Houston to St Louis flight distance & time (IAH-STL)
How far is Houston from St Louis by plane? The great circle distance from George Bush Intercontinental Houston Airport (IAH) to Lambert St Louis International Airport (STL) is 1,074 km / 580 nm, about 1h 34m flight time, with an initial heading of 24° (NNE).
| From | George Bush Intercontinental Houston Airport (IAH), Houston, US |
|---|---|
| To | Lambert St Louis International Airport (STL), St Louis, US |
| Distance | 1,074 km · 580 nm · 667 mi |
| Initial heading | 24° (NNE) |
Airlines on this route
- Continental Airlines (CO)
- Continental Express (CO)
- United Airlines (UA)
Aircraft with enough range to fly IAH to STL nonstop
Open IAH to STL in the calculator · Return route STL to IAH
Frequently asked questions
- How far is Houston from St Louis?
- The great circle distance between Houston and St Louis is 1,074 km (580 nm / 667 mi).
- How long is the flight from Houston to St Louis?
- A direct flight from IAH to STL 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 Houston to St Louis?
- Yes - 3 airlines currently operate this route, see the list above.