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Direct flights from Houston to Greenville

Airlines Schedules

IAH - GSP route map All flights from IAH to GSP non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to Greenville-Spartanburg International (GSP), South Carolina, USA with United Airlines. 14 weekly departures are currently scheduled on this route. Departure times range from 12:00 to 19:50 depending on the schedule period. The flight distance is 841 miles (1353 km). Flight time ranges from 2 hours and 17 minutes to 2 hours and 29 minutes.

IAH
George Bush Intcntl Houston
USAHouston , USA
GSP
Greenville-Spartanburg
USAGreenville , USA
IAH
George Bush Intcntl Houston
USAHouston , USA
Greenville-Spartanburg
USAGreenville , USA
GSP
Flight time 2h 17min to 2h 29min
Updated Jun 29, 2026
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Airlines with non-stop routes:

United Airlines Star Alliance

Departure times vary between 12:00 and 19:50 • From Terminal B
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
14 flights/week
14 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Houston to Greenville with United Airlines

This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA6139
12:30
12:30
12:30
12:30
12:30
12:30
12:30
UA4033
19:50
19:50
19:50
19:50
19:50
19:50
19:50

The timetable & schedule information was updated at 2026-06-29

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Houston to Greenville scheduled departures

Select a date to see every published non-stop departure between IAH and GSP.

Monday
Mon
Aug 03
2 flights(2)
Tuesday
Tue
Aug 04
2 flights(2)
Wednesday
Wed
Aug 05
2 flights(2)
Thursday
Thu
Aug 06
2 flights(2)
Friday
Fri
Aug 07
2 flights(2)
Saturday
Sat
Aug 08
2 flights(2)
Sunday
Sun
Aug 09
2 flights(2)
Time
Airline
Flight
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
12:30
United Airlines United Airlines
UA6139
19:50
United Airlines United Airlines
UA4033
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IAH-GSP flight route
Route map from Houston, IAH to Greenville, GSP. The distance is 841 miles or 1353 km.
Houston - Greenville direct flight map
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IAH - GSP route facts

  • Distance
    841 miles (1353 km)
  • Flight time
    2 hours and 17 minutes to 2 hours and 29 minutes
  • Airline
    United United
  • Airline alliances
    Star Alliance
  • Cabins
    Economy First
  • Hub airports
    IAH
  • Departure terminals
    Terminal B
  • Aircraft
    Embraer 175 (Enhanced Winglets)

Route FAQ

United Airlines operates non-stop flights from IAH to GSP with 14 weekly departures.

Scheduled flight time from IAH to GSP ranges from 2 hours and 17 minutes to 2 hours and 29 minutes. The route covers 841 miles (1353 km).

14 weekly departures are currently scheduled on this route, with published departure times ranging from 12:00 to 19:50 depending on the schedule period.

Departure terminal: Terminal B.

Economy and First are currently scheduled on non-stop flights for this route.
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