Can I get a flight from London Heathrow Airport to Singapore on British Airways for under £807?

10 British Airways flights from LHR to SIN have recently been found on Cheapflights for under £807. Click here to find the best deals to Singapore for your desired dates.

How far ahead should I book a flight from London Heathrow Airport to Singapore with British Airways?

Booking with British Airways 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Singapore with British Airways?

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Singapore in September, with an average price of £645. Conversely, traveling with British Airways from London Heathrow Airport to Singapore in July will be the most expensive, with an average cost of £1,161. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London Heathrow Airport to Singapore

The most British Airways flights from LHR to SIN are scheduled on a Wednesday (2 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

£555+ British Airways Flights from Heathrow to Singapore

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Cheapest British Airways flights from Heathrow to Singapore
Explore the most affordable British Airways flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 21 August 2026.

Tue 8/919:25 -

Nonstop13h 45m

Tue 15/923:25 -

Nonstop14h 10m

Deal found 18/8£555

Mon 7/919:25 -

Nonstop13h 45m

Wed 16/923:25 -

Nonstop14h 10m

Deal found 18/8£556

Mon 7/922:00 -

Nonstop13h 40m

Tue 15/923:25 -

Nonstop14h 10m

Deal found 18/8£557

Can I get a flight from London Heathrow Airport to Singapore on British Airways for under £807?
10 British Airways flights from LHR to SIN have recently been found on Cheapflights for under £807. Click here to find the best deals to Singapore for your desired dates.

British Airways flights from Heathrow to Singapore in 2026

One-way from	£668
Return from	£555
Popular in	December
Cheapest in	November
Average price (all airlines)	£793

British Airways
28/8
Nonstop
13h 40m total
London to Singapore

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British Airways
8/9-15/9
Nonstop
27h 55m total
London to Singapore

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Highest demand for flights from London Heathrow to Singapore Changi; 2% potential price increase.

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Best time to find cheap flights from London Heathrow to Singapore Changi; 2% potential price drop.

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Average price for all London Heathrow to Singapore Changi flights (one-way and round-trip).

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The best time to book a flight to Singapore with British Airways is 37 days before departure. On average, fares are higher if you book 21 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Singapore?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are July and June.

Best time to book a flight from Heathrow to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Heathrow with our price prediction graph.

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British Airways flights from London Heathrow Airport to Singapore (LHR - SIN)

Find British Airways flight deals from Heathrow to Singapore

Cheapest British Airways flights from Heathrow to SingaporeExplore the most affordable British Airways flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 21 August 2026.

Explore the most affordable British Airways flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 21 August 2026.

Best British Airways flights from Heathrow to SingaporeDiscover carefully curated British Airways flight deals from Heathrow to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated British Airways flight deals from Heathrow to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct British Airways flights from Heathrow to SingaporeExplore direct British Airways flight options from Heathrow to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Explore direct British Airways flight options from Heathrow to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute British Airways flights from Heathrow to SingaporeDiscover last-minute British Airways flight deals from Heathrow to Singapore. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute British Airways flight deals from Heathrow to Singapore. Data last updated 21 August 2026 and is based on user searches.

One-way British Airways flights to SingaporeSearch for one-way British Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way British Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Can I get a flight from London Heathrow Airport to Singapore on British Airways for under £807?

British Airways flights from Heathrow to Singapore in 2026

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Popular in

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Average price (all airlines)

When is the best time to book a flight to Singapore with British Airways?

The best time to book a flight to Singapore with British Airways is 37 days before departure. On average, fares are higher if you book 21 days before departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Singapore?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are July and June.

Weekly British Airways flight availability from London Heathrow Airport to Singapore

The most British Airways flights from LHR to SIN are scheduled on a Wednesday (2 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Singapore by month

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

Best time to book a flight from Heathrow to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Heathrow with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Singapore on another airline

Consider alternative airlines that service the Singapore area. Flight routes are based on user searches made on Cheapflights and were last updated on 21 August 2026.

Other British Airways flights from Heathrow

Browse through other British Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 21 August 2026.

Complete your trip

Complete your trip to Singapore by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Singapore

Choose from other airlines serving Heathrow and Singapore.

Other popular destinations in Asia

If Singapore is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 21 August 2026.

Popular flights with British Airways

Browse through some of the most popular routes that British Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2026.

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Cheapest British Airways flights from Heathrow to Singapore
Explore the most affordable British Airways flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 21 August 2026.

Best British Airways flights from Heathrow to Singapore
Discover carefully curated British Airways flight deals from Heathrow to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Direct British Airways flights from Heathrow to Singapore
Explore direct British Airways flight options from Heathrow to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 August 2026.

Last-minute British Airways flights from Heathrow to Singapore
Discover last-minute British Airways flight deals from Heathrow to Singapore. Data last updated 21 August 2026 and is based on user searches.

One-way British Airways flights to Singapore
Search for one-way British Airways flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.