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GNB to UNI: distance & flight time
Grenoble (Grenoble-Isère Airport) → Union Island (Union Island International Airport)
4,476 mi
7,204 km · 3,890 nm
9h 15m
estimated nonstop flight time
-6h
time difference · heading west
See live GNB→UNI fares Phone-only fares on this route — call free
Flight time details
4,476 miles nonstop takes roughly 9h 15m gate to gate, flying west. 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
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
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 UNI
- CIW · Canouan Airport8 mi away
- MQS · Mustique Airport25 mi away
- BQU · J F Mitchell Airport29 mi away
- SVD · Argyle International Airport42 mi away
Frequently asked questions
How far is GNB from UNI?
The flight distance from Grenoble (GNB) to Union Island (UNI) is 4,476 miles (7,204 km, 3,890 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to UNI?
A nonstop flight takes about 9h 15m 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 Union Island?
Union Island is 6 hours behind Grenoble.
What is the cheapest way to fly from GNB to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–UNI that never appear on search engines, with no booking fees.