IAHSTL
Houston (George Bush Intercontinental Airport) to St. Louis (St. Louis Lambert International Airport).
Flight time from IAH to STL is estimated at about 1h 58m, based on the 668-mile great-circle distance. Our current captured departure sample includes 4-5/day across 1 captured airline, with United Airlines appearing most often in that sample. Captured departure times run from 08:00 to 20:30 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~1h 58m Estimated from great-circle distance — no tracked flights yet. | 668 mi | 4-5/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for IAH to STL
Our current provider sample includes 4-5/day from IAH to STL across 1 captured airline. Captured departure terminal data is available for B.
- First departure
- 08:00
- Last departure
- 20:30
- Cadence
- ~every 2 hours
- Captured departures/day
- 6
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 4-5/day | Embraer E-Jet · Terminal B | 08:0012:0015:31 |
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 the rolling scheduled-departures window for IAH to STL. Frequency uses 30 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from IAH to STL?
The IAH to STL flight time is estimated at about 1h 58m from great-circle distance until enough tracked flights are available.
How far is IAH from STL?
IAH to STL is about 668 miles by air.
Which airlines fly from IAH to STL?
Our current provider sample for IAH to STL includes United Airlines. Confirm live timetables before booking.
What aircraft fly from IAH to STL?
Aircraft captured in our current provider sample for IAH to STL include Embraer E-Jet.