Direct flights from Houston to Greenville-Spartanburg
13 nonstop flights a week on 1 airline. Zero layovers — one hop from IAH to GSP.
Flight time: about 1h56m nonstop
Flying back? Greenville → Houston · 13 nonstop flights a week
Which days does it fly?
When does it fly?
Departure times in Houston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United ASH4060 | 12:25p | 1h54m | Daily |
| United ASH6124 | 6:35p | 1h58m | Mon, Tue, Wed, Thu, Fri, Sun |
United
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The route
One hop: IAH → GSPDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Houston (IAH) to Greenville-Spartanburg (GSP)
George Bush Intercontinental Airport (IAH) has 13 nonstop flights a week to Greenville-Spartanburg (GSP), operated by United. No layovers, no connections — one hop out of IAH and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Houston to Greenville-Spartanburg?
The nonstop flight from Houston (IAH) to Greenville-Spartanburg (GSP) takes about 1h56m in the air, based on recently observed nonstop departures.
How long does it take to drive from Houston to Greenville-Spartanburg?
Driving from Houston to Greenville-Spartanburg takes about 13h 41m, covering roughly 938 miles. The nonstop flight takes about 1h56m.
Is there a nonstop return flight from Greenville-Spartanburg to Houston?
Yes — 13 nonstop flights a week from Greenville (GSP) back to Houston (IAH) on United, based on recently observed departures.