£272 Find Cheap Flights from London Heathrow Airport to Bangkok – Compare and Save

The cheapest return flight from London Heathrow Airport to Bangkok costs £635 on the route between London Heathrow Airport (LHR) and Bangkok Suvarnabhumi Airport (BKK). It is also the most popular route.

If you are looking for a flight deal from London Heathrow Airport to Bangkok, look for departures on Mondays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Bangkok, Thursday is the cheapest day to fly and Tuesday is the most expensive.

The cheapest month for flights from London Heathrow Airport to Bangkok is May, where tickets cost £592 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is £950 and £884 respectively.

To get a below average price on the flight from London Heathrow Airport to Bangkok, you should book around 2 weeks before departure, which saves you about 6% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

In the past 5 days, the cheapest return tickets from London Heathrow Airport to Bangkok were found on Hainan Airlines (£417) and China Southern (£420).

There are 7 airlines that fly direct from London Heathrow Airport to Bangkok. They are: A.P.G., British Airways, EVA Air, Hahn Air, Lufthansa, Norse Atlantic UK and Thai Airways. The cheapest price of all airlines flying this route was found with Norse Atlantic UK at £291 for a return flight. On average, the best prices for this route can be found at Norse Atlantic UK.

Weekly flights between London and Bangkok historically see delays in approximately 10% of cases, with the average delay over the past year being 90 minutes.

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

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Friday 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 4% of their flights encountering any delays.

There are 4 cabin class options for the route. These are First, Business, 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 3 direct flights that take off from London Heathrow Airport and land in Bangkok, with an average flight time of 11h 43m. The most common departure time is 21:00 and most flights take off in the evening. Each week, there are 21 flights and there are the same number of flights each day (3).