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

Monday, December 14th, 2026

3 round-trip options

Returning
Sun, Dec 20, 20266 Day Trip
$327 USD
Returning
Wed, Dec 23, 20269 Day Trip
$333 USD
Returning
Sat, Dec 26, 202612 Day Trip
$373 USD