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

Thursday, December 31st, 2026

3 round-trip options

Returning
Wed, Jan 6, 20276 Day Trip
$249 USD
Returning
Sat, Jan 9, 20279 Day Trip
$257 USD
Returning
Tue, Jan 12, 202712 Day Trip
$249 USD