By Air:

The flight into Paro is one of the most spectacular in the world. Whether flying along the Himalayan range or over the foothills from Kolkata, each flight is mesmerizing and offers an exciting descent into the kingdom

Bhutan’s the only national airline, Druk Air operates on the following route:

•  Bangkok (Thailand)
• Delhi (India)
• Kolkata (India)
• Bagdogra (India)
• Gaya (India)
• Guwahati (India)
• Kathmandu (Nepal)
• Dhaka (Bangladesh)
• Changi (Singapore)

By Land:

• If you wish to travel overland, you can enter and exit Bhutan through its southern gateway of Phuentsholing into the Indian state of West Bengal. It is approximately a five-hour drive from Thimphu. The nearest airport is at Bagdogra, located approximately four hours by road from Phuentsholing. This border point is an ideal junction for those wishing to combine their exploration of Bhutan with the Indian states of Sikkim and West Bengal.
• For those who would like to journey across Bhutan, there is an exit only border crossing at Sumdrup Jongkhar in southeast Bhutan to India. The closest airport is 110 km away in Guwahati. From here you a number of destinations you can fly on to including Delhi, Bombay, Kolkata and Bangkok. This is convenient for those flying into Paro in the west and touring across Bhutan without backtracking.