Houston to Greenville/Greer/Spartanburg (IAH–GSP) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAH–GSP is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 836 miles in approximately 2h 23m. Beyond nonstop, 53 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: NZ | 28 | E7W | 2h24-2h29 | Star Alliance | NZ |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Greenville/Greer/Spartanburg from Houston
| Metric | IAH→GSP | HOU→GSP | AUS→GSP |
|---|---|---|---|
| Distance from IAH | – | 24 mi | 140 mi |
| Nonstop airlines | 1 | 4 | 1 |
| Weekly flights | 42 | 1 | – |
| Flight time | 2h 23m | 1h 58m | 1h 4m |
| Departure OTP | 64% | – | – |
Travel Essentials
IAH: CDT · GSP: EDT
When it's 6:00 PM in Houston, it's 7:00 PM in Greenville/Greer/Spartanburg.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–GSP Quick Facts
Frequently Asked Questions
Flights from IAH to GSP
George Bush Intercontinental Airport (IAH) and Greenville-Spartanburg International Airport (GSP) are connected by nonstop service from United Airlines. With 42 weekly departures, this is a heavily served route.
IAH to GSP Flight Duration and Schedule
Nonstop flight time from IAH to GSP ranges from 2 hours 23 minutes to 2 hours 29 minutes. The route covers a distance of 836 miles (1,346 km). There are approximately 42 weekly flights outbound and 49 return, totaling 91 flights per week in both directions.
Connecting Options and Alternatives
53 one-stop connections are available, with the fastest taking approximately 2 hours via DAL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU) and Austin (AUS).