AirHint found the following cheapest one-way flights from Bangkok (BKK) to Udon Thani (UTH) in December 2025 (see full year).
One-Way flights
| 31 Dec | Thai AirAsia | direct | |
| 30 Dec | Nok Air | direct | |
| 29 Dec | Nok Air | direct | |
| 28 Dec | Nok Air | direct | |
| 26 Dec | Thai VietJet Air | direct | |
| 27 Dec | Thai VietJet Air | direct | |
| 25 Dec | Thai AirAsia | direct |
Also check the deals for return flights from Bangkok to Udon Thani in December.
Powered by
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
Find us on social media