St Louis to Chicago
STLORD
Fly from St Louis to Chicago starting at USD 111 with UA.
Best fare available on Apr 29, 2026.
Limited seats. Better plans. Book before it's gone.
St Louis to Chicago cheapest flights this week
24 Apr
UA
20:15STL
--:--ORD
Direct$116VIEW DEAL
27 Apr
0P
09:10STL
--:--ORD
Direct$129VIEW DEAL
28 Apr
UA
07:45STL
--:--ORD
Direct$128VIEW DEAL
29 Apr
UA
09:10STL
--:--ORD
Direct$111VIEW DEAL
St Louis to Chicago monthly flight fare trend
Apr
from USD 111
May
No flights
Jun
No flights
Jul
No flights
Aug
No flights
Sep
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
