Chicago to St Louis

ORDSTL

Fly from Chicago to St Louis starting at SAR 218 with American Airlines.Best fare available on Oct 3, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to St Louis cheapest flights this week

30 Sept
Frontier Airlines
06:20ORD
13:10STL
1 StopSAR 229VIEW DEAL
1 Oct
United Airlines
21:30ORD
22:59STL
DirectSAR 744VIEW DEAL
2 Oct
American Airlines
08:55ORD
10:18STL
DirectSAR 322VIEW DEAL
2 Oct
Frontier Airlines
06:30ORD
19:17STL
1 StopSAR 725VIEW DEAL
3 Oct
American Airlines
08:50ORD
10:13STL
DirectSAR 218VIEW DEAL
3 Oct
Frontier Airlines
06:30ORD
19:17STL
1 StopSAR 710VIEW DEAL
4 Oct
Frontier Airlines
19:28ORD
13:10STL
1 StopSAR 740VIEW DEAL
6 Oct
American Airlines
15:28ORD
16:53STL
DirectSAR 548VIEW DEAL
7 Oct
Frontier Airlines
06:20ORD
13:10STL
1 StopSAR 685VIEW DEAL
8 Oct
United Airlines
19:50ORD
21:21STL
DirectSAR 914VIEW DEAL

Chicago to St Louis monthly flight fare trend

Sep
from SAR 229
Oct
from SAR 207
Nov
from SAR 318
Dec
from SAR 263
Jan
from SAR 448
Feb
from SAR 448

Airport Details

Origin

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Destination

St Louis

St. Louis Lambert International Airport (STL)

St Louis, STL
Zone

Chicago

Elev

618 ft

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