Paro International Airport is the only entry point to Bhutan by air. It is located in the south west of the country and served only by the country's flag carrier Druk Air. Druk operates four planes which fly routes to Bangkok in Thailand; Delhi, Kolkata,  Bodhgaya/ Gaya, Bagdogra, Guwahati in India; Kathmandu in Nepal; Dhaka in Bangladesh. Druk Air is the one and only airline operating in Bhutan. This flight may be delayed because of weather in the monsoon season. Massif Holidays also assist you to arrange flight ticket of Durk Air upon your request.