Cheap flights from Singapore to London from $453

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Singapore, with most prices found around $1,122. If you aren’t able to travel during the month of February, then book flights to London Heathrow Airport from Singapore during January instead. Flights to London Heathrow Airport in January, while not as cheap as those in February, still average around $1,160.

Our data shows that Saturday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,427. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to London Heathrow Airport for around $1,554.

In the evening is the cheapest time of day to fly from Singapore to London Heathrow Airport when you can find flight prices for as low as $1,460. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the morning when prices are around $1,477.

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

You are more likely to see cheaper flights to London Heathrow Airport from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,289 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Singapore for as low as $1,201 on momondo.

There are 3 cabin classes available to choose from on Singapore to London Heathrow Airport 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 37% on your flight if you consider stops on a Singapore to London Heathrow Airport flight.

As of October 2026, prices for Singapore to London Heathrow Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

Austrian Airlines is the most popular carrier operating from Singapore Changi to London Heathrow

Singapore Airlines, Emirates and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Singapore according to our data. Singapore Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% 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 141 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.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 5% of their flights experiencing any sort of delay.

Doha (DOH) was the most common stop: 20% of momondo users choosing one-stop flights on this route connected there.

Flights via Istanbul (IST) offer the lowest average return price of $3,784.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 15h 40m.

Zurich (ZRH) has the shortest average stopover time for this route: 1h 32m.

As of October 2026, 17 flights take off from Singapore and land in London Heathrow Airport each day. The most common flight departure time for this route is 23:00, with 40% of daily flights taking off in the evening.

As of October 2026, 120 flights take off from Singapore and land in London Heathrow Airport each week. The most common flight departure day for this route is Wed, with 31% of weekly flights taking off on this day.