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Cheap flights from Chicago (CHI) to San Diego (SAN)

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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 Chicago (CHI) to San Diego (SAN)

How to find the cheapest flight from Chicago (CHI) to San Diego (SAN)
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How to find the cheapest flight from Chicago (CHI) to San Diego (SAN)
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How to find the cheapest flight from Chicago (CHI) to San Diego (SAN)
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Cheap flights from Chicago to San Diego in April , May 2025

28 Apr - 04 May $ 213.00
CHI
Chicago
Frontier Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Frontier Airlines
1 STOPS
CHI
Chicago
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27 Apr - 09 May $ 249.00
CHI
Chicago
Spirit Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
1 STOPS
CHI
Chicago
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18 Apr - 14 May $ 714.00
CHI
Chicago
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
CHI
Chicago
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Last minute flights from Chicago to San Diego

27 Apr - 01 May $ 250.00
CHI
Chicago
Frontier Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Frontier Airlines
1 STOPS
CHI
Chicago
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28 Apr - 01 May $ 265.00
CHI
Chicago
Spirit Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Spirit Airlines
1 STOPS
CHI
Chicago
Pick dates
23 Apr - 30 Apr $ 903.00
CHI
Chicago
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
CHI
Chicago
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One-way flights to San Diego from Chicago

8:01 PM - 10:43 PM
Frontier Airlines
1 Stops
6h 13m
CHI - SAN
$ 107
Kiwi
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7:12 PM - 6:15 AM
Spirit Airlines
1 Stops
14h 22m
CHI - SAN
$ 148
Kiwi
Pick dates
4:55 PM - 4:55 PM
Alaska Airlines
0 Stops
4h 19m
CHI - SAN
$ 400
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to San Diego (SAN)

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