I already check flight Air-Tickets of Lao airlines (BKK-VTE-BKK) for you.
Departure from BKK : Friday January 17, 2014 time 9.35 a.m.
Departure from VTE : Saturday January 18,2014 Time 7.30 a.m.
Amount 6,750 Baht net. I will arrange and payment transfer before 5 days your flight. (Thursday )