flights from Chiang Mai to Luang Prabang

there are loads of travle agents in Chiang Mai that'll book you this flight, it easy. I'd hurry up too - it's that close to Christmas they'll book up fast. Thai Airways used to do it as well direct, but they axed this route. You'd probably be OK with average luck to book one on the 16th as soon as you arrive in CM for four or five days later, especially if you are only looking for the one seat.

#7 I said that because since their online e-ticketing system first appeared on the website, I have checked it and seen it work one day and not the next, so I'm not yet confident they have the bugs worked out. It will be a bonus for many travelers when it becomes reliable.