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

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesORD

O'Hare International Airport

Chicago, United States
United StatesSAN

San Diego International Airport

San Diego, United States
$322 USD
-26%$237 USD
Verified about 7 hours ago
Fair Availability
30% of dates checked are available within 10% of the lowest price

Thursday, October 1st, 2026

5 round-trip options

Returning
Thu, Oct 8, 2026•7 Day Trip
$257 USD
Google Flights
Returning
Fri, Oct 9, 2026•8 Day Trip
$277 USD
Google Flights
Returning
Tue, Oct 13, 2026•12 Day Trip
$247 USD
Google Flights
Returning
Wed, Oct 14, 2026•13 Day Trip
$247 USD
Google Flights
Returning
Thu, Oct 15, 2026•14 Day Trip
$257 USD
Google Flights