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

Monday, September 7th, 2026

4 round-trip options

Returning
Sun, Sep 13, 20266 Day Trip
$287 USD
Returning
Mon, Sep 14, 20267 Day Trip
$277 USD
Returning
Sat, Sep 19, 202612 Day Trip
$257 USD
Returning
Mon, Sep 21, 202614 Day Trip
$277 USD