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ISN to STI: distance & flight time
Williston (Sloulin Field International Airport) → Santiago (Cibao International Airport)
2,709 mi
4,360 km · 2,354 nm
5h 47m
estimated nonstop flight time
+1h
time difference · heading southeast
See live ISN→STI fares Phone-only fares on this route — call free
Flight time details
2,709 miles nonstop takes roughly 5h 47m gate to gate, flying southeast. 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
- ISN — Sloulin Field International Airport · Williston, United States
- STI — Cibao International Airport · Santiago, Dominican Republic
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 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
Near STI
Frequently asked questions
How far is ISN from STI?
The flight distance from Williston (ISN) to Santiago (STI) is 2,709 miles (4,360 km, 2,354 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to STI?
A nonstop flight takes about 5h 47m 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 Williston and Santiago?
Santiago is 1 hour ahead of Williston.
What is the cheapest way to fly from ISN to STI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–STI that never appear on search engines, with no booking fees.