St Louis to Chicago

STLMDW

Fly from St Louis to Chicago starting at USD 62 with Southwest Airlines.Best fare available on Sep 30, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Chicago cheapest flights this week

30 Sept
Southwest Airlines
06:30STL
07:35MDW
DirectUSD 81VIEW DEAL
30 Sept
Southwest Airlines
10:45STL
11:50MDW
DirectUSD 62VIEW DEAL
1 Oct
Southwest Airlines
18:10STL
19:15MDW
DirectUSD 62VIEW DEAL
4 Oct
Frontier Airlines
10:20STL
11:59MDW
1 StopUSD 178VIEW DEAL
4 Oct
Southwest Airlines
05:45STL
06:50MDW
DirectUSD 190VIEW DEAL
4 Oct
Southwest Airlines
21:50STL
23:00MDW
DirectUSD 286VIEW DEAL
4 Oct
Southwest Airlines
11:00STL
12:10MDW
DirectUSD 208VIEW DEAL
5 Oct
Southwest Airlines
05:25STL
06:30MDW
DirectUSD 62VIEW DEAL
6 Oct
Southwest Airlines
14:25STL
15:30MDW
DirectUSD 62VIEW DEAL
6 Oct
Southwest Airlines
20:50STL
22:00MDW
DirectUSD 62VIEW DEAL

St Louis to Chicago monthly flight fare trend

Sep
from USD 62
Oct
from USD 61
Nov
from USD 56
Dec
No flights
Jan
No flights
Feb
No flights

Airport Details

Origin

St Louis

St. Louis Lambert International Airport (STL)

St Louis, STL
Zone

Chicago

Elev

618 ft

Destination

Chicago

Chicago Midway International Airport (MDW)

Chicago, MDW
Zone

Chicago

Elev

620 ft

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