St Louis to Chicago
STLORD
Fly from St Louis to Chicago starting at USD 103 with United 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
St Louis to Chicago monthly flight fare trend
Jul
from USD 127
Aug
No flights
Sep
from USD 103
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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