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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 March , April 2026

24 Mar - 21 Apr $ 193.00
CHI
Chicago
Hawaiian Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Hawaiian Airlines
DIRECT
CHI
Chicago
Pick dates
10 Mar - 09 Apr $ 322.00
CHI
Chicago
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
CHI
Chicago
Pick dates
10 Mar - 09 Apr $ 322.00
CHI
Chicago
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
CHI
Chicago
Pick dates

Last minute flights from Chicago to San Diego

24 Mar - 31 Mar $ 241.00
CHI
Chicago
United Airlines
DIRECT
SAN
San Diego
SAN
San Diego
United Airlines
DIRECT
CHI
Chicago
Pick dates
10 Mar - 31 Mar $ 416.00
CHI
Chicago
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
CHI
Chicago
Pick dates
10 Mar - 31 Mar $ 416.00
CHI
Chicago
Alaska Airlines
DIRECT
SAN
San Diego
SAN
San Diego
Alaska Airlines
DIRECT
CHI
Chicago
Pick dates

One-way flights to San Diego from Chicago

4:13 PM - 4:13 PM
Hawaiian Airlines
0 Stops
4h 45m
CHI - SAN
$ 98
Kiwi
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8:20 AM - 8:20 AM
Alaska Airlines
0 Stops
4h 49m
CHI - SAN
$ 207
Kiwi
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1:01 PM - 1:01 PM
United Airlines
0 Stops
4h 38m
CHI - SAN
$ 209
Kiwi
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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.