The flight distance from Kirkwall Airport (KOI) in Orkney Islands, United Kingdom to Sofia Airport (SOF) in Sofia, Bulgaria is 2,554 kilometers (1,587 miles / 1,379 nautical miles). The estimated flight time for this route is approximately 4h, flying east southeast at a heading of 123°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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

Time zone information: When it's 08:26 in Orkney Islands, it's 10:26 in Sofia.

There is a significant elevation difference of 1,692 feet between the two airports. Sofia Airport sits higher than Kirkwall Airport.

The return flight from Sofia (SOF) to Orkney Islands (KOI) follows a heading of 324° (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 Kirkwall Airport (KOI) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.