San Diego to Chicago

SANORD

Fly from San Diego to Chicago starting at USD 120 with Alaska Airlines.Best fare available on Aug 18, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Chicago cheapest flights this week

31 Jul
Frontier Airlines
20:51SAN
03:37ORD
1 StopUSD 174VIEW DEAL
2 Aug
Frontier Airlines
06:35SAN
18:27ORD
1 StopUSD 197VIEW DEAL
3 Aug
Frontier Airlines
20:51SAN
03:37ORD
1 StopUSD 162VIEW DEAL
5 Aug
Frontier Airlines
06:35SAN
14:00ORD
1 StopUSD 139VIEW DEAL
6 Aug
Alaska Airlines
17:58SAN
03:00ORD
1 StopUSD 149VIEW DEAL
7 Aug
Frontier Airlines
20:51SAN
03:37ORD
1 StopUSD 162VIEW DEAL
15 Aug
Alaska Airlines
07:00SAN
11:21ORD
DirectUSD 144VIEW DEAL
18 Aug
Alaska Airlines
07:00SAN
11:21ORD
DirectUSD 120VIEW DEAL
19 Aug
American Airlines
22:45SAN
03:02ORD
DirectUSD 134VIEW DEAL
21 Aug
Alaska Airlines
07:03SAN
11:22ORD
DirectUSD 145VIEW DEAL

San Diego to Chicago monthly flight fare trend

Jul
from USD 174
Aug
from USD 120
Sep
from USD 123
Oct
No flights
Nov
from USD 137
Dec
from USD 134

Airport Details

Origin

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Destination

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Flights from San Diego

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