Cheap flights from Bangkok to Khon Kaen from £27

The month of June is another great option to travel to Khon Kaen, with average flight prices from Bangkok averaging around £13.

According to our data, Friday is the cheapest day to fly to Khon Kaen from Bangkok. The lowest ticket price found for a Friday departure recently was £43. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £95. These prices are subject to change though, so be sure to set up a Price Alert for flights to Khon Kaen.

In the afternoon is the cheapest time of day to fly from Bangkok to Khon Kaen when you can find flight prices for as low as £54. Flying to Khon Kaen in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at midday because they tend to be around £89. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Bangkok Don Mueang Intl to Khon Kaen for the best Bangkok - Khon Kaen flight prices

You are more likely to see cheaper flights to Khon Kaen from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Khon Kaen for around £54 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Khon Kaen from Bangkok for as low as £47 on momondo.

Thai Vietjet Air is the most popular carrier operating from Bangkok to Khon Kaen

Thai AirAsia, Thai Airways and Thai Vietjet Air are the top three most popular airlines that fly to Khon Kaen from Bangkok according to our data. Thai AirAsia is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Khon Kaen. Keep in mind that there are 5 different airlines that fly to Khon Kaen on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Bangkok and Khon Kaen have experienced a delay on any given week. The average delay length over the past 12 months has been 86 minutes.

Generally, flights departing in the morning 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. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, VietJet Air have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of April 2026, there are 12 flights per day flying from Bangkok to Khon Kaen. The most common time of day flights depart is 14:00, with 46% of flights taking off in the afternoon.

As of April 2026, 89 flights take off from Bangkok and land in Khon Kaen each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.