Bhutan Airlines flies from Bodh Gaya to Paro 3 times a week.
How to get from Bodh Gaya to Bhutan
From Bodh Gaya taxi to Gaya airport, fly to Paro airport, then drive to Paro. 1 h 29 min $752. From Bodh Gaya taxi to Gaya Junction (GAYA), train to New Alipurdaur (NOQ), taxi to Hasimara, bus to Phuentsholing - Bhutan Post, then drive to Thimphu. 23 h 38 min.