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

Wednesday, December 23rd, 2026

3 round-trip options

Returning
Tue, Dec 29, 20266 Day Trip
$241 USD
Returning
Fri, Jan 1, 20279 Day Trip
$362 USD
Returning
Mon, Jan 4, 202712 Day Trip
$319 USD