If you're looking to fly from London Gatwick to Bangkok, you might like to know that 13 / Jan / 2026 currently has the cheapest flights. At the moment, there are 12 airlines flying to Bangkok. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Bangkok.
British Airways is the most popular airline that flies from London Gatwick to Bangkok. But it's still worth looking at other options, as there are 2,918 flights to Bangkok every week. If you want to broaden your search, look at flights departing from other airports.
Generally speaking, the flight from London Gatwick to Bangkok takes around 18 hrs 10 mins. The fastest flight takes 11 hrs 55 mins to cover the 9578 km distance. You can view all flight times yourself in the results list.
August 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. November 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.
