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SLP to ISN: distance & flight time
San Luis Potosi (Ponciano Arriaga International Airport) → Williston (Sloulin Field International Airport)
1,797 mi
2,893 km · 1,562 nm
3h 59m
estimated nonstop flight time
+1h
time difference · heading north
See live SLP→ISN fares Phone-only fares on this route — call free
Flight time details
1,797 miles nonstop takes roughly 3h 59m gate to gate, flying north. 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
- SLP — Ponciano Arriaga International Airport · San Luis Potosi, Mexico
- 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 SLP
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 SLP from ISN?
The flight distance from San Luis Potosi (SLP) to Williston (ISN) is 1,797 miles (2,893 km, 1,562 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLP to ISN?
A nonstop flight takes about 3h 59m 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 San Luis Potosi and Williston?
Williston is 1 hour ahead of San Luis Potosi.
What is the cheapest way to fly from SLP to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLP–ISN that never appear on search engines, with no booking fees.