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CER to ISN: distance & flight time
Cherbourg (Cherbourg-Maupertus Airport) → Williston (Sloulin Field International Airport)
4,250 mi
6,840 km · 3,693 nm
8h 48m
estimated nonstop flight time
-7h
time difference · heading northwest
See live CER→ISN fares Phone-only fares on this route — call free
Flight time details
4,250 miles nonstop takes roughly 8h 48m 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
- CER — Cherbourg-Maupertus Airport · Cherbourg, 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 CER
- ACI · Alderney Airport34 mi away
- JER · Jersey Airport45 mi away
- GCI · Guernsey Airport53 mi away
- GFR · Granville Airport53 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 CER from ISN?
The flight distance from Cherbourg (CER) to Williston (ISN) is 4,250 miles (6,840 km, 3,693 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CER to ISN?
A nonstop flight takes about 8h 48m 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 Cherbourg and Williston?
Williston is 7 hours behind Cherbourg.
What is the cheapest way to fly from CER to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CER–ISN that never appear on search engines, with no booking fees.