Cheap flights from Singapore to London from $324

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Singapore, with most prices found around $788. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Singapore to London Heathrow Airport during January average around $809.

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $980. The most expensive day to fly to London Heathrow Airport is Thursday, with ticket prices averaging around $1,367.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Singapore to London Heathrow Airport in the morning for as low as $1,065. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,175.

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 $906 when searching weeks out. 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 $856 on momondo.

There are 4 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 8% 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 and Emirates are the most popular carriers operating from Singapore Changi to London Heathrow

British Airways, Singapore Airlines and Emirates are the top three most popular airlines that fly to London Heathrow Airport from Singapore according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 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 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. Friday 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 5% of their flights experiencing any sort of delay.

Dubai (DXB) was the most common stop: 23% of momondo users choosing 1-stop flights on this route connected there.

Flights via Muscat (MCT) offer the lowest average round-trip price of $609.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 16h 00m.

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

As of October 2026, there are 35 flights per day flying from Singapore to London Heathrow Airport. The most common time of day flights depart is 11:00PM, with 37% of flights taking off in the evening.

The number of flights available between Singapore and London Heathrow Airport is 249 per week as of October 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.