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

Sunday, December 20th, 2026

5 round-trip options

Returning
Mon, Dec 28, 20268 Day Trip
$389 USD
Returning
Tue, Dec 29, 20269 Day Trip
$325 USD
Returning
Wed, Dec 30, 202610 Day Trip
$315 USD
Returning
Thu, Dec 31, 202611 Day Trip
$323 USD
Returning
Sun, Jan 3, 202714 Day Trip
$517 USD