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United States
Greenville-Spartanburg International Airport
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United States
George Bush Intercontinental Airport
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Scan through all non-stop flights from Greenville / Spartanburg to Houston. The full flight schedule below gives an overview of all non-stop flights from GSP to IAH, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Houston is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Houston any time of the year, but the best months to explore are from to and from to .
Currently, there is only one airline operating non-stop flights from Greenville / Spartanburg GSP to Houston IAH, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their GSP IAH flight schedule.
Flights from GSP to IAH are operated 14 times a week, with an average of 2 flights per day. Departure times vary between 07:00 - 18:00. The earliest flight departs at 07:00, the last flight departs at 18:00. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Greenville / Spartanburg to Houston takes 2 hours and 33 minutes. The flight distance between Greenville / Spartanburg and Houston is 835 miles (or 1,344 km).
There are 2 airports in Houston: George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).
There are 14 flights per week flying from Greenville / Spartanburg to Houston (as of April 2026).
2 hours and 33 minutes is the average flight time from Greenville / Spartanburg to Houston.
The distance from Greenville / Spartanburg to Houston is 835 miles (1,344 kilometers).
United Airlines is the only airline flying nonstop from Greenville / Spartanburg to Houston.
Star Alliance is currently the only alliance flying nonstop from Greenville / Spartanburg to Houston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Greenville / Spartanburg to Houston:
The earliest flight departs at 07:00 from Greenville / Spartanburg and arrives at 08:44 at Houston.
The latest flight departs at 18:00 from Greenville / Spartanburg and arrives at 19:33 at Houston.
835 miles (1,344 km) · 2h 33m
07:00
08:44
United Airlines
Star Alliance
UA 4030
United Airlines
Embraer 175
Y
W
J
F
16:41
18:25
United Airlines
Star Alliance
UA 4079
United Airlines
Embraer 175
Y
W
J
F
17:00
18:44
United Airlines
Star Alliance
UA 4079
United Airlines
Embraer 175
Y
W
J
F
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