Cheap flights from London Gatwick Airport to Bangkok from $517

The month of May is, on average, the cheapest month to fly to Bangkok from London Gatwick Airport, with most prices found around $1,001. The month of September is another great option to travel to Bangkok, with average flight prices from London Gatwick Airport averaging around $1,039.

The cheapest day to depart on your flight to Bangkok is on a Tuesday when prices can be found for as low as $1,144. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $2,829. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bangkok.

Flying to Bangkok from London Gatwick Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,081 when looking at flights departing in the afternoon. Flights to Bangkok are more costly in the evening, with an average ticket price of $2,075. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Bangkok from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,200 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from London Gatwick Airport for as low as $1,091 on momondo.

There are 2 cabin classes available to choose from on London Gatwick to Bangkok flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 19% of flights between London and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of February 2026, there are 2 flights per day flying from London Gatwick Airport to Bangkok. The most common time of day flights depart is 21:00, with 80% of flights taking off in the evening.

As of February 2026, 15 flights take off from London Gatwick Airport and land in Bangkok each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.