Way to Bhutan
One can either fly to Bhutan or travel by road to enter Bhutan. The Paro International Airport, located in Paro, is the only international airport in Bhutan with flights operating to and from 8 cities in 5 countries. Paro is an hour drive away from the capital city Thimphu. Alternatively, tourists can enter Bhutan from the southern borders near India. From the most busy border town of Phuentsholing, it takes about 5 hours by car to reach Thimphu.
Travel Requirements
All people of different nationalities, except for Indian, Bangladeshi and Maldavian passport holders, must process the VISA before traveling to Bhutan. According to the Tourism policy of Bhutan, all tourists must book their holiday through a Bhutanese tour operator or through their international partners. The tour operators take care of the logistic arrangements including the visa, lodging, tours around the country, etc.
For more information visit the following sites:
https://visit.doi.gov.bt/
https://www.tourism.gov.bt/