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

Sunday, December 20th, 2026

3 round-trip options

Returning
Sat, Dec 26, 20266 Day Trip
$443 USD
Returning
Tue, Dec 29, 20269 Day Trip
$319 USD
Returning
Fri, Jan 1, 202712 Day Trip
$440 USD