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ISN to RCS: distance & flight time
Williston (Sloulin Field International Airport) → Rochester (Rochester Airport)
4,235 mi
6,816 km · 3,680 nm
8h 46m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ISN→RCS fares Phone-only fares on this route — call free
Flight time details
4,235 miles nonstop takes roughly 8h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- RCS — Rochester Airport · Rochester, United Kingdom
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 RCS
- LGW · London Gatwick Airport33 mi away
- LHR · London Heathrow Airport42 mi away
- SEN · Southend Airport17 mi away
- BQH · London Biggin Hill Airport20 mi away
Frequently asked questions
How far is ISN from RCS?
The flight distance from Williston (ISN) to Rochester (RCS) is 4,235 miles (6,816 km, 3,680 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to RCS?
A nonstop flight takes about 8h 46m 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 Rochester?
Rochester is 6 hours ahead of Williston.
What is the cheapest way to fly from ISN to RCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–RCS that never appear on search engines, with no booking fees.