Cheap flights from London to Singapore from €372

The cheapest month to fly to Singapore from London is in October. Flight prices, which tend to average around €656, are often lower during this time because this is during the off-season. If you’re not able to fly to Singapore in October, then September is your next best option. Flight prices from London to Singapore during September average around €673.

According to our data, Sunday is the cheapest day to fly to Singapore from London. The lowest ticket price found for a Sunday departure recently was €895. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Singapore is Wednesday, with ticket prices averaging around €1,273.

The cheapest time of day to fly to Singapore is in the morning when flights can be purchased for as low as €1,022. In contrast, the most expensive time of day to depart to Singapore is in the evening when prices are around €1,211.

Fly from London Heathrow to Singapore Changi for the best London - Singapore Changi 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 €754 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 €665 on momondo.

You could potentially save up to 25% on your flight if you consider stops on a London to Singapore flight.

As of May 2026, prices for London to Singapore flights are approximately 1% more expensive when compared to flights at the same time last year.

Historically, on average around 21% 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.