http://www.laoskyway.com/SERVICES_EN/AirlineThe airline formely Lao Air based at Wattaya has a series of Promotion fares you can actally book online,just got a return for $92,
Bokeo Airport is a brisk 3 mile hike or $3 ride from new Thai Frienship Bridge itself 90 minutes from C Rai bus stion or airport.
If you arrive on overnight bus from C Mai or Bangkok both around 600 bahts can easily reach border for opening time 8am
Must take 20 baht bus as Vientiane no bikes or pedestrians allowed on Bridge.Be thru Lao immigrationand brekkie at Casino by 0830
Most flights around 1030 half empty and a tiny airport so stroll or tuktuk or pillion.
VTE airport is a tad outta town but as old Lao hands will conccur if you need to ask the price of stuff in Lao you cannot afford to travel,Local bar has shots of Anis 1000 kip 2 baht,local meals from 10 baht even French and Vietgrub less thn here
BonVoyage KipKoffee and baguettes away