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

Monday, October 19th, 2026

4 round-trip options

Returning
Sun, Oct 25, 20266 Day Trip
$287 USD
Returning
Mon, Oct 26, 20267 Day Trip
$277 USD
Returning
Sat, Oct 31, 202612 Day Trip
$257 USD
Returning
Mon, Nov 2, 202614 Day Trip
$277 USD