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SME to ISN: distance & flight time
Somerset (Lake Cumberland Regional Airport) → Williston (Sloulin Field International Airport)
1,230 mi
1,979 km · 1,069 nm
3h 8m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SME→ISN fares Phone-only fares on this route — call free
Flight time details
1,230 miles nonstop takes roughly 3h 8m gate to gate, flying northwest. 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
- SME — Lake Cumberland Regional Airport · Somerset, 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 SME
- LOZ · London-Corbin Airport/Magee Field29 mi away
- LEX · Blue Grass Airport68 mi away
- GLW · Glasgow Municipal Airport74 mi away
- FFT · Capital City Airport80 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 SME from ISN?
The flight distance from Somerset (SME) to Williston (ISN) is 1,230 miles (1,979 km, 1,069 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SME to ISN?
A nonstop flight takes about 3h 8m 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 Somerset and Williston?
Williston is 1 hour behind Somerset.
What is the cheapest way to fly from SME to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SME–ISN that never appear on search engines, with no booking fees.