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

Thursday, September 17th, 2026

4 round-trip options

Returning
Wed, Sep 23, 20266 Day Trip
$257 USD
Returning
Thu, Sep 24, 20267 Day Trip
$277 USD
Returning
Tue, Sep 29, 202612 Day Trip
$257 USD
Returning
Thu, Oct 1, 202614 Day Trip
$277 USD