Need help booking?
Unpublished phone-only deals available
DAY to GNB: distance & flight time
Dayton (James M Cox Dayton International Airport) → Grenoble (Grenoble-Isère Airport)
4,323 mi
6,957 km · 3,757 nm
8h 57m
estimated nonstop flight time
+6h
time difference · heading northeast
See live DAY→GNB fares Phone-only fares on this route — call free
Flight time details
4,323 miles nonstop takes roughly 8h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- DAY — James M Cox Dayton International Airport · Dayton, 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 DAY
- FFO · Wright-Patterson Air Force Base10 mi away
- SGH · Springfield-Beckley Municipal Airport21 mi away
- MGY · Dayton-Wright Brothers Airport22 mi away
- ILN · Wilmington Airpark40 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 DAY from GNB?
The flight distance from Dayton (DAY) to Grenoble (GNB) is 4,323 miles (6,957 km, 3,757 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DAY to GNB?
A nonstop flight takes about 8h 57m 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 Dayton and Grenoble?
Grenoble is 6 hours ahead of Dayton.
What is the cheapest way to fly from DAY to GNB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DAY–GNB that never appear on search engines, with no booking fees.