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

Monday, October 12th, 2026

4 round-trip options

Returning
Sun, Oct 18, 20266 Day Trip
$346 USD
Returning
Mon, Oct 19, 20267 Day Trip
$336 USD
Returning
Sat, Oct 24, 202612 Day Trip
$316 USD
Returning
Mon, Oct 26, 202614 Day Trip
$336 USD