San Diego to Chicago

SANORD

Fly from San Diego to Chicago starting at USD 120 with Frontier Airlines.Best fare available on Oct 3, 2026.Limited seats. Better plans. Book before it's gone.

San Diego to Chicago cheapest flights this week

30 Sept
Frontier Airlines
20:32SAN
08:01ORD
1 StopUSD 123VIEW DEAL
30 Sept
Frontier Airlines
06:25SAN
22:23ORD
1 StopUSD 149VIEW DEAL
2 Oct
Frontier Airlines
21:03SAN
03:38ORD
1 StopUSD 160VIEW DEAL
3 Oct
Frontier Airlines
06:25SAN
22:23ORD
1 StopUSD 120VIEW DEAL
3 Oct
Frontier Airlines
09:03SAN
17:41ORD
1 StopUSD 141VIEW DEAL
4 Oct
Alaska Airlines
17:46SAN
21:59ORD
DirectUSD 173VIEW DEAL
9 Oct
Frontier Airlines
20:34SAN
03:16ORD
1 StopUSD 162VIEW DEAL
23 Oct
Frontier Airlines
14:01SAN
22:59ORD
1 StopUSD 140VIEW DEAL
24 Oct
Frontier Airlines
06:25SAN
22:24ORD
1 StopUSD 124VIEW DEAL
1 Nov
Alaska Airlines
07:02SAN
11:23ORD
DirectUSD 137VIEW DEAL

San Diego to Chicago monthly flight fare trend

Sep
from USD 123
Oct
from USD 120
Nov
from USD 137
Dec
from USD 134
Jan
from USD 137
Feb
from USD 182

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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