Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Bangkok, across the 20 airlines that offer this route. We've found that 10 / Jun / 2021 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
There are 5,018 flights from London Heathrow to or via Bangkok every week. Out of the 20 available airlines, the most popular ones are British Airways, Cathay Pacific & Qatar Airways. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Generally speaking, the flight from London Heathrow to Bangkok takes around 16 hrs 25 mins. The fastest flight takes 11 hrs 30 mins to cover the 9586 km distance. You can view all flight times yourself in the results list.
May is normally the cheapest month to fly to Bangkok, but it’s important to try different options when you search. Searching by month, for instance, will show you the best time of the week to fly. December is always the most expensive time to fly but, if you check regularly and book early, you have a better chance of getting a good deal.