Chicago to San Diego

ORDSAN

Fly from Chicago to San Diego starting at USD 116 with Frontier Airlines.Best fare available on Oct 1, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to San Diego cheapest flights this week

30 Sept
Frontier Airlines
06:30ORD
17:59SAN
1 StopUSD 147VIEW DEAL
1 Oct
Frontier Airlines
22:40ORD
11:41SAN
1 StopUSD 116VIEW DEAL
1 Oct
American Airlines
15:08ORD
19:29SAN
DirectUSD 124VIEW DEAL
1 Oct
Frontier Airlines
13:01ORD
20:00SAN
1 StopUSD 161VIEW DEAL
3 Oct
Frontier Airlines
06:30ORD
17:58SAN
1 StopUSD 119VIEW DEAL
12 Oct
Frontier Airlines
06:30ORD
17:58SAN
1 StopUSD 136VIEW DEAL
2 Nov
Frontier Airlines
06:30ORD
18:08SAN
1 StopUSD 130VIEW DEAL
10 Dec
American Airlines
16:45ORD
21:15SAN
DirectUSD 138VIEW DEAL
17 Dec
United Airlines
10:25ORD
18:06SAN
1 StopUSD 153VIEW DEAL
18 Dec
American Airlines
15:12ORD
19:45SAN
DirectUSD 204VIEW DEAL

Chicago to San Diego monthly flight fare trend

Sep
from USD 147
Oct
from USD 116
Nov
from USD 130
Dec
from USD 138
Jan
No flights
Feb
from USD 145

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

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