Need help booking?
Unpublished phone-only deals available
GNB to ACH: distance & flight time
Grenoble (Grenoble-Isère Airport) → Altenrhein (St Gallen Altenrhein Airport)
249 mi
401 km · 217 nm
1h 7m
estimated nonstop flight time
Same time
time difference · heading northeast
See live GNB→ACH fares Phone-only fares on this route — call free
Flight time details
249 miles nonstop takes roughly 1h 7m gate to gate, flying northeast. 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
- GNB — Grenoble-Isère Airport · Grenoble, France
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is GNB from ACH?
The flight distance from Grenoble (GNB) to Altenrhein (ACH) is 249 miles (401 km, 217 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to ACH?
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 GNB to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–ACH that never appear on search engines, with no booking fees.