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 33 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 33 minutes. Choose airline
Direct
Non-stop
2h 33min
Via Atlanta
3h 47min
Via Charlotte
4h 0min
Via Dallas
4h 37min
Schedules
Non-stop with United Airlines
-
Total flight time: 2 hours and 33 minutes
-
Houston is a United Airlines hub.
-
14 flights per week
-
Embraer 175 (Enhanced Winglets)
-
First class available
GSP
Direct
IAH
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
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
15:21
15:21
15:21
15:21
15:21
15:40
15:21
DL3095
DL1284
DL1284
17:16
17:16
17:16
17:16
17:16
17:16
17:16
DL1021
DL1601
DL1601
19:47
----
----
19:47
19:47
----
19:47
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA5381
AA1930
AA1930
05:15
05:15
05:15
05:15
05:15
05:15
05:15
AA5798
AA1919
AA1919
09:04
09:04
09:04
09:04
09:04
09:04
09:04
AA6099
AA1920
AA1920
11:15
11:15
11:15
11:15
11:15
11:15
11:15
AA5802
AA1920
AA1920
12:37
12:37
12:37
12:37
12:37
----
12:37
AA5805
AA2935
AA2935
14:35
----
----
14:35
14:35
14:35
14:35
AA6131
AA2935
AA2935
16:06
----
----
16:06
16:06
----
16:06
AA5272
AA1840
AA1840
18:08
18:08
18:08
18:08
18:08
18:08
18:08
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
W25, Jun 15 - Jun 21
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA1254
AA3591
AA3591
06:29
06:29
06:29
06:29
06:29
06:29
06:29
AA3986
AA1929
AA1929
13:37
13:37
----
13:37
13:37
----
13:37
AA3986
AA3555
AA3555
----
----
13:37
----
----
----
----
AA3986
AA4923
AA4923
----
----
----
----
----
13:37
----
AA1897
AA2209
AA2209
17:25
17:25
17:25
17:25
17:25
17:25
17:25
AA3557
AA1914
AA1914
19:54
----
----
19:54
19:54
19:54
19:54
The timetable & schedule information was updated at 2026-04-21
