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

Monday, September 21st, 2026

4 round-trip options

Returning
Sun, Sep 27, 20266 Day Trip
$287 USD
Returning
Mon, Sep 28, 20267 Day Trip
$277 USD
Returning
Sat, Oct 3, 202612 Day Trip
$267 USD
Returning
Mon, Oct 5, 202614 Day Trip
$277 USD