Chicago to St Louis

ORDSTL

Fly from Chicago to St Louis starting at USD 59 with American Airlines.Best fare available on Sep 9, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to St Louis cheapest flights this week

9 Sept
American Airlines
23:05ORD
00:27STL
DirectUSD 59VIEW DEAL
9 Sept
Frontier Airlines
06:20ORD
13:10STL
1 StopUSD 145VIEW DEAL
9 Sept
United Airlines
21:30ORD
22:59STL
DirectUSD 156VIEW DEAL
10 Sept
American Airlines
08:55ORD
10:18STL
DirectUSD 161VIEW DEAL
11 Sept
American Airlines
23:05ORD
00:27STL
DirectUSD 153VIEW DEAL
11 Sept
United Airlines
10:24ORD
11:57STL
DirectUSD 67VIEW DEAL
11 Sept
American Airlines
19:18ORD
20:44STL
DirectUSD 82VIEW DEAL
11 Sept
United Airlines
20:05ORD
21:36STL
DirectUSD 254VIEW DEAL
14 Sept
Frontier Airlines
06:30ORD
19:17STL
1 StopUSD 151VIEW DEAL
15 Sept
American Airlines
23:05ORD
00:27STL
DirectUSD 161VIEW DEAL

Chicago to St Louis monthly flight fare trend

Sep
from USD 59
Oct
from USD 58
Nov
from USD 111
Dec
from USD 71
Jan
No flights
Feb
from USD 182

Airport Details

Origin

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Destination

St Louis

St. Louis Lambert International Airport (STL)

St Louis, STL
Zone

Chicago

Elev

618 ft

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