St Louis to Houston

STLIAH

Fly from St Louis to Houston starting at SAR 340 with Frontier Airlines.Best fare available on Sep 7, 2026.Limited seats. Better plans. Book before it's gone.

St Louis to Houston cheapest flights this week

14 Jul
Frontier Airlines
20:08STL
10:34IAH
1 StopSAR 840VIEW DEAL
14 Jul
Frontier Airlines
16:09STL
08:45IAH
1 StopSAR 781VIEW DEAL
15 Jul
Frontier Airlines
16:57STL
22:39IAH
1 StopSAR 818VIEW DEAL
17 Jul
Frontier Airlines
16:57STL
22:39IAH
1 StopSAR 818VIEW DEAL
5 Sept
Southwest Airlines
08:30STL
22:14IAH
1 StopSAR 426VIEW DEAL
6 Sept
Frontier Airlines
18:17STL
07:20IAH
1 StopSAR 359VIEW DEAL
7 Sept
Frontier Airlines
18:17STL
07:20IAH
1 StopSAR 340VIEW DEAL
8 Sept
Frontier Airlines
18:45STL
21:04IAH
1 StopSAR 492VIEW DEAL
17 Sept
Frontier Airlines
10:35STL
22:06IAH
1 StopSAR 359VIEW DEAL

St Louis to Houston monthly flight fare trend

Jul
from SAR 781
Aug
No flights
Sep
from SAR 340
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

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

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