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

Monday, December 21st, 2026

3 round-trip options

Returning
Sun, Dec 27, 20266 Day Trip
$388 USD
Returning
Wed, Dec 30, 20269 Day Trip
$249 USD
Returning
Sat, Jan 2, 202712 Day Trip
$484 USD