Chicago to San Diego

ORDSAN

Fly from Chicago to San Diego starting at USD 103 with Frontier Airlines.Best fare available on Nov 3, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to San Diego cheapest flights this week

12 Oct
Frontier Airlines
06:30ORD
17:58SAN
1 StopUSD 136VIEW DEAL
2 Nov
Frontier Airlines
06:30ORD
18:08SAN
1 StopUSD 130VIEW DEAL
2 Nov
Frontier Airlines
19:50ORD
01:57SAN
2 StopUSD 117VIEW DEAL
3 Nov
Frontier Airlines
06:30ORD
17:58SAN
1 StopUSD 103VIEW DEAL
4 Nov
Alaska Airlines
14:15ORD
18:56SAN
DirectUSD 107VIEW DEAL
6 Nov
Frontier Airlines
06:30ORD
01:57SAN
1 StopUSD 171VIEW 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
19 Dec
American Airlines
15:12ORD
19:45SAN
DirectUSD 194VIEW DEAL

Chicago to San Diego monthly flight fare trend

Oct
from USD 136
Nov
from USD 103
Dec
from USD 138
Jan
from USD 107
Feb
from USD 145
Mar
from USD 178

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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