St Louis to Chicago

STLORD

Fly from St Louis to Chicago starting at USD 104 with Frontier Airlines.Best fare available on Oct 11, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Chicago cheapest flights this week

10 Oct
American Airlines
11:31STL
12:59ORD
DirectUSD 148VIEW DEAL
11 Oct
Frontier Airlines
10:35STL
08:15ORD
1 StopUSD 104VIEW DEAL
11 Oct
Frontier Airlines
17:53STL
00:26ORD
1 StopUSD 158VIEW DEAL
11 Oct
American Airlines
07:29STL
09:00ORD
DirectUSD 124VIEW DEAL
13 Oct
American Airlines
13:06STL
14:39ORD
DirectUSD 248VIEW DEAL
14 Oct
Frontier Airlines
18:35STL
09:21ORD
1 StopUSD 158VIEW DEAL
14 Oct
Frontier Airlines
16:19STL
00:24ORD
1 StopUSD 179VIEW DEAL
15 Oct
American Airlines
13:06STL
14:39ORD
DirectUSD 261VIEW DEAL
16 Oct
American Airlines
05:00STL
06:26ORD
DirectUSD 122VIEW DEAL
17 Oct
American Airlines
05:00STL
06:26ORD
DirectUSD 114VIEW DEAL

St Louis to Chicago monthly flight fare trend

Oct
from USD 104
Nov
from USD 56
Dec
No flights
Jan
from USD 208
Feb
No flights
Mar
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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