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ISN to ROC: distance & flight time
Williston (Sloulin Field International Airport) → Rochester (Greater Rochester International Airport)
1,295 mi
2,084 km · 1,125 nm
3h 17m
estimated nonstop flight time
+1h
time difference · heading east
See live ISN→ROC fares Phone-only fares on this route — call free
Flight time details
1,295 miles nonstop takes roughly 3h 17m 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
- ROC — Greater Rochester International Airport · Rochester, 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 ROC
- BUF · Buffalo Niagara International Airport55 mi away
- IAG · Niagara Falls International Airport64 mi away
- YYZ · Lester B. Pearson International Airport106 mi away
- YTR · CFB Trenton69 mi away
Frequently asked questions
How far is ISN from ROC?
The flight distance from Williston (ISN) to Rochester (ROC) is 1,295 miles (2,084 km, 1,125 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to ROC?
A nonstop flight takes about 3h 17m 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 1 hour ahead of Williston.
What is the cheapest way to fly from ISN to ROC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–ROC that never appear on search engines, with no booking fees.