The flight distance from Grenoble-Isere Airport (GNB) in Grenoble/Saint-Geoirs, France to London Heathrow Airport (LHR) in London, United Kingdom is 802 kilometers (498 miles / 433 nautical miles). The estimated flight time for this route is approximately 2h, flying north northwest at a heading of 330°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is an international route connecting France with United Kingdom. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 21:03 in Grenoble/Saint-Geoirs, it's 20:03 in London.

There is a significant elevation difference of 1,219 feet between the two airports. London Heathrow Airport sits lower than Grenoble-Isere Airport.

The return flight from London (LHR) to Grenoble/Saint-Geoirs (GNB) follows a heading of 146° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Grenoble-Isere Airport (GNB) and London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.