The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Sion Airport (SIR) in Sion, Switzerland is 815 kilometers (506 miles / 440 nautical miles). The estimated flight time for this route is approximately 2h, flying southeast at a heading of 133°.

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

Time zone information: When it's 23:11 in London, it's 00:11 in Sion.

There is a significant elevation difference of 1,502 feet between the two airports. Sion Airport sits higher than London Heathrow Airport.

The return flight from Sion (SIR) to London (LHR) follows a heading of 319° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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