Cheap flights from London to Singapore from $637

In general, November is the cheapest month to fly from London to Singapore. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,007. If you aren’t able to travel during the month of November, then book flights to Singapore from London during May instead. Flights to Singapore in May, while not as cheap as those in November, still average around $1,027.

The cheapest day to depart on your flight to Singapore is on a Wednesday when prices can be found for as low as $2,088. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Singapore on Friday is $2,574.

At midday is the cheapest time of day to fly from London to Singapore when you can find flight prices for as low as $1,912. Flying to Singapore at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $4,194. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Gatwick 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 $1,298 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 $1,132 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 July 2026, prices for London to Singapore flights are approximately 21% cheaper when compared to flights at the same time last year.

Historically, on average around 15% 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 108 minutes.

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

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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.

Manama (BAH) was the most common stop: 63% of momondo users choosing one-stop flights on this route connected there.

Flights via Guangzhou (CAN) offer the lowest average return price of $2,811.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 15h 20m.

Zurich (ZRH) has the shortest average stopover time for this route: 1h 00m.

As of July 2026, 34 flights take off from London and land in Singapore each day. The most common flight departure time for this route is 22:00, with 61% of daily flights taking off in the evening.

As of July 2026, 240 flights take off from London and land in Singapore each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.