Air distance from Castries, Saint Lucia to Thimphu, Bhutan is 8944.8 Miles (14395.3 Kilometers / 7767.7 Nautical Miles).
18 hrs, 34 mins is the flight duration between Castries and Thimphu. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.