Direct flights from Greenville to Houston
14 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 |
|---|---|---|---|
| Mesa ASH4049 | 7:01a | 1h57m | Mon, Fri |
| Mesa ASH4049 | 7:08a | 1h54m | Tue, Sat, Sun |
| Mesa ASH4049 | 7:22a | 1h54m | Wed |
| Mesa ASH4049 | 7:26a | 1h54m | Thu |
| Mesa ASH4038 | 5:16p | 1h54m | Tue, Wed, Sat, Sun |
| Mesa ASH4038 | 5:26p | 1h54m | Thu–Fri |
| Mesa ASH4038 | 7:11p | 1h54m | Mon |
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 14 nonstop flights a week to Houston (IAH), operated by Mesa. No layovers, no connections — one hop out of GSP and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 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.