Need help booking?
Unpublished phone-only deals available
AUF to ISN: distance & flight time
Auxerre (Auxerre-Branches Airport) → Williston (Sloulin Field International Airport)
4,500 mi
7,242 km · 3,910 nm
9h 17m
estimated nonstop flight time
-7h
time difference · heading northwest
See live AUF→ISN fares Phone-only fares on this route — call free
Flight time details
4,500 miles nonstop takes roughly 9h 17m 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
- AUF — Auxerre-Branches Airport · Auxerre, 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 AUF
- CDG · Charles de Gaulle International Airport91 mi away
- NVS · Nevers-Fourchambault Airport61 mi away
- XCR · Châlons-Vatry Airport72 mi away
- BOU · Bourges Airport76 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 AUF from ISN?
The flight distance from Auxerre (AUF) to Williston (ISN) is 4,500 miles (7,242 km, 3,910 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUF to ISN?
A nonstop flight takes about 9h 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 Auxerre and Williston?
Williston is 7 hours behind Auxerre.
What is the cheapest way to fly from AUF to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUF–ISN that never appear on search engines, with no booking fees.