Chicago to San Diego

ORDSAN

Fly from Chicago to San Diego starting at USD 85 with Alaska Airlines.Best fare available on Jul 21, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to San Diego cheapest flights this week

20 Jul
American Airlines
06:47ORD
11:06SAN
DirectUSD 172VIEW DEAL
21 Jul
Alaska Airlines
19:59ORD
00:33SAN
DirectUSD 85VIEW DEAL
24 Jul
American Airlines
21:10ORD
01:28SAN
DirectUSD 172VIEW DEAL
30 Jul
Frontier Airlines
21:57ORD
01:51SAN
1 StopUSD 158VIEW DEAL
1 Aug
Frontier Airlines
09:28ORD
21:01SAN
1 StopUSD 131VIEW DEAL
1 Aug
Alaska Airlines
06:20ORD
10:54SAN
DirectUSD 100VIEW DEAL
1 Aug
Frontier Airlines
21:57ORD
11:05SAN
1 StopUSD 132VIEW DEAL
2 Aug
Alaska Airlines
06:20ORD
10:54SAN
DirectUSD 112VIEW DEAL
7 Aug
Frontier Airlines
09:20ORD
21:00SAN
1 StopUSD 127VIEW DEAL
8 Aug
Alaska Airlines
06:20ORD
10:54SAN
DirectUSD 112VIEW DEAL

Chicago to San Diego monthly flight fare trend

Jul
from USD 85
Aug
from USD 80
Sep
from USD 132
Oct
from USD 116
Nov
No flights
Dec
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

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