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GNB to PHL: distance & flight time
Grenoble (Grenoble-Isère Airport) → Philadelphia (Philadelphia International Airport)
3,939 mi
6,339 km · 3,423 nm
8h 11m
estimated nonstop flight time
-6h
time difference · heading northwest
See live GNB→PHL fares Phone-only fares on this route — call free
Flight time details
3,939 miles nonstop takes roughly 8h 11m 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
- PHL — Philadelphia International Airport · Philadelphia, 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 PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is GNB from PHL?
The flight distance from Grenoble (GNB) to Philadelphia (PHL) is 3,939 miles (6,339 km, 3,423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to PHL?
A nonstop flight takes about 8h 11m 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 Philadelphia?
Philadelphia is 6 hours behind Grenoble.
What is the cheapest way to fly from GNB to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–PHL that never appear on search engines, with no booking fees.