Cheap flights from Singapore to London from $345

The cheapest month to fly to London from Singapore is in April. Flight prices, which tend to average around $380, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Singapore averaging around $580.

The cheapest day to depart from Singapore to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $934. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,328. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Singapore in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,136 when looking at flights departing in the morning. Flights to London are more costly in the evening, with an average ticket price of $1,266. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $886 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Singapore for as low as $769 on momondo.

You could potentially save up to 18% on your flight if you consider stops on a Singapore to London flight.

As of May 2026, prices for Singapore to London flights are approximately 0% more expensive when compared to flights at the same time last year.

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

Singapore Airlines, Emirates and Qatar 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 45% of people opting to fly with this airline when traveling 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 15% 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 137 minutes.

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

Saturday is statistically the day of the week which experiences the fewest number of 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 least number of 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: 20% of momondo users choosing 1-stop flights on this route connected there.

Flights via Istanbul (IST) offer the lowest average round-trip price of $722.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 15h 53m.

Zurich (ZRH) has the shortest average layover time for this route: 1h 01m.

As of May 2026, there are 39 flights per day flying from Singapore to London. The most common time of day flights depart is 11:00PM, with 46% of flights taking off in the evening.

The number of flights available between Singapore and London is 279 per week as of May 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.