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SPA to ISN: distance & flight time
Spartangurg (Spartanburg Downtown Memorial Airport) → Williston (Sloulin Field International Airport)
1,439 mi
2,316 km · 1,251 nm
3h 36m
estimated nonstop flight time
—
time difference · heading northwest
See live SPA→ISN fares Phone-only fares on this route — call free
Flight time details
1,439 miles nonstop takes roughly 3h 36m gate to gate, flying northwest. 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
- SPA — Spartanburg Downtown Memorial Airport · Spartangurg, United States
- ISN — Sloulin Field International Airport · Williston, 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 SPA
- GSP · Greenville Spartanburg International Airport15 mi away
- CLT · Charlotte Douglas International Airport61 mi away
- GMU · Greenville Downtown Airport23 mi away
- GDC · Donaldson Field Airport26 mi away
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is SPA from ISN?
The flight distance from Spartangurg (SPA) to Williston (ISN) is 1,439 miles (2,316 km, 1,251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPA to ISN?
A nonstop flight takes about 3h 36m 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 SPA to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPA–ISN that never appear on search engines, with no booking fees.