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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly

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

The cheapest flights to CHI-All Airports found within the past 7 days were CA $156 round trip and CA $92 one way. Prices and availability subject to change. Additional terms may apply.

Wed., 8 Jan. - Tue., 14 Jan.
SEA
Seattle
ORD
Chicago
CA $156 Roundtrip, found 3 days ago
CA $156
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Tue., 14 Jan., priced at CA $156 found 3 days ago
Wed., 8 Jan. - Tue., 14 Jan.
SEA
Seattle
ORD
Chicago
CA $179 Roundtrip, found 3 days ago
CA $179
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Tue., 14 Jan., priced at CA $179 found 3 days ago
Wed., 8 Jan. - Tue., 14 Jan.
SEA
Seattle
ORD
Chicago
CA $225 Roundtrip, found 3 days ago
CA $225
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Tue., 14 Jan., priced at CA $225 found 3 days ago
Wed., 8 Jan. - Mon., 13 Jan.
SEA
Seattle
ORD
Chicago
CA $230 Roundtrip, found 15 hours ago
CA $230
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Mon., 13 Jan., priced at CA $230 found 15 hours ago
Wed., 8 Jan. - Mon., 13 Jan.
SEA
Seattle
ORD
Chicago
CA $238 Roundtrip, found 15 hours ago
CA $238
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Mon., 13 Jan., priced at CA $238 found 15 hours ago
Sat., 8 Feb. - Sat., 15 Feb.
SEA
Seattle
ORD
Chicago
CA $239 Roundtrip, found 22 hours ago
CA $239
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Sat., 8 Feb. from Seattle to Chicago, returning Sat., 15 Feb., priced at CA $239 found 22 hours ago
Wed., 8 Jan. - Mon., 13 Jan.
SEA
Seattle
ORD
Chicago
CA $240 Roundtrip, found 15 hours ago
CA $240
Roundtrip
found 15 hours ago
Select Spirit Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Mon., 13 Jan., priced at CA $240 found 15 hours ago
Sat., 8 Feb. - Sat., 15 Feb.
SEA
Seattle
ORD
Chicago
CA $240 Roundtrip, found 22 hours ago
CA $240
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Sat., 8 Feb. from Seattle to Chicago, returning Sat., 15 Feb., priced at CA $240 found 22 hours ago
Wed., 8 Jan. - Tue., 14 Jan.
SEA
Seattle
ORD
Chicago
CA $248 Roundtrip, found 3 days ago
CA $248
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed., 8 Jan. from Seattle to Chicago, returning Tue., 14 Jan., priced at CA $248 found 3 days ago
Tue., 28 Jan. - Thu., 30 Jan.
SEA
Seattle
ORD
Chicago
CA $252 Roundtrip, found 2 days ago
CA $252
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue., 28 Jan. from Seattle to Chicago, returning Thu., 30 Jan., priced at CA $252 found 2 days ago

Popular Flight Routes from Seattle (SEA)

Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle (SEA) today with the cheap prices from Travelocity!

Popular Flight Routes from Chicago (CHI)

Travelers at CHI love to visit these top cities. Roam to the top destinations from Chicago(CHI) today with the cheap prices from Travelocity!

*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.