Cheap flights from London Heathrow Airport to Ko Samui from £361

The cheapest month to fly to Ko Samui from London Heathrow Airport is in June. Flight prices, which tend to average around £811, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in June, then you should wait until May to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £811.

According to our data, Wednesday is the cheapest day to fly to Ko Samui from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £498. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Sunday is £850.

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from London Heathrow Airport to Ko Samui during this time can be as low as £505. Flights at midday are often more expensive, with an average ticket price of £821.

You are more likely to see cheaper flights to Ko Samui from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around £916 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from London Heathrow Airport for as low as £778 on momondo.

Etihad Airways is the most popular carrier operating from London Heathrow to Ko Samui

EVA Air, Thai Airways and Singapore Airlines are the top three most popular airlines that fly to Ko Samui from London Heathrow Airport according to our data. EVA Air is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Ko Samui. Keep in mind that there are 14 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 155 minutes.

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

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

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

Bangkok (BKK) was the most common stop: 76% of momondo users choosing one-stop flights on this route connected there.

Flights via Hong Kong (HKG) offer the lowest average return price of £830.

Flights connecting via Kuwait City (KWI) have the shortest average one-way travel time: 15h 20m.

Bangkok (BKK) has the shortest average stopover time for this route: 2h 50m.