The main entry point for tourists into Bhutan is by air via Paro International Airport. There are two carriers that fly into Paro, those being Druk Air and Bhutan Airlines (Also known as Tashi Air). These airlines fly from the following airports:
Bangkok (Thailand), Kathmandu (Nepal), Dhaka (Bangladesh), Delhi, Mumbai, Kolkata, Bagdogra, Gaya, Guwahati (India), Singapore.
Bangkok (Thailand), Kathmandu (Nepal), Delhi, Kolkata, Gaya (India).
There are also road border crossing points between India and Bhutan at Phuentsholing, Gelephu and Samdrup Jonkhar with Phuentsholing being the most popular.