The Udan Thani International Airport only has domestic flights from Bangkok, Phuket and Chang Mai.
It is located near the border with Laos and is often used by travelers heading for Vientiane, the capital of Laos which can be reached in 1,5 hour by crossing the Friendship Bridge over the Mekong river.
Udon Thani International Airport is not a large airport so there are not many flights departing here. There are only a few destinations that you can reach from Udon Thani International Airport, most of these are operated by Thai AirAsia. Many people take a flight to Phuket and transfer to another flight there.
The Udon Thani Airport is located only about 2km to the southwest of central Udon Thani.
There are four daily buses to the Friendship Bridge at the border with Laos at 150 Baht.
If you plan to get into town, most hotels have a pickup service or you can take a taxi to Udon Thani center for only 100 Baht.
All prices quoted here were found in July 2017