Bhutan visa for us citizens traveling to Bhutan, getting a visa is a very easy procedure. The first step is to choose a reliable Bhutan travel agency by booking a Bhutan tour. Then pay your Bhutan travel fee in full. Submit a clear passport scan or passport photo, and the passport is required to valid for at least six months. After you get the Bhutan Visa Approval Letter in 7-10 working days, you must print it out as soon as possible. When you check-in at the airport, you need to show your Bhutan Visa Approval Letter to get your boarding pass. When you arrive at Bhutan Paro International Airport, please show your passport and printed Bhutan Visa Approval Letter to the customs staff. They will stamp your passport with the visa stamp.