Flights to Northwest Chicago from Seattle from RM374

View RM374 flight on Tue, 9 Sep 2025Opens in a new window

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

Prices were available within the past 7 days and start at RM374 for one-way flights and RM1,075 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 1 Oct - Sun, 12 Oct
SEA
Seattle
ORD
Chicago
RM1,075 Return, found 6 days ago
RM1,075
Return
found 6 days ago
Select Delta flight, departing Wed, 1 Oct from Seattle to Chicago, returning Sun, 12 Oct, priced at RM1,075 found 6 days ago
Delta
Wed, 1 Oct - Sun, 12 Oct
SEA
Seattle
ORD
Chicago
RM1,102 Return, found 6 days ago
RM1,102
Return
found 6 days ago
Select Delta flight, departing Wed, 1 Oct from Seattle to Chicago, returning Sun, 12 Oct, priced at RM1,102 found 6 days ago
Delta
Wed, 1 Oct - Sun, 12 Oct
SEA
Seattle
ORD
Chicago
RM1,145 Return, found 6 days ago
RM1,145
Return
found 6 days ago
Select Delta flight, departing Wed, 1 Oct from Seattle to Chicago, returning Sun, 12 Oct, priced at RM1,145 found 6 days ago
Delta
Wed, 1 Oct - Sun, 12 Oct
SEA
Seattle
ORD
Chicago
RM1,207 Return, found 6 days ago
RM1,207
Return
found 6 days ago
Select Delta flight, departing Wed, 1 Oct from Seattle to Chicago, returning Sun, 12 Oct, priced at RM1,207 found 6 days ago
American Airlines
Wed, 1 Oct - Sun, 12 Oct
SEA
Seattle
ORD
Chicago
RM1,274 Return, found 6 days ago
RM1,274
Return
found 6 days ago
Select American Airlines flight, departing Wed, 1 Oct from Seattle to Chicago, returning Sun, 12 Oct, priced at RM1,274 found 6 days ago
United
Wed, 1 Oct - Sun, 12 Oct
SEA
Seattle
ORD
Chicago
RM1,296 Return, found 6 days ago
RM1,296
Return
found 6 days ago
Select United flight, departing Wed, 1 Oct from Seattle to Chicago, returning Sun, 12 Oct, priced at RM1,296 found 6 days ago
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