Need help booking?
Unpublished phone-only deals available
GNB to IPT: distance & flight time
Grenoble (Grenoble-Isère Airport) → Williamsport (Williamsport Regional Airport)
3,959 mi
6,371 km · 3,440 nm
8h 14m
estimated nonstop flight time
-6h
time difference · heading northwest
See live GNB→IPT fares Phone-only fares on this route — call free
Flight time details
3,959 miles nonstop takes roughly 8h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- GNB — Grenoble-Isère Airport · Grenoble, France
- IPT — Williamsport Regional Airport · Williamsport, 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 GNB
- LYS · Lyon Saint-Exupéry Airport28 mi away
- LYN · Lyon-Bron Airport31 mi away
- CMF · Chambéry-Savoie Airport33 mi away
- VAF · Valence-Chabeuil Airport35 mi away
Near IPT
- LHV · William T. Piper Memorial Airport27 mi away
- HZL · Hazleton Municipal Airport51 mi away
- SCE · University Park Airport55 mi away
- WBW · Wilkes Barre Wyoming Valley Airport56 mi away
Frequently asked questions
How far is GNB from IPT?
The flight distance from Grenoble (GNB) to Williamsport (IPT) is 3,959 miles (6,371 km, 3,440 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to IPT?
A nonstop flight takes about 8h 14m 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 Grenoble and Williamsport?
Williamsport is 6 hours behind Grenoble.
What is the cheapest way to fly from GNB to IPT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–IPT that never appear on search engines, with no booking fees.