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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 April , May 2026

27 Apr - 12 May $ 169.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
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10 Apr - 06 May $ 212.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
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08 Apr - 06 May $ 344.00
SFO
San Francisco
Alaska Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Alaska Airlines
1 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to Chicago

10 Apr - 30 Apr $ 237.00
SFO
San Francisco
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
1 STOPS
SFO
San Francisco
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28 Apr - 30 Apr $ 351.00
SFO
San Francisco
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
SFO
San Francisco
Pick dates
06 Apr - 30 Apr $ 586.00
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

12:45 AM - 12:45 AM
United Airlines
0 Stops
4h 22m
SFO - CHI
$ 119
Kiwi
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10:23 PM - 9:29 AM
Frontier Airlines
1 Stops
10h 27m
SFO - CHI
$ 126
Kiwi
Pick dates
12:45 AM - 12:45 AM
United Airlines
0 Stops
4h 22m
SFO - CHI
$ 222
Kiwi
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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.