Need help booking?
Unpublished phone-only deals available
LRH to ISN: distance & flight time
La Rochelle (La Rochelle-Île de Ré Airport) → Williston (Sloulin Field International Airport)
4,423 mi
7,118 km · 3,843 nm
9h 8m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LRH→ISN fares Phone-only fares on this route — call free
Flight time details
4,423 miles nonstop takes roughly 9h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- LRH — La Rochelle-Île de Ré Airport · La Rochelle, France
- 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 LRH
- RCO · Rochefort-Saint-Agnant (BA 721) Airport23 mi away
- EDM · La Roche-sur-Yon Airport37 mi away
- NIT · Niort-Souché Airport39 mi away
- RYN · Royan-Médis Airport40 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 LRH from ISN?
The flight distance from La Rochelle (LRH) to Williston (ISN) is 4,423 miles (7,118 km, 3,843 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LRH to ISN?
A nonstop flight takes about 9h 8m 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 La Rochelle and Williston?
Williston is 7 hours behind La Rochelle.
What is the cheapest way to fly from LRH to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LRH–ISN that never appear on search engines, with no booking fees.