Cheap flights from the United Kingdom to Thailand from £239

In general, May is the cheapest month to fly from United Kingdom to Thailand. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £607. If you are unable to visit Thailand during the month of May, then departing from United Kingdom during the month June is also very affordable. Most momondo users find prices during this month for around £615.

The cheapest day to depart on your flight to Thailand is on a Monday when prices can be found for as low as £844. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £891.

Our data shows that the cheapest United Kingdom to Thailand flights are usually those with departure times in the afternoon. Our users have found flights to Thailand in the afternoon for as low as £807. In contrast, the most expensive time of day to depart to Thailand is in the morning when prices are around £982.

Fly from London Gatwick to Phuket City for the best United Kingdom - Thailand flight prices

You are more likely to see cheaper flights to Thailand from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around £724 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from United Kingdom for as low as £693 on momondo.

There are 4 cabin classes available to choose from on United Kingdom to Thailand flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

China Eastern, Oman Air, and Air Arabia are the most popular carriers operating from United Kingdom to Thailand

Etihad Airways, Qatar Airways and Emirates are the top three most popular airlines that fly to Thailand from United Kingdom according to our data. Etihad Airways is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Thailand. Keep in mind that there are 44 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between United Kingdom and Thailand have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

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

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

According to our data, EVA Air have had the fewest delays on this route over the last 12 months, with about 4% of their flights experiencing any sort of delay.

As of September 2026, there are 9 flights per day flying from United Kingdom to Thailand. The most common time of day flights depart is 21:00, with 65% of flights taking off in the evening.

The number of flights available between United Kingdom and Thailand is 67 per week as of September 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.