€379 Find Cheap Flights from London to Bangkok – Compare and Save

The cheapest return flight from London to Bangkok Suvarnabhumi Airport costs €1,176 on the route between London Heathrow Airport (LHR) and Bangkok Suvarnabhumi Airport (BKK). Over the past month, this route was, on average, 30% cheaper than other London-Bangkok Suvarnabhumi Airport routes. The most popular route is between London Gatwick Airport (LGW) and Bangkok Suvarnabhumi Airport (BKK).

The cheapest month for flights from London to Bangkok Suvarnabhumi Airport is September, where tickets cost €664 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is €1,027 and €974 respectively.

No, with an average price for the route of €959, prices are generally cheapest when you fly direct.

To get a below average price on the flight from London to Bangkok Suvarnabhumi Airport, you should book around 4 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

In the past 5 days, the cheapest return tickets from London to Bangkok were found on China Eastern (€567) and Air China (€585).

London and Bangkok are connected by different airlines. The airlines that fly that route the most regularly are Thai Airways (14 flights per week), EVA Air (7 flights per week), and British Airways (3 flights per week).

Weekly flights between London and Bangkok historically see delays in approximately 13% of cases, with the average delay over the past year being 101 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Sunday has typically experienced more delays than other days.

Based on our data, EVA Air have experienced the fewest delays on this route in the past 12 months, with only about 5% of their flights encountering any delays.

Beijing (PEK) is the top choice – 21% of KAYAK users who clicked on one-stop flights from London to Bangkok picked an itinerary connecting there.

Flights via Beijing (PEK) offer the most affordable fares, with an average price of €363 for a return.

Consider flying via Vienna (VIE) for the shortest journey. The average one-way travel time for flights connecting there is 13h 05m.

If you prefer a quick connection, Vienna (VIE) often has the shortest stopovers from London to Bangkok, with an average time of 0h 45m.

There are 2 cabin class options for the route. These are Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 3 and 4 direct flights that take off from London and land in Bangkok Suvarnabhumi Airport, with an average flight time of 11h 42m. The most common departure time is 21:00 and most flights take off in the evening. Each week, there are 24 flights. The most frequent day of departure is Tuesday, when 17% of all weekly flights depart. The fewest flights depart on a Monday.