Cheap flights from Bangkok to Udon Thani from £34

The cheapest month to fly to Udon Thani from Bangkok is in August. Flight prices, which tend to average around £12, are often lower during this time because this is during the off-season. If you don’t want to visit Udon Thani in August, then you should wait until July to fly from Bangkok, when ticket prices are also cheap, with an average price of £12.

The cheapest day to depart from Bangkok to Udon Thani is on a Saturday. Travellers who choose to depart for Udon Thani on a Saturday will often find tickets for as low as £46. On the other hand, Friday is the most expensive day to depart from Bangkok because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £103.

According to our data, the cheapest time of day to fly to Udon Thani is in the afternoon. momondo users have found flights departing from Bangkok to Udon Thani in the afternoon for as low as £45. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Udon Thani are more costly in the evening, with an average ticket price of £68. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Bangkok Suvarnabhumi to Udon Thani for the best Bangkok - Udon Thani flight prices

You are more likely to see cheaper flights to Udon Thani from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Udon Thani for around £53 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Udon Thani from Bangkok for as low as £44 on momondo.

Thai Vietjet Air is the most popular carrier operating from Bangkok to Udon Thani

Thai AirAsia, Thai Airways and Thai Vietjet Air are the top three most popular airlines that fly to Udon Thani from Bangkok according to our data. Thai AirAsia is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Udon Thani. Keep in mind that there are 5 different airlines that fly to Udon Thani on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Bangkok and Udon Thani have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Nok Air have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of May 2026, there are 7 flights per day flying from Bangkok to Udon Thani. The most common time of day flights depart is 12:00, with 60% of flights taking off in the afternoon.

As of May 2026, 55 flights take off from Bangkok and land in Udon Thani each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.