HoustontoSt. LouisFlight Time
IAH–STL · Nonstop
Houston (George Bush Intercontinental Airport) to St. Louis (St. Louis Lambert International Airport).
The estimated flight time from Houston (IAH) to St. Louis (STL) is about 1h 58m, covering 668 miles. United Airlines flies the route nonstop with 4-5/day departures, from 08:00 to 20:30 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~1h 58m Estimated from great-circle distance — no tracked flights yet. | 668 mi | Nonstop | 4-5/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Nonstop airlines from Houston to St. Louis
United Airlines operates 4-5/day flights from IAH to STL. Departures leave from Terminal B at IAH.
- First departure
- 08:00
- Last departure
- 20:30
- Cadence
- ~every 2 hours
- Scheduled departure times
- 6
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 4-5/day | Embraer E-Jet · Terminal B | 08:0012:00 |
Aircraft on this route
Flying the other way?
STL to IAH flights — 4-5/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for IAH, refreshed on a rolling basis. Frequency uses 30 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
Route FAQ
How long is the flight from Houston to St. Louis?
The estimated flight time from Houston (IAH) to St. Louis (STL) is about 1h 58m, based on the 668-mile flying distance.
How far is Houston from St. Louis?
Houston (IAH) to St. Louis (STL) is about 668 miles by air.
Are there nonstop flights from Houston to St. Louis?
Yes. United Airlines flies nonstop from Houston (IAH) to St. Louis (STL), with 4-5/day departures.
Which airlines fly from Houston to St. Louis?
United Airlines flies nonstop from Houston (IAH) to St. Louis (STL).
What aircraft fly from Houston to St. Louis?
The IAH–STL route is flown with Embraer E-Jet.
Route hubs
Nearby airport options
Near Houston
- HOU - HoustonWilliam P Hobby Airport · 24 mi from IAHFlights from HOU