Most international visitors to Nepal arrive by air into Kathmandu's Tribhuvan International Airport. Austrian Airlines, Lauda Air and Martin Air operate direct flights from Europe. Gulf Air and Qatar Airways (middle eastern airlines) are used my many European visitors. Although there are transfers in the Middle East, your stopover will last no longer than a couple of hours. New Delhi is most often the transfer point for travelers using other airlines from Europe and the east coast of North America whereIndian Airlines and Nepal Airlines Corporation (NAC) operate the onward journey to Kathmandu. Recently, Jet Airways and Air Sahara are another carriers added to fly to Kathmandu from main Indian cities. Travelers from west coast of the States or Australia are likely to change in Bangkok where Thai Airways and NAC have easy connections to Kathmandu. Flights to Kathmandu are also available from Hong Kong, Singapore, Dhaka, Karachi, Paro and Chengdu/Lhasa).