Need help booking?
Unpublished phone-only deals available
GSP to DUC: distance & flight time
Greenville (Greenville Spartanburg International Airport) → Duncan (Halliburton Field)
894 mi
1,439 km · 777 nm
2h 25m
estimated nonstop flight time
-1h
time difference · heading west
See live GSP→DUC fares Phone-only fares on this route — call free
Flight time details
894 miles nonstop takes roughly 2h 25m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GSP — Greenville Spartanburg International Airport · Greenville, United States
- DUC — Halliburton Field · Duncan, 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 DUC
Frequently asked questions
How far is GSP from DUC?
The flight distance from Greenville (GSP) to Duncan (DUC) is 894 miles (1,439 km, 777 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSP to DUC?
A nonstop flight takes about 2h 25m 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 Greenville and Duncan?
Duncan is 1 hour behind Greenville.
What is the cheapest way to fly from GSP to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSP–DUC that never appear on search engines, with no booking fees.