Cheap flights from Seattle to Northwest Chicago

View NZ$142 flight on Tue, 10 Jun. 2025Opens in a new window

Popular airlines from Seattle to Northwest Chicago

  • Delta

    Delta

  • American Airlines

    American Airlines

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Cheap Flights from Seattle (SEA) to Northwest Chicago (CHI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed., 4 Jun. - Wed., 11 Jun.
SEA
Seattle
ORD
Chicago
NZ$286 Return, found 1 day ago
NZ$286
Return
found 1 day ago
Select American Airlines flight, departing Wed., 4 Jun. from Seattle to Chicago, returning Wed., 11 Jun., priced at NZ$286 found 1 day ago
Delta
Wed., 4 Jun. - Wed., 11 Jun.
SEA
Seattle
ORD
Chicago
NZ$286 Return, found 1 day ago
NZ$286
Return
found 1 day ago
Select Delta flight, departing Wed., 4 Jun. from Seattle to Chicago, returning Wed., 11 Jun., priced at NZ$286 found 1 day ago
Delta
Wed., 4 Jun. - Wed., 11 Jun.
SEA
Seattle
ORD
Chicago
NZ$337 Return, found 1 day ago
NZ$337
Return
found 1 day ago
Select Delta flight, departing Wed., 4 Jun. from Seattle to Chicago, returning Wed., 11 Jun., priced at NZ$337 found 1 day ago
Delta
Wed., 4 Jun. - Wed., 11 Jun.
SEA
Seattle
ORD
Chicago
NZ$344 Return, found 1 day ago
NZ$344
Return
found 1 day ago
Select Delta flight, departing Wed., 4 Jun. from Seattle to Chicago, returning Wed., 11 Jun., priced at NZ$344 found 1 day ago
American Airlines
Tue., 3 Jun. - Tue., 10 Jun.
SEA
Seattle
ORD
Chicago
NZ$378 Return, found 4 days ago
NZ$378
Return
found 4 days ago
Select American Airlines flight, departing Tue., 3 Jun. from Seattle to Chicago, returning Tue., 10 Jun., priced at NZ$378 found 4 days ago
United
Sun., 22 Jun. - Mon., 30 Jun.
SEA
Seattle
ORD
Chicago
NZ$473 Return, found 6 days ago
NZ$473
Return
found 6 days ago
Select United flight, departing Sun., 22 Jun. from Seattle to Chicago, returning Mon., 30 Jun., priced at NZ$473 found 6 days ago
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