Houston to St Louis
IAHSTL
Fly from Houston to St Louis starting at SAR 349 with NK.
Best fare available on Apr 30, 2026.
Limited seats. Better plans. Book before it's gone.
Houston to St Louis cheapest flights this week
26 Apr
F9
17:12IAH
04:19STL
1 StopSAR 409VIEW DEAL
30 Apr
NK
05:45IAH
11:50STL
1 StopSAR 349VIEW DEAL
7 Jul
F9
11:12IAH
13:52STL
1 StopSAR 619VIEW DEAL
Houston to St Louis monthly flight fare trend
Apr
from SAR 349
May
No flights
Jun
No flights
Jul
from SAR 619
Aug
No flights
Sep
No flights
Airport Details
Origin
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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