Need help booking?
Unpublished phone-only deals available
ISN to PHD: distance & flight time
Williston (Sloulin Field International Airport) → New Philadelpha (Harry Clever Field)
1,215 mi
1,955 km · 1,056 nm
3h 6m
estimated nonstop flight time
+1h
time difference · heading east
See live ISN→PHD fares Phone-only fares on this route — call free
Flight time details
1,215 miles nonstop takes roughly 3h 6m gate to gate, flying east. 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
- PHD — Harry Clever Field · New Philadelpha, 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 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 PHD
- CAK · Akron Canton Regional Airport31 mi away
- AKC · Akron Fulton International Airport39 mi away
- ZZV · Zanesville Municipal Airport44 mi away
- HLG · Wheeling Ohio County Airport46 mi away
Frequently asked questions
How far is ISN from PHD?
The flight distance from Williston (ISN) to New Philadelpha (PHD) is 1,215 miles (1,955 km, 1,056 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to PHD?
A nonstop flight takes about 3h 6m 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 New Philadelpha?
New Philadelpha is 1 hour ahead of Williston.
What is the cheapest way to fly from ISN to PHD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–PHD that never appear on search engines, with no booking fees.