Houston to St Louis
IAHSTL
Fly from Houston to St Louis starting at USD 93 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
--:--STL
1 Stop$109VIEW DEAL
30 Apr
NK
05:45IAH
--:--STL
1 Stop$93VIEW DEAL
7 Jul
F9
11:12IAH
--:--STL
1 Stop$165VIEW DEAL
Houston to St Louis monthly flight fare trend
Apr
from USD 93
May
No flights
Jun
No flights
Jul
from USD 165
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
Flights from Houston
Flights from Houston to AtlantaFlights from Houston to AustinFlights from Houston to BostonFlights from Houston to CharlotteFlights from Houston to DenverFlights from Houston to DallasFlights from Houston to DetroitFlights from Houston to NewarkFlights from Houston to Fort LauderdaleFlights from Houston to Honolulu
