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

Wednesday, September 23rd, 2026

4 round-trip options

Returning
Tue, Sep 29, 20266 Day Trip
$237 USD
Returning
Wed, Sep 30, 20267 Day Trip
$237 USD
Returning
Mon, Oct 5, 202612 Day Trip
$257 USD
Returning
Wed, Oct 7, 202614 Day Trip
$237 USD