The flight distance from Klagenfurt Airport (KLU) in Klagenfurt am Worthersee, Austria to London Heathrow Airport (LHR) in London, United Kingdom is 1,202 kilometers (747 miles / 649 nautical miles). The estimated flight time for this route is approximately 2h, flying west northwest at a heading of 302°.

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 Austria with United Kingdom. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:56 in Klagenfurt am Worthersee, it's 07:56 in London.

There is a significant elevation difference of 1,387 feet between the two airports. London Heathrow Airport sits lower than Klagenfurt Airport.

The return flight from London (LHR) to Klagenfurt am Worthersee (KLU) follows a heading of 111° (east 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 Klagenfurt Airport (KLU) and London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.