Flights operate between Houston (IAH) and Saint Louis (STL).
1 airline operates this route with 3-5 flights daily flights.
Average flight time is 1h 57m - 2h 12m.
Route distance is 671 miles (1080 km).
Route Distance
671 miles (1080 km)
Average Duration
1h 57m - 2h 12m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
3-5 flights
Weekly Flights
27
Typical Departure Time Ranges
Earliest Departure
08:35
Latest Departure
20:20
Flight Schedule & Filters
Flight Schedule Calendar
Loading calendar...
Direct (non-stop) flights from Houston (IAH) to Saint Louis (STL)
Direct (non-stop) flights operate between Houston (IAH) and Saint Louis (STL). This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 1h 57m - 2h 12m (average flight time)• Distance: 671 miles (1080 km) (air miles between airports)• Daily Flights: 3-5 flights (scheduled departures per day)
Houston (IAH)
US
Saint Louis (STL)
US
FLIGHT TIME
1h 57m - 2h 12m
FLIGHT DISTANCE
671 miles (1080 km)
2h 2m - 2h 7m
08:35
20:20
671 miles (1080 km)
September
1 (Show)
27
Flight Schedule
Loading calendar...
Airlines with direct flights from Houston (IAH) to Saint Louis (STL)
Weather at Saint Louis (STL)
Loading weather charts...
Frequently Asked Questions
Do flights operate between IAH and STL?
Yes. 3 direct flights operate between Houston (IAH) and St Louis (STL).
Which airlines operate this route?
1 airline operates this route: United Airlines.
How many flights operate daily?
3-5 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 1h 57m - 2h 12m.
Is this route operated year-round?
This route operates with 3-5 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.