Cheap flights from Bangkok to London from £255

The cheapest month to fly to London from Bangkok is in February. Flight prices, which tend to average around £172, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Bangkok averaging around £212.

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 £601. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok to London for around £768.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £194. Flights at midday are often more expensive, with an average ticket price of £876.

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

You are more likely to see cheaper flights to London from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £765 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 Bangkok for as low as £691 on momondo.

There are 4 cabin classes available to choose from on Bangkok to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Etihad Airways, Gulf Air, and Malaysia Airlines are the most popular carriers operating from Bangkok to London

EVA Air, Emirates and Thai Airways are the top three most popular airlines that fly to London from Bangkok according to our data. EVA Air is the first choice among our users, with 58% of people opting to fly with this airline when travelling to London. Keep in mind that there are 13 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Bangkok 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.

7 flights are operational daily from Bangkok to London as of June 2026. The most popular departure time for this route is 12:00, with 46% of flights per day taking off in the afternoon.

The number of flights available between Bangkok and London is 55 per week as of June 2026. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.