Airlines with flights from Greenville to Houston
There are three airlines with scheduled flights between GSP and IAH. United is the only airline with non-stop flights from Greenville-Spartanburg International to Houston Airport and the flight time is 2 hours and 44 minutes.
There are three airlines with scheduled flights between GSP and IAH. United is the only airline with non-stop flights from Greenville-Spartanburg International to Houston Airport and the flight time is 2 hours and 44 minutes. Choose airline
Direct
Non-stop
2h 44min
Via Atlanta
3h 47min
Via Charlotte
4h 0min
Via Dallas
4h 37min
Schedules
Non-stop with United Airlines
-
Total flight time: 2 hours and 44 minutes
-
Houston is a United Airlines hub.
-
14 flights per week
-
Embraer 175 (Enhanced Winglets)
-
First class available
GSP
Direct
IAH
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
UA4049
07:00
07:00
07:00
07:00
07:00
07:00
07:00
UA4038
17:10
17:10
17:10
17:10
17:10
17:10
17:10
The timetable & schedule information was updated at 2026-04-21
Via Atlanta with Delta Air Lines
-
Total flight time: 3h 47m - 6h 18m.
-
Sky Team Alliance
-
208 flights per week
GSP
Via ATL
IAH
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
DL3028
DL1585
DL1585
05:44
05:44
05:44
05:44
05:44
05:44
05:44
DL1146
DL1682
DL1682
06:45
06:45
06:45
06:45
06:45
06:49
06:45
DL1619
DL1572
DL1572
08:52
08:52
08:52
08:52
08:52
09:00
08:52
DL3089
DL1572
DL1572
10:03
10:03
10:03
10:03
10:03
10:03
10:03
DL2158
DL2890
DL2890
11:38
11:38
11:38
11:38
11:38
----
11:38
DL1725
DL1223
DL1223
13:09
13:09
13:09
13:09
13:09
----
13:09
DL1725
DL2890
DL2890
----
----
----
----
----
13:09
----
DL1273
DL1131
DL1131
15:06
15:06
15:06
15:06
15:06
15:06
15:06
DL3095
DL1284
DL1284
17:16
17:16
17:16
17:16
17:16
17:16
17:16
DL1021
DL1601
DL1601
19:44
----
----
19:44
19:44
----
19:44
The timetable & schedule information was updated at 2026-04-21
Via Charlotte with American Airlines
-
Total flight time: 4h 00m - 7h 08m.
-
One World Alliance
-
141 flights per week
GSP
Via CLT
IAH
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA5381
AA1930
AA1930
05:15
05:15
----
----
----
----
----
AA5381
AA2445
AA2445
----
----
----
05:18
----
05:18
05:18
AA5654
AA2445
AA2445
----
----
06:00
----
06:00
----
----
AA5798
AA1919
AA1919
09:00
09:00
----
----
----
----
----
AA5300
AA398
AA398
----
----
----
09:09
----
09:09
09:27
AA5381
AA1661
AA1661
----
----
10:12
----
10:12
----
----
AA6002
AA1661
AA1661
----
----
11:52
11:15
11:52
11:15
11:15
AA6099
AA1920
AA1920
11:15
11:15
----
----
----
----
----
AA5802
AA1920
AA1920
12:39
12:39
----
----
----
----
----
AA5631
AA1661
AA1661
----
----
----
12:39
----
12:44
12:39
AA5496
AA2935
AA2935
----
----
13:37
----
13:37
----
----
AA5805
AA2935
AA2935
14:35
----
----
----
----
----
----
AA6003
AA2935
AA2935
----
----
15:12
14:37
15:12
14:37
14:37
AA6131
AA2935
AA2935
16:07
----
----
----
----
----
----
AA5890
AA2935
AA2935
----
----
----
16:20
----
16:20
16:20
AA5504
AA1840
AA1840
----
----
17:19
18:08
17:19
18:08
18:08
AA5203
AA1840
AA1840
18:19
18:19
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
Via Dallas with American Airlines
-
Total flight time: 4h 37m - 6h 53m.
-
One World Alliance
-
84 flights per week
GSP
Via DFW
IAH
W32, Aug 03 - Aug 09
Flight
Mon
Aug 3
Tue
Aug 4
Wed
Aug 5
Thu
Aug 6
Fri
Aug 7
Sat
Aug 8
Sun
Aug 9
AA1254
AA1916
AA1916
06:09
06:09
----
----
----
----
----
AA1254
AA3829
AA3829
----
----
06:47
06:47
06:47
06:47
06:47
AA3986
AA1929
AA1929
13:40
13:40
----
----
----
----
----
AA3986
AA5215
AA5215
----
----
----
----
----
14:13
----
AA3986
AA2438
AA2438
----
----
14:13
14:13
14:13
----
14:13
AA1805
AA2209
AA2209
----
----
17:29
17:29
17:29
17:29
17:29
AA1897
AA2209
AA2209
17:31
17:31
----
----
----
----
----
AA3557
AA1914
AA1914
19:55
----
----
----
----
----
----
AA3483
AA3023
AA3023
----
----
----
20:04
----
----
20:04
The timetable & schedule information was updated at 2026-04-21
