Luang Prabang: A UNESCO World Heritage Site dotted with charming French Colonial architecture and a host of natural and historical sites. Tourists flock to waterfalls, caves, Vat Xieng Thong temple and the Haw Kham Royal Palace Museum, as well as the buzzing dining scene and handicraft markets.Flights run Seven times weekly from Vientiane to Luang Prabang on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays and Sundays. Adult prices start from 399,000 kip one-way.