Cheap flights from Thailand to London from £261

The cheapest month to fly to London from Thailand is in February. Flight prices, which tend to average around £169, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Thailand averaging around £232.

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £620. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Thailand to London for around £745.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £272. Flights at midday are often more expensive, with an average ticket price of £860.

Fly from Bangkok Suvarnabhumi to London Gatwick for the best Thailand - London flight prices

You are more likely to see cheaper flights to London from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £741 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Thailand for as low as £670 on momondo.

IndiGo, Air China, and China Eastern are the most popular carriers operating from Thailand to London

EVA Air, Emirates and Thai Airways are the top three most popular airlines that fly to London from Thailand according to our data. EVA Air is the first choice among our users, with 51% of people opting to fly with this airline when travelling to London. Keep in mind that there are 15 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Thailand and London have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways 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 May 2026, 7 flights take off from Thailand and land in London each day. The most common flight departure time for this route is 12:00, with 63% of daily flights taking off in the afternoon.

As of May 2026, there are 55 flights per week flying from Thailand to London. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.