The cheapest month to fly to Khon Kaen from United Kingdom is in August. Flight prices, which tend to average around £495, are often lower during this time because this is during the off-season. If you are unable to visit Khon Kaen during the month of August, then departing from United Kingdom during the month March is also very affordable. Most momondo users find prices during this month for around £577.
The cheapest day to depart on your flight to Khon Kaen is on a Wednesday when prices can be found for as low as £635. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £679.