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Cheap flights from San Francisco (SFO) to Chicago (CHI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)

How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)
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How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)
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How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)
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Cheap flights from San Francisco to Chicago in September , October 2026

28 Sep - 20 Oct $ 333.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
30 Sep - 06 Oct $ 393.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
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27 Sep - 11 Oct $ 721.00
SFO
San Francisco
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
SFO
San Francisco
Pick dates

Last minute flights from San Francisco to Chicago

28 Sep - 30 Sep $ 396.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
29 Sep - 01 Oct $ 400.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
29 Sep - 30 Sep $ 653.00
SFO
San Francisco
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
SFO
San Francisco
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One-way flights to Chicago from San Francisco

11:58 PM - 9:36 AM
Frontier Airlines
1 Stops
10h 1m
SFO - CHI
$ 197
Kiwi
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8:24 PM - 11:50 PM
Frontier Airlines
1 Stops
7h 14m
SFO - CHI
$ 199
Kiwi
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12:35 AM - 12:35 AM
United Airlines
0 Stops
4h 21m
SFO - CHI
$ 267
Kiwi
Pick dates

How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)

Related info for your journey
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How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to Chicago (CHI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.