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IAH to GSP: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Greenville (Greenville Spartanburg International Airport)
836 mi
1,346 km · 727 nm
2h 17m
estimated nonstop flight time
+1h
time difference · heading northeast
See live IAH→GSP fares Phone-only fares on this route — call free
Flight time details
836 miles nonstop takes roughly 2h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- GSP — Greenville Spartanburg International Airport · Greenville, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 mi away
Frequently asked questions
How far is IAH from GSP?
The flight distance from Houston (IAH) to Greenville (GSP) is 836 miles (1,346 km, 727 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to GSP?
A nonstop flight takes about 2h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Houston and Greenville?
Greenville is 1 hour ahead of Houston.
What is the cheapest way to fly from IAH to GSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–GSP that never appear on search engines, with no booking fees.