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

Saturday, December 5th, 2026

3 round-trip options

Returning
Fri, Dec 11, 20266 Day Trip
$267 USD
Returning
Mon, Dec 14, 20269 Day Trip
$247 USD
Returning
Thu, Dec 17, 202612 Day Trip
$247 USD