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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 August , September 2026

26 Aug - 23 Sep $ 258.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
25 Aug - 09 Sep $ 259.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
18 Aug - 15 Sep $ 455.00
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

25 Aug - 31 Aug $ 359.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
26 Aug - 31 Aug $ 360.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
Pick dates
19 Aug - 31 Aug $ 507.00
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

8:23 PM - 11:41 PM
Frontier Airlines
1 Stops
7h 36m
SFO - CHI
$ 176
Kiwi
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8:23 PM - 11:59 PM
Frontier Airlines
1 Stops
7h 54m
SFO - CHI
$ 176
Kiwi
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3:10 PM - 3:10 PM
United Airlines
0 Stops
4h 20m
SFO - CHI
$ 237
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.