St Louis to Chicago

STLORD

Fly from St Louis to Chicago starting at USD 63 with American Airlines.Best fare available on Sep 24, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Chicago cheapest flights this week

22 Jul
American Airlines
06:55STL
08:23ORD
DirectUSD 157VIEW DEAL
25 Jul
Frontier Airlines
16:57STL
07:53ORD
1 StopUSD 181VIEW DEAL
26 Jul
Frontier Airlines
18:34STL
07:53ORD
1 StopUSD 232VIEW DEAL
17 Aug
American Airlines
16:54STL
18:33ORD
DirectUSD 92VIEW DEAL
27 Aug
Frontier Airlines
18:17STL
07:53ORD
1 StopUSD 90VIEW DEAL
17 Sept
Frontier Airlines
10:35STL
19:44ORD
1 StopUSD 90VIEW DEAL
24 Sept
United Airlines
08:00STL
09:31ORD
DirectUSD 103VIEW DEAL
24 Sept
American Airlines
05:00STL
06:29ORD
DirectUSD 63VIEW DEAL
24 Sept
Frontier Airlines
10:35STL
19:44ORD
1 StopUSD 77VIEW DEAL
27 Sept
Frontier Airlines
10:35STL
12:02ORD
1 StopUSD 107VIEW DEAL

St Louis to Chicago monthly flight fare trend

Jul
from USD 157
Aug
from USD 90
Sep
from USD 63
Oct
No flights
Nov
No flights
Dec
No flights

Airport Details

Origin

St Louis

St. Louis Lambert International Airport (STL)

St Louis, STL
Zone

Chicago

Elev

618 ft

Destination

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

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