The best way to enter Bhutan is by Druk Air, the national air carrier. Following stations are connected with Druk Air flight:

INDIA Delhi, Calcutta, NEPAL Kathmandu & THAILAND Bangkok

Druk Air tickets will be issued in Bhutan and we will make the arrangements to make it available to you at the Druk Air office/counter at any place where the visitor meets his flight to Bhutan. The tickets cannot be issued until the visa is approved, so you have to send in the requested details ASAP. The process takes 9-10 working days.

Druk Air Schedules: Check Druk Air Website for Accurate Air Schedule
Druk Air or the Royal Bhutan Airlines is the only one carrier offering flights into Bhutan. Flights into Paro are available only several times a week from each city, but there are almost daily flights out of Paro. The flight schedule also varies in the summer and winter.

Paro to Delhi & Kathmandu Tuesday, Thus & Sat
Paro to Calcutta & Bangkok Monday & Thus
Kathmandu, Delhi to Paro Monday & Thus
Bangkok/ Calcutta / Paro Wed, Friday & Sun

Making reservations and buying tickets for Druk Air can be difficult outside Bhutan so Baeyul - Excursion makes the necessary bookings for all our clients.


Road:

Entry or exit is also possible through Phuntsoling, the southern Bhutanese border town. From here the neared airport is Bagdogra in West Bengal (India). For travelers wishing to visit Indian states of Sikkim, West Bengal along with Bhutan, Phuntsholing serves as the convenient point.
Exit from Bhutan can be also made through Samdrup Jongkhar, an important link for visiting further North eastern states of India.
AS PER GOVERNMENT RULE IT IS MANDATORY TO TRAVEL AT LEAST ONE WAY BY DRUK AIR, IT CAN BE EITHER ENTRY OR EXIT OR BOTH.