Chicago to San Diego

ORDSAN

Fly from Chicago to San Diego starting at USD 100 with Frontier Airlines.Best fare available on Sep 14, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to San Diego cheapest flights this week

7 Sept
Alaska Airlines
06:05ORD
10:32SAN
DirectUSD 122VIEW DEAL
7 Sept
Alaska Airlines
20:17ORD
01:00SAN
DirectUSD 217VIEW DEAL
8 Sept
United Airlines
07:05ORD
11:32SAN
DirectUSD 150VIEW DEAL
9 Sept
Frontier Airlines
06:30ORD
17:59SAN
1 StopUSD 143VIEW DEAL
10 Sept
Alaska Airlines
20:17ORD
01:00SAN
DirectUSD 146VIEW DEAL
14 Sept
Frontier Airlines
13:01ORD
20:00SAN
1 StopUSD 100VIEW DEAL
14 Sept
Frontier Airlines
06:30ORD
17:58SAN
1 StopUSD 110VIEW DEAL
15 Sept
Frontier Airlines
06:30ORD
01:51SAN
1 StopUSD 140VIEW DEAL
16 Sept
Frontier Airlines
06:30ORD
17:59SAN
1 StopUSD 140VIEW DEAL
1 Oct
Frontier Airlines
22:40ORD
11:41SAN
1 StopUSD 116VIEW DEAL

Chicago to San Diego monthly flight fare trend

Sep
from USD 100
Oct
from USD 116
Nov
No flights
Dec
from USD 153
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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