St Louis to Houston flight distance & time (STL-IAH)
How far is St Louis from Houston by plane? The great circle distance from Lambert St Louis International Airport (STL) to George Bush Intercontinental Houston Airport (IAH) is 1,074 km / 580 nm, about 1h 34m flight time, with an initial heading of 207° (SSW).
| From | Lambert St Louis International Airport (STL), St Louis, US |
|---|---|
| To | George Bush Intercontinental Houston Airport (IAH), Houston, US |
| Distance | 1,074 km · 580 nm · 667 mi |
| Initial heading | 207° (SSW) |
Airlines on this route
- Continental Airlines (CO)
- Continental Express (CO)
- United Airlines (UA)
Aircraft with enough range to fly STL to IAH nonstop
Open STL to IAH in the calculator · Return route IAH to STL
Frequently asked questions
- How far is St Louis from Houston?
- The great circle distance between St Louis and Houston is 1,074 km (580 nm / 667 mi).
- How long is the flight from St Louis to Houston?
- A direct flight from STL to IAH takes about 1h 34m, based on a typical jet cruise speed. Actual time varies by aircraft type and wind - see the aircraft list above for type-specific estimates.
- Is there a nonstop flight from St Louis to Houston?
- Yes - 3 airlines currently operate this route, see the list above.