Cheap flights from Singapore to London from £249

The cheapest month to fly to London from Singapore is in May. Flight prices, which tend to average around £559, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Singapore averaging around £565.

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £715. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to London for around £1,055.

The cheapest time of day to fly to London is in the morning when flights can be purchased for as low as £746. Flights in the evening are often more expensive, with an average ticket price of £765.

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

You are more likely to see cheaper flights to London from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £659 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Singapore for as low as £595 on momondo.

There are 4 cabin classes available to choose from on Singapore Changi to London 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 6% on your flight if you consider stops on a Singapore to London flight.

As of March 2026, prices for Singapore to London flights are approximately 14% more expensive when compared to flights at the same time last year.

China Eastern, Emirates, and Oman Air are the most popular carriers operating from Singapore Changi to London

Singapore Airlines, British Airways and Qantas Airways are the top three most popular airlines that fly to London from Singapore according to our data. Singapore Airlines is the first choice among our users, with 38% of people opting to fly with this airline when travelling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Singapore and London have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

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

Wednesday 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, British Airways have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

Dubai (DXB) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Flights via Manama (BAH) offer the lowest average return price of £431.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 15h 37m.

Zurich (ZRH) has the shortest average stopover time for this route: 1h 02m.

39 flights are operational daily from Singapore to London as of March 2026. The most popular departure time for this route is 23:00, with 46% of flights per day taking off in the evening.

275 flights are operational weekly from Singapore to London as of March 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.