Entry is easiest by air. Druk Air is the national airline, sometimes known as Royal Bhutan Airlines, and the only airline that flies into Bhutan. It operates two BAe 146 4-engine jets carrying 77 passengers twice a week from Delhi and Kathmandu, once a week from Calcutta and Dhaka and twice a week from Bangkok.
Schedules and rates may changes at short notice so check with the Druk Air agent in the country of departure. Air fares are relatively costly and payable in foreign exchange with no excursion or concession rates. Druk Air’s in-flight service is good, with a friendly crew, colourful handwoven blankets to keep warm and French Wine Served on board.
Thai International offices in major cities in the US and Europe can issue your Druk-Air ticket, but only after you have confirmed your bookings through the Druk-Air offices in Thimphu, Kathmandu, Delhi, Dhaka, Calcutta or Bangkok. Druk Air requires of visa clearance from Thimphu before issuing a Ticket.
From October to early April, the flight to Bhutan is especially spectacular with the whole of the eastern Himalaya visible, including famous giants such as Everest, Kangchenjunga and Jomolhari. Bhutan’s only airport is in Paro and is an hour’s drive from the capital, Thimphu, A tourist bus or the Druk Air coach will take you from Paro to Thimphu. Paro airport is located in the mountains at 2,200m (7,220 ft) and the weather can sometimes causes delays, especially during the summer monsoon. When leaving Bhutan, avoid tight connecting schedules for ongoing flights.
Following recent renovations, the airport has central heating- a blessing in he bitter cold of Paro winter mornings- a restaurant, bookshop, accessibility lifts for the disabled, and television monitors displaying flight information.