The flight distance from Eleftherios Venizelos International Airport (ATH) in Athens, Greece to Chinggis Khaan International Airport (UBN) in Ulaanbaatar, Mongolia is 6,522 kilometers (4,052 miles / 3,521 nautical miles). The estimated flight time for this route is approximately 9h, flying northeast at a heading of 52°.

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 Greece with Mongolia. 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 10:58 in Athens, it's 15:58 in Ulaanbaatar. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,177 feet between the two airports. Chinggis Khaan International Airport sits higher than Eleftherios Venizelos International Airport.

The return flight from Ulaanbaatar (UBN) to Athens (ATH) follows a heading of 294° (west 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 Eleftherios Venizelos International Airport (ATH) and Chinggis Khaan International Airport (UBN) detail pages, or use our flight duration calculator to compare other routes.