Both the local airlines of Bhutan Druk Air and Bhutan Airlines operate flights from Delhi to Paro. It is 3 hours flights and covers around 1214Km distance from Delhi to Paro International Airport. The fare per person is $ 797 round trip.
From Delhi Indira Gandhi International Airport or IGI Airport is the main airport in Delhi which offers daily flights to Bhutan. The airport is 45 minutes drive from main city area of Delhi (Canaught Place) during free traffic. All international flights departs from terminal 3. There are plans to continue to expand the airport if the traffic continues to grow. It is located in Palam, 16 km from the New Delhi city centre and 15 km south-west of New Delhi railway station. Indira Gandhi International Airport counts with three parallel runways.