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

Tuesday, December 1st, 2026

3 round-trip options

Returning
Mon, Dec 7, 20266 Day Trip
$307 USD
Returning
Thu, Dec 10, 20269 Day Trip
$307 USD
Returning
Sun, Dec 13, 202612 Day Trip
$327 USD