Cheap flights from Southeast Asia to London from £222

The cheapest month to fly to London Gatwick Airport from Southeast Asia is in April. Flight prices, which tend to average around £333, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in April, then you should wait until July to fly from Southeast Asia, when ticket prices are also cheap, with an average price of £367.

According to our data, Tuesday is the cheapest day to fly to London Gatwick Airport from Southeast Asia. The lowest ticket price found for a Tuesday departure recently was £246. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Southeast Asia to London Gatwick Airport on a Wednesday will generally be more expensive and average around £495. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Southeast Asia to London Gatwick Airport flights are usually those with departure times in the afternoon. Our users have found flights to London Gatwick Airport in the afternoon for as low as £184. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the evening when prices are around £740.

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

You are more likely to see cheaper flights to London Gatwick Airport from Southeast Asia when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around £635 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Southeast Asia for as low as £446 on momondo.

There are 3 cabin classes available to choose from on Southeast Asia to London Gatwick Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Qatar Airways, Gulf Air, and AirAsia X are the most popular carriers operating from Southeast Asia to London Gatwick

Emirates, China Eastern and British Airways are the top three most popular airlines that fly to London Gatwick Airport from Southeast Asia according to our data. Emirates is the first choice among our users, with 59% of people opting to fly with this airline when travelling to London Gatwick Airport. Keep in mind that there are 7 different airlines that fly to London Gatwick Airport on a routine basis, so you have a few additional options to choose from.

The number of flights available between Southeast Asia and London Gatwick Airport is 4 per day as of May 2026. The most frequent departure time is 23:00, with 87% of daily flights leaving in the evening.

31 flights are operational weekly from Southeast Asia to London Gatwick Airport as of May 2026. The most popular departure day for this route is Tue, with 16% of flights per week taking off on this day.