The flight distance from Sion Airport (SIR) in Sion, Switzerland to London Stansted Airport (STN) in London, United Kingdom is 814 kilometers (505 miles / 439 nautical miles). The estimated flight time for this route is approximately 2h, flying northwest at a heading of 323°.

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

Time zone information: When it's 00:26 in Sion, it's 23:26 in London.

There is a significant elevation difference of 1,237 feet between the two airports. London Stansted Airport sits lower than Sion Airport.

The return flight from London (STN) to Sion (SIR) follows a heading of 138° (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 Sion Airport (SIR) and London Stansted Airport (STN) detail pages, or use our flight duration calculator to compare other routes.