Direct flights from Greenville to Houston
8 nonstop flights a week on 1 airline. Zero layovers — one hop from GSP to IAH.
Flight time: about 1h54m nonstop
Which days does it fly?
When does it fly?
Departure times in Greenville local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United ASH6207 | 7:08a | 1h54m | Wed |
| United ASH6207 | 7:15a | 1h54m | Thu |
| United SKW5325 | 7:16a | 1h49m | Tue |
| United SKW5325 | 7:29a | 1h57m | Fri |
| United ASH4059 | 5:38p | 1h54m | Fri |
| United ASH4059 | 5:46p | 1h54m | Mon, Thu |
| United ASH4059 | 6:08p | 2h2m | Wed |
United
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The route
One hop: GSP → IAHDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Greenville (GSP) to Houston (IAH)
Greenville-Spartanburg International Airport (GSP) has 8 nonstop flights a week to Houston (IAH), operated by United. No layovers, no connections — one hop out of GSP and you're there.
This route flies on Monday, Tuesday, Wednesday, Thursday and Friday — check the schedule grid above before you pick a travel day. Route data updated September 2026 from observed departures.
Route data updated September 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Greenville to Houston?
The nonstop flight from Greenville (GSP) to Houston (IAH) takes about 1h54m in the air, based on recently observed nonstop departures.
How long does it take to drive from Greenville to Houston?
Driving from Greenville to Houston takes about 13h 41m, covering roughly 938 miles. The nonstop flight takes about 1h54m.