Luang Prabang to Vientiane

An idea of transportation time and cost from Luang Prabang :
There are a few options to go from Luang Prabang to Vientiane :

Method Time Price Notes
VIP bus 9 hours 160,000 kip Old buses with air con and toilet.
Leaves from the bus station. For buses, you need to arrange pick up at your hotel to drive you to the bus station since buses are not allowed in the UNESCO city of Luang Prabang.
Local bus 10 hours 140,000 kip No toilet.
Sleeping bus 10 hours 180,000 kip Leaves in the evening.
Mini bus < 9 hours 170,000 kip A van with less leg room.Pick up at your hotel.
Plane < 1 hour $64 / 103+ USD Lao Central Airlines : cheaper; flights not everyday
OR
Lao Airlines