Below you can find the flight schedule for Bangkok to Udon Thani for April. If you are looking for flight fares, please check the cheap flights Bangkok to Udon Thani, or you can use the search form at the top.
| Airline | Flight number | Departure | Arrival | Flight time |
| Nok Air | DD9200 | 05:55 | 07:15 | 1h 20m |
| Nok Air | DD300 | 06:00 | 07:05 | 1h 5m |
| Nok Air | DD9202 | 10:00 | 11:05 | 1h 5m |
| Nok Air | DD9210 | 12:20 | 13:25 | 1h 5m |
| Nok Air | DD306 | 13:40 | 14:45 | 1h 5m |
| Nok Air | DD9214 | 14:45 | 15:50 | 1h 5m |
| Nok Air | DD9216 | 17:00 | 18:05 | 1h 5m |
| Nok Air | DD308 | 17:10 | 18:15 | 1h 5m |
| Nok Air | DD9218 | 18:30 | 19:30 | 1h 0m |
| Nok Air | DD310 | 19:30 | 20:35 | 1h 5m |
| Thai AirAsia | FD3362 | 06:40 | 07:55 | 1h 15m |
| Thai AirAsia | FD3354 | 10:35 | 11:50 | 1h 15m |
| Thai AirAsia | FD3358 | 12:05 | 13:30 | 1h 25m |
| Thai AirAsia | FD3346 | 15:50 | 17:10 | 1h 20m |
| Thai AirAsia | FD3350 | 17:15 | 18:30 | 1h 15m |
| Thai AirAsia | FD3356 | 17:55 | 19:00 | 1h 5m |
| Thai Airways | TG4 | 12:30 | 13:40 | 1h 10m |
| Thai Lion Air | SL600 | 06:05 | 07:10 | 1h 5m |
| Thai Lion Air | SL604 | 09:50 | 10:50 | 1h 0m |
| Thai Lion Air | SL606 | 10:55 | 12:05 | 1h 10m |
| Thai Lion Air | SL610 | 15:15 | 16:20 | 1h 5m |
| Thai Lion Air | SL616 | 20:10 | 21:15 | 1h 5m |
| Thai Smile | WE2 | 07:05 | 08:15 | 1h 10m |
| Thai Smile | WE4 | 11:20 | 12:25 | 1h 5m |
| Thai Smile | WE6 | 14:50 | 15:55 | 1h 5m |
| Thai Smile | WE8 | 17:35 | 18:45 | 1h 10m |
| Thai Vietjet Air | VZ4787 | 07:30 | 08:40 | 1h 10m |
| Thai Vietjet Air | VZ200 | 07:30 | 08:40 | 1h 10m |
| Thai Vietjet Air | VZ208 | 10:00 | 11:10 | 1h 10m |
| Thai Vietjet Air | VZ204 | 13:15 | 14:25 | 1h 10m |
| Thai Vietjet Air | VZ4720 | 13:45 | 14:55 | 1h 10m |
| Thai Vietjet Air | VZ202 | 15:25 | 16:35 | 1h 10m |
| Thai Vietjet Air | VZ4789 | 15:25 | 16:35 | 1h 10m |
| Thai Vietjet Air | VZ206 | 16:45 | 17:55 | 1h 10m |
| Thai Vietjet Air | VZ4714 | 20:45 | 21:55 | 1h 10m |
Cheap flights Bangkok to Udon Thani.
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