Need help booking?
Unpublished phone-only deals available
IAH to GNB: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Grenoble (Grenoble-Isère Airport)
5,247 mi
8,444 km · 4,560 nm
10h 45m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IAH→GNB fares Phone-only fares on this route — call free
Flight time details
5,247 miles nonstop takes roughly 10h 45m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- GNB — Grenoble-Isère Airport · Grenoble, France
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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
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
Frequently asked questions
How far is IAH from GNB?
The flight distance from Houston (IAH) to Grenoble (GNB) is 5,247 miles (8,444 km, 4,560 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to GNB?
A nonstop flight takes about 10h 45m 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 Houston and Grenoble?
Grenoble is 7 hours ahead of Houston.
What is the cheapest way to fly from IAH to GNB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–GNB that never appear on search engines, with no booking fees.