Chicago (ORD) to San Diego (SAN) flight deal in economy from $237

Tuesday, September 1st, 2026

4 round-trip options

Returning
Mon, Sep 7, 20266 Day Trip
$257 USD
Returning
Tue, Sep 8, 20267 Day Trip
$237 USD
Returning
Sun, Sep 13, 202612 Day Trip
$267 USD
Returning
Tue, Sep 15, 202614 Day Trip
$237 USD