Cheap flights from London Heathrow Airport to Singapore from $363

The month of January is, on average, the cheapest month to fly to Singapore from London Heathrow Airport, with most prices found around $817. If you aren’t able to travel to Singapore during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $846.

The cheapest day to depart from London Heathrow Airport to Singapore is on a Monday when prices can be found for as low as $1,142. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $1,379.

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Singapore when you can find flight prices for as low as $1,026. Flying to Singapore in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,355 on average. Flights to Singapore from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Singapore from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $938 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from London Heathrow Airport for as low as $815 on momondo.

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

As of October 2026, prices for London Heathrow Airport to Singapore flights are approximately 1% cheaper when compared to flights at the same time last year.

Historically, on average around 12% 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 113 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.

Sunday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

As of October 2026, 36 flights take off from London Heathrow Airport and land in Singapore each day. The most common flight departure time for this route is 10:00PM, with 61% of daily flights taking off in the evening.

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