Cheap flights from London to Singapore from £311

The cheapest month to fly to Singapore from London is in May. Flight prices, which tend to average around £533, are often lower during this time because this is during the off-season. If you are unable to visit Singapore during the month of May, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around £545.

Our data shows that Tuesday is the least expensive day to fly to Singapore. Tickets to fly out on this day can be as low as £871. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London to Singapore for around £945.

The cheapest time of day to fly to Singapore is in the afternoon when flights can be purchased for as low as £818. In contrast, the most expensive time of day to depart to Singapore is in the evening when prices are around £935.

Fly from London Gatwick to Singapore Changi for the best London - Singapore flight prices

You are more likely to see cheaper flights to Singapore from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around £653 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from London for as low as £573 on momondo.

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

China Eastern, Shenzhen Airlines, and Gulf Air are the most popular carriers operating from London to Singapore

Singapore Airlines, British Airways and Gulf Air are the top three most popular airlines that fly to Singapore from London according to our data. Singapore Airlines is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Singapore. Keep in mind that there are 24 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between London and Singapore have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

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

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

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

The number of flights available between London and Singapore is 36 per day as of March 2026. The most frequent departure time is 21:00, with 64% of daily flights leaving in the evening.

The number of flights available between London and Singapore is 252 per week as of March 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.