The flight distance from Chiang Rai International Airport (CEI) in Chiang Rai, Thailand to Sofia Airport (SOF) in Sofia, Bulgaria is 7,434 kilometers (4,619 miles / 4,014 nautical miles). The estimated flight time for this route is approximately 10h, flying northwest at a heading of 309°.

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

Time zone information: When it's 20:33 in Chiang Rai, it's 15:33 in Sofia. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sofia (SOF) to Chiang Rai (CEI) follows a heading of 84° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Chiang Rai International Airport (CEI) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.