Lukla airport (icao) is the main access airport for those who want to visit Mount Everest. Its official name is Tenzing-Hillary Airport, in honor of the first two people who climbed the highest mountain in the world in 1953, Tenzing Norgay and Edmund Hillary.
Nepal 
Thailand
Iran - Mashhad
China - Hong Kong
South Korea
Japan - Naha - Okinawa
United States
Russia - Moscou