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Cheap flights from London Heathrow Airport to Singapore from $653

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in May or September, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2025.

Round-trip from

$997

One-way from

$653

Popular in

July

Cheapest in

May

Average price

$1,564

Good round-trip deal

$2,124 or less

Good one-way deal

$1,419 or less
SWISS
  • SWISS
  • 3/11-11/11
  • 2 total stops
  • 32h 45m total
  • London to Singapore
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Air India
  • Air India
  • 19/8
  • 1 total stop
  • 28h 05m total
  • London to Singapore
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Highest demand for flights based on searches. 11% potential increase in price ($275 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($67 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from London Heathrow to Singapore Changi.
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Price to beat on a one-way flight from London Heathrow to Singapore Changi.
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Find flight deals from Heathrow to Singapore

Cheapest flights from Heathrow to Singapore
Explore the most affordable flight options available from Heathrow to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Mon 3/1116:40LHR - SIN
1 stop16h 45mMultiple Airlines
Tue 11/1100:05SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 14/8$997
Mon 6/1017:50LHR - SIN
1 stop15h 50mMultiple Airlines
Sun 26/1000:05SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 13/8$998
Mon 8/1215:30LHR - SIN
1 stop17h 25mLufthansa
Tue 30/1223:45SIN - LHR
1 stop16h 20mLufthansa
Deal found 12/8$1,000
Sun 14/907:25LHR - SIN
1 stop26h 15mLufthansa
Mon 29/923:40SIN - LHR
1 stop16h 00mLufthansa
Deal found 13/8$1,001
Thu 11/909:30LHR - SIN
1 stop17h 10mEtihad Airways
Mon 22/921:10SIN - LHR
1 stop25h 05mEtihad Airways
Deal found 12/8$1,004
Tue 2/920:55LHR - SIN
1 stop29h 45mEtihad Airways
Mon 15/921:10SIN - LHR
1 stop25h 05mEtihad Airways
Deal found 11/8$1,006
Sat 15/1117:10LHR - SIN
1 stop16h 50mMultiple Airlines
Mon 8/1223:55SIN - LHR
1 stop16h 50mMultiple Airlines
Deal found 12/8$1,011
Mon 8/909:30LHR - SIN
1 stop17h 10mEtihad Airways
Wed 17/921:10SIN - LHR
1 stop16h 50mEtihad Airways
Deal found 14/8$1,012
Mon 27/1017:30LHR - SIN
1 stop15h 25mMultiple Airlines
Thu 6/1100:05SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 13/8$1,014
Tue 16/907:00LHR - SIN
2 stops27h 05mSWISS
Wed 1/1023:20SIN - LHR
1 stop15h 35mSWISS
Deal found 12/8$1,021
Mon 10/1118:40LHR - SIN
1 stop15h 20mSWISS
Sun 16/1100:05SIN - LHR
2 stops26h 35mSWISS
Deal found 13/8$1,023
Mon 15/922:05LHR - SIN
1 stop30h 50mShenzhen Airlines
Fri 26/912:55SIN - LHR
1 stop37h 55mShenzhen Airlines
Deal found 12/8$1,029

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Singapore that are best for you.

Fly from

Heathrow

Fly to

Singapore

Route

Depart

Return

Price

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 7/9

21:45-09:40

1 stop28h 55m

Singapore Changi

Tue 16/9

21:10-07:00

1 stop16h 50m

$1,006

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 1/9

20:55-09:40

1 stop29h 45m

Singapore Changi

Tue 16/9

21:10-15:15

1 stop25h 05m

$1,006

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 4/9

21:45-09:40

1 stop28h 55m

Singapore Changi

Tue 16/9

21:10-15:15

1 stop25h 05m

$1,006

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 7/9

21:45-09:40

1 stop28h 55m

Singapore Changi

Mon 29/9

21:10-15:15

1 stop25h 05m

$1,012

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 9/9

21:45-09:40

1 stop28h 55m

Singapore Changi

Tue 30/9

21:10-07:00

1 stop16h 50m

$1,012

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 16/9

12:10-17:05

1 stop21h 55m

Singapore Changi

Thu 2/10

23:20-21:30

2 stops29h 10m

$1,021

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 16/9

18:40-17:05

1 stop15h 25m

Singapore Changi

Wed 1/10

23:20-16:35

2 stops24h 15m

$1,021

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 23/9

07:00-17:05

2 stops27h 05m

Singapore Changi

Tue 30/9

23:20-07:55

1 stop15h 35m

$1,023

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 7/9

22:05-11:55

1 stop30h 50m

Singapore Changi

Sun 14/9

03:30-19:50

1 stop23h 20m

$1,030

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 5/9

22:05-16:40

1 stop35h 35m

Singapore Changi

Thu 11/9

03:30-20:00

1 stop23h 30m

$1,030

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 23 results
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Singapore

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Singapore. Price data was last updated on 8 August 2025.

The best time to book flights from London Heathrow Airport to Singapore is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $355). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $752). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to SIN?

Find hourly flight availability from Heathrow to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 43% on flights from London Heathrow Airport to Singapore by exploring options for tickets at midday.

Weekly flight availability from London Heathrow Airport to Singapore

Explore weekly flight availability from Heathrow to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 August 2025.

The most flights from LHR to SIN are scheduled on a Monday (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (37 on average).

What’s the top stopover airport for flights from London Heathrow Airport to Singapore?

Share of one-stop return flights from London Heathrow Airport to Singapore chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Manama (BAH) – chosen by Cheapflights users on 22% of one-stop itineraries from London Heathrow Airport to Singapore on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Singapore?

Average return fare for one-stop flights from London Heathrow Airport to Singapore, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Chengdu (TFU) is the most affordable one-stop option, with an average return flight price of $949.

What’s the fastest stopover option from London Heathrow Airport to Singapore?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 16h 30m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Singapore?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Beijing (PEK) offer the fastest connection on this route, with an average stopover time of 1h 43m.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Singapore from London Heathrow?

    Singapore Changi (SIN) is the airport you will fly into if you book a flight from London Heathrow to Singapore. You should not have trouble finding flights to Changi from London Heathrow; the airport handles an average of 37 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Singapore airport from London Heathrow. It is only a 16.9 km journey from Changi (SIN) to Singapore’s city centre.

  • What are the most reliable airlines from London Heathrow Airport to Singapore?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Singapore are Air Canada (85%), Croatia Airlines (85%) and Garuda Indonesia (77%).

  • What are the cheapest flights from London Heathrow Airport to Singapore?

    Looking for the cheapest flight from London Heathrow Airport to Singapore? While on average our users pay $5,963, our data indicates the cheapest price to be $1,146. The most popular route (London Heathrow - Singapore Changi), is priced around $1,103.

  • Can I find deals for flights from Heathrow to Singapore that include hotel bookings?

    Yes. In addition to deals on Heathrow to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Singapore.

  • Can I find deals for business class flights from Heathrow to Singapore?

    Yes. Cheapflights offers flight deals from Heathrow to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Singapore?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $355). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $752). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Can Cheapflights find flights from Heathrow to Singapore with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Singapore with no change fees.

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Of course! You can now track prices for flights from Heathrow to Singapore and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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