Hi Toronto, Traveling by train is very cheap. From Bangkok to Nongkhai by train (sleeping class) is around $20-30. It is 12hr ride. From Nongkhai to Vientiane, Laos is about 45mn bus ride. Have a great trip! Admin
The train schedule table of NORTHEASTERN LINE (Bangkok to Nongkhai) : www.railway.co.th/english/images/N_NE.pdf
The fare rate link: www.railway.co.th/English/FareRate.asp
Sabaidee y'awl!