 from Seattle to Chicago, returning Tue, May 12, priced at CA $331 found 2 days ago

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.