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ACH to GNB: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Grenoble (Grenoble-Isère Airport)
249 mi
401 km · 217 nm
1h 7m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ACH→GNB fares Phone-only fares on this route — call free
Flight time details
249 miles nonstop takes roughly 1h 7m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from GNB?
The flight distance from Altenrhein (ACH) to Grenoble (GNB) is 249 miles (401 km, 217 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to GNB?
A nonstop flight takes about 1h 7m 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 cheapest way to fly from ACH to GNB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–GNB that never appear on search engines, with no booking fees.