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LYS to ISN: distance & flight time
Lyon (Lyon Saint-Exupéry Airport) → Williston (Sloulin Field International Airport)
4,657 mi
7,496 km · 4,047 nm
9h 36m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LYS→ISN fares Phone-only fares on this route — call free
Flight time details
4,657 miles nonstop takes roughly 9h 36m 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
- LYS — Lyon Saint-Exupéry Airport · Lyon, 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 LYS
- LYN · Lyon-Bron Airport7 mi away
- GNB · Grenoble-Isère Airport28 mi away
- CMF · Chambéry-Savoie Airport39 mi away
- EBU · Saint-Étienne-Bouthéon 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 LYS from ISN?
The flight distance from Lyon (LYS) to Williston (ISN) is 4,657 miles (7,496 km, 4,047 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LYS to ISN?
A nonstop flight takes about 9h 36m 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 Lyon and Williston?
Williston is 7 hours behind Lyon.
What is the cheapest way to fly from LYS to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LYS–ISN that never appear on search engines, with no booking fees.