Chicago to San Diego

ORDSAN

Fly from Chicago to San Diego starting at USD 107 with Frontier Airlines.Best fare available on Jun 9, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to San Diego cheapest flights this week

3 Jun
Alaska Airlines
09:00ORD
13:37SAN
Direct$121VIEW DEAL
7 Jun
United Airlines
07:00ORD
11:28SAN
Direct$171VIEW DEAL
8 Jun
Frontier Airlines
21:37ORD
14:33SAN
1 Stop$135VIEW DEAL
9 Jun
Frontier Airlines
12:38ORD
20:50SAN
1 Stop$107VIEW DEAL
10 Jul
Alaska Airlines
14:20ORD
18:59SAN
Direct$168VIEW DEAL
20 Jul
American Airlines
06:47ORD
11:06SAN
Direct$172VIEW DEAL
24 Jul
American Airlines
21:10ORD
01:28SAN
Direct$172VIEW DEAL

Chicago to San Diego monthly flight fare trend

May
from USD 86
Jun
from USD 107
Jul
from USD 168
Aug
No flights
Sep
No flights
Oct
No flights

Airport Details

Origin

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Destination

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Flights from Chicago

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