St Louis to Chicago

STLORD

Fly from St Louis to Chicago starting at USD 64 with American Airlines.Best fare available on Sep 30, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Chicago cheapest flights this week

30 Sept
Frontier Airlines
20:10STL
00:23ORD
1 StopUSD 83VIEW DEAL
30 Sept
American Airlines
11:01STL
12:29ORD
DirectUSD 64VIEW DEAL
1 Oct
American Airlines
11:01STL
12:29ORD
DirectUSD 64VIEW DEAL
1 Oct
Frontier Airlines
10:20STL
19:35ORD
1 StopUSD 193VIEW DEAL
4 Oct
Frontier Airlines
10:20STL
19:35ORD
1 StopUSD 140VIEW DEAL
4 Oct
American Airlines
07:27STL
09:05ORD
DirectUSD 185VIEW DEAL
4 Oct
American Airlines
11:01STL
12:29ORD
DirectUSD 207VIEW DEAL
4 Oct
United Airlines
06:00STL
07:36ORD
DirectUSD 208VIEW DEAL
5 Oct
American Airlines
17:27STL
19:05ORD
DirectUSD 64VIEW DEAL
6 Oct
American Airlines
17:27STL
19:05ORD
DirectUSD 83VIEW DEAL

St Louis to Chicago monthly flight fare trend

Sep
from USD 64
Oct
from USD 64
Nov
from USD 56
Dec
No flights
Jan
from USD 208
Feb
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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