Houston→GreerNonstop Flight TimeIAH–GSP

Houston (George Bush Intercontinental Airport) to Greer (Greenville Spartanburg International Airport).

Direct flights from IAH to GSP have an estimated flight time of about 2h 19m, based on the 836-mile great-circle distance. Our current captured departure sample includes 2/day across 1 captured airline, with United Airlines appearing most often in that sample. Captured departure times run from 12:30 to 18:30 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for IAH to GSP, last seen June 15, 2026. Frequency uses 14 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.