St Louis to Chicago

STLORD

Fly from St Louis to Chicago starting at USD 64 with American Airlines.Best fare available on Aug 20, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Chicago cheapest flights this week

6 Aug
United Airlines
10:20STL
11:52ORD
DirectUSD 114VIEW DEAL
9 Aug
American Airlines
13:25STL
15:01ORD
DirectUSD 93VIEW DEAL
17 Aug
American Airlines
16:54STL
18:33ORD
DirectUSD 92VIEW DEAL
20 Aug
American Airlines
09:32STL
11:00ORD
DirectUSD 64VIEW DEAL
27 Aug
Frontier Airlines
18:17STL
07:53ORD
1 StopUSD 90VIEW DEAL
31 Aug
Frontier Airlines
19:58STL
13:36ORD
1 StopUSD 81VIEW DEAL
1 Sept
American Airlines
06:00STL
07:34ORD
DirectUSD 85VIEW DEAL
13 Sept
Frontier Airlines
13:02STL
11:21ORD
1 StopUSD 118VIEW DEAL
14 Sept
Frontier Airlines
20:10STL
00:23ORD
1 StopUSD 78VIEW DEAL
17 Sept
Frontier Airlines
10:35STL
19:44ORD
1 StopUSD 90VIEW DEAL

St Louis to Chicago monthly flight fare trend

Aug
from USD 64
Sep
from USD 77
Oct
No flights
Nov
No flights
Dec
No flights
Jan
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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