Chicago to St Louis
ORDSTL
Fly from Chicago to St Louis starting at SAR 416 with UA.
Best fare available on Apr 29, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to St Louis cheapest flights this week
23 Apr
0P
20:20ORD
02:52STL
DirectSAR 476VIEW DEAL
25 Apr
UA
09:15ORD
15:45STL
DirectSAR 435VIEW DEAL
27 Apr
G7
20:20ORD
02:52STL
DirectSAR 484VIEW DEAL
29 Apr
UA
07:00ORD
13:25STL
DirectSAR 416VIEW DEAL
6 May
F9
21:37ORD
00:23STL
1 StopSAR 604VIEW DEAL
22 Aug
UA
18:00ORD
00:31STL
DirectSAR 630VIEW DEAL
23 Aug
UA
14:08ORD
20:38STL
DirectSAR 630VIEW DEAL
1 Feb
AA
19:45ORD
03:10STL
DirectSAR 683VIEW DEAL
Chicago to St Louis monthly flight fare trend
Apr
from SAR 416
May
from SAR 604
Jun
No flights
Jul
No flights
Aug
from SAR 630
Sep
No flights
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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