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ISN to PRG: distance & flight time
Williston (Sloulin Field International Airport) → Prague (Václav Havel Airport Prague)
4,711 mi
7,582 km · 4,094 nm
9h 42m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ISN→PRG fares Phone-only fares on this route — call free
Flight time details
4,711 miles nonstop takes roughly 9h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- PRG — Václav Havel Airport Prague · Prague, Czech 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 PRG
- VOD · Vodochody Airport10 mi away
- KLV · Karlovy Vary International Airport60 mi away
- PED · Pardubice Airport66 mi away
- DRS · Dresden Airport75 mi away
Frequently asked questions
How far is ISN from PRG?
The flight distance from Williston (ISN) to Prague (PRG) is 4,711 miles (7,582 km, 4,094 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to PRG?
A nonstop flight takes about 9h 42m 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 Prague?
Prague is 7 hours ahead of Williston.
What is the cheapest way to fly from ISN to PRG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–PRG that never appear on search engines, with no booking fees.