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GSP to ISM: distance & flight time
Greenville (Greenville Spartanburg International Airport) → Kissimmee (Kissimmee Gateway Airport)
459 mi
738 km · 399 nm
1h 28m
estimated nonstop flight time
Same time
time difference · heading south
See live GSP→ISM fares Phone-only fares on this route — call free
Flight time details
459 miles nonstop takes roughly 1h 28m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GSP — Greenville Spartanburg International Airport · Greenville, United States
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 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
Near ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Frequently asked questions
How far is GSP from ISM?
The flight distance from Greenville (GSP) to Kissimmee (ISM) is 459 miles (738 km, 399 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSP to ISM?
A nonstop flight takes about 1h 28m 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 cheapest way to fly from GSP to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSP–ISM that never appear on search engines, with no booking fees.