Need help booking?
Unpublished phone-only deals available
FRN to ISN: distance & flight time
Fort Richardson (Bryant Army Heliport) → Williston (Sloulin Field International Airport)
1,992 mi
3,205 km · 1,731 nm
4h 22m
estimated nonstop flight time
+3h
time difference · heading east
See live FRN→ISN fares Phone-only fares on this route — call free
Flight time details
1,992 miles nonstop takes roughly 4h 22m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- FRN — Bryant Army Heliport · Fort Richardson, 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 FRN
- EDF · Elmendorf Air Force Base5 mi away
- MRI · Merrill Field7 mi away
- ANC · Ted Stevens Anchorage International Airport13 mi away
- WWA · Wasilla Airport21 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 FRN from ISN?
The flight distance from Fort Richardson (FRN) to Williston (ISN) is 1,992 miles (3,205 km, 1,731 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FRN to ISN?
A nonstop flight takes about 4h 22m 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 Fort Richardson and Williston?
Williston is 3 hours ahead of Fort Richardson.
What is the cheapest way to fly from FRN to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FRN–ISN that never appear on search engines, with no booking fees.