United Airlines operates nonstop flights from Greenville/Greer/Spartanburg (GSP) to Houston (IAH). The nonstop flight takes around ~1h 41m, covering 836 miles (1,346 km). Updated 28 June 2026.
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Yes, United Airlines operates nonstop flights from Greenville/Greer/Spartanburg (GSP) to Houston (IAH).
United Airlines operates nonstop flights from Greenville/Greer/Spartanburg to Houston.
The nonstop flight from Greenville/Greer/Spartanburg to Houston takes ~1h 41m (approximately 1346 km).