Cheap flights from London to Singapore from €339

The cheapest month to fly to Singapore from London is in November. Flight prices, which tend to average around €674, are often lower during this time because this is during the off-season. If you’re not able to fly to Singapore in November, then May is your next best option. Flight prices from London to Singapore during May average around €686.

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 €896. 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 Monday, with ticket prices averaging around €1,213.

The cheapest time of day to fly to Singapore is in the morning when flights can be purchased for as low as €990. In contrast, the most expensive time of day to depart to Singapore is in the evening when prices are around €1,213.

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 €781 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 €708 on momondo.

There are 3 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.

You could potentially save up to 26% on your flight if you consider stops on a London to Singapore flight.

As of August 2026, prices for London to Singapore flights are approximately 17% cheaper when compared to flights at the same time last year.

Historically, on average around 14% 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 112 minutes.

Generally, flights departing in the early afternoon 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. 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 11% of their flights experiencing any sort of delay.

As of August 2026, there are 1 flights per day flying from London to Singapore. The most common time of day flights depart is 22:00, with 57% of flights taking off in the evening.

As of August 2026, there are 12 flights per week flying from London to Singapore. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.