The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Xieng Khouang Airport (XKH) in Xieng Khouang, Laos is 7,735 kilometers (4,807 miles / 4,177 nautical miles). The estimated flight time for this route is approximately 10h, flying east at a heading of 82°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Bulgaria with Laos. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:19 in Sofia, it's 04:19 in Xieng Khouang. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,703 feet between the two airports. Xieng Khouang Airport sits higher than Sofia Airport.

The return flight from Xieng Khouang (XKH) to Sofia (SOF) follows a heading of 309° (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 Sofia Airport (SOF) and Xieng Khouang Airport (XKH) detail pages, or use our flight duration calculator to compare other routes.