Airlines with flights from Houston to Greenville
There are three airlines with scheduled flights between IAH and GSP. United is the only airline with non-stop flights from Houston Airport to Greenville-Spartanburg International and the flight time is 2 hours and 20 minutes.
There are three airlines with scheduled flights between IAH and GSP. United is the only airline with non-stop flights from Houston Airport to Greenville-Spartanburg International and the flight time is 2 hours and 20 minutes. Choose airline
Direct
Non-stop
2h 20min
Via Atlanta
3h 38min
Via Charlotte
3h 59min
Via Dallas
4h 26min
Schedules
Non-stop with United Airlines
-
Total flight time: 2 hours and 20 minutes
-
Houston is a United Airlines hub.
-
14 flights per week
-
Embraer 175 (Enhanced Winglets)
-
First class available
IAH
Direct
GSP
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
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 2026-04-21
Via Atlanta with Delta Air Lines
-
Total flight time: 3h 38m - 6h 05m.
-
Sky Team Alliance
-
187 flights per week
IAH
Via ATL
GSP
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
DL1069
DL1725
DL1725
----
----
----
05:40
----
----
----
DL1069
DL2158
DL2158
05:40
05:40
05:40
05:40
05:40
----
05:40
DL1315
DL1725
DL1725
07:00
07:00
07:00
07:00
07:00
07:00
07:00
DL644
DL1273
DL1273
08:05
08:05
08:05
08:05
08:05
----
08:05
DL2709
DL1273
DL1273
----
----
----
----
----
08:05
----
DL1585
DL3095
DL3095
09:41
09:41
09:41
09:41
09:41
09:47
09:41
DL1682
DL1021
DL1021
12:05
12:05
12:05
12:05
12:05
12:05
12:05
DL1572
DL2319
DL2319
14:38
14:38
14:38
14:38
14:38
14:38
14:38
DL2890
DL2281
DL2281
----
16:51
16:51
----
17:20
----
----
DL2890
DL3136
DL3136
16:51
----
----
16:51
16:51
----
16:51
DL1223
DL2281
DL2281
18:37
18:37
18:37
18:37
18:37
----
18:37
The timetable & schedule information was updated at 2026-04-21
Via Charlotte with American Airlines
-
Total flight time: 3h 59m - 6h 41m.
-
One World Alliance
-
131 flights per week
IAH
Via CLT
GSP
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
AA3162
AA5631
AA5631
----
----
----
06:06
----
06:03
06:00
AA2011
AA5802
AA5802
06:00
06:00
----
----
----
----
----
AA3162
AA6002
AA6002
----
----
06:06
----
06:06
----
----
AA2011
AA6003
AA6003
----
----
09:04
08:19
09:04
08:19
08:19
AA3162
AA5805
AA5805
08:48
08:48
----
----
----
----
----
AA2445
AA5890
AA5890
----
----
10:14
10:14
10:14
AA1930
AA6131
AA6131
10:17
10:17
----
----
----
----
----
AA2445
AA5440
AA5440
----
----
10:59
----
10:59
----
----
AA1478
AA5524
AA5524
----
----
----
15:05
----
15:05
15:05
AA1919
AA5524
AA5524
15:06
15:06
----
----
----
----
----
AA1478
AA5043
AA5043
----
----
16:14
----
16:14
----
----
AA1813
AA5503
AA5503
----
----
----
17:24
----
17:24
17:24
AA1920
AA5504
AA5504
17:29
----
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
Via Dallas with American Airlines
-
Total flight time: 4h 26m - 7h 05m.
-
One World Alliance
-
106 flights per week
IAH
Via DFW
GSP
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
AA700
AA3986
AA3986
06:02
06:02
06:00
06:00
06:00
06:00
06:00
AA3026
AA3986
AA3986
----
----
07:00
07:00
07:00
07:00
07:00
AA3002
AA3986
AA3986
07:00
07:00
----
----
----
----
----
AA5017
AA1805
AA1805
----
----
09:03
09:03
09:03
09:03
09:03
AA3193
AA1897
AA1897
09:26
09:26
----
----
----
----
----
AA1407
AA1805
AA1805
----
----
10:26
10:26
10:26
10:26
10:26
AA1916
AA1897
AA1897
10:39
10:39
----
----
----
----
----
AA3477
AA3483
AA3483
----
----
----
11:28
----
----
11:28
AA1393
AA2992
AA2992
----
----
16:14
16:14
16:14
16:14
16:14
AA3583
AA2992
AA2992
16:18
16:18
----
----
----
----
----
The timetable & schedule information was updated at 2026-04-21
