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

Tuesday, December 8th, 2026

5 round-trip options

Returning
Sun, Dec 13, 20265 Day Trip
$267 USD
Returning
Mon, Dec 14, 20266 Day Trip
$257 USD
Returning
Thu, Dec 17, 20269 Day Trip
$317 USD
Returning
Sat, Dec 19, 202611 Day Trip
$317 USD
Returning
Sun, Dec 20, 202612 Day Trip
$352 USD