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Cheap flights from London Heathrow Airport to Singapore from $652

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
6 Jul — 13 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in May or March, booked 32 days in advance, depart on a Tuesday or Thursday 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 1 July 2025.

Round-trip from

$977

One-way from

$652

Popular in

July

Cheapest in

May

Average price

$1,799

Good round-trip deal

$1,855 or less

Good one-way deal

$1,446 or less
Lufthansa
  • Lufthansa
  • 15/9-23/9
  • 2 total stops
  • 47h 10m total
  • London to Singapore
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China Southern
  • China Southern
  • 6/9
  • 1 total stop
  • 18h 20m total
  • London to Singapore
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Highest demand for flights based on searches. 12% potential increase in price ($288 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 July 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 1 July 2025.

Mon 15/916:30LHR - SIN
1 stop16h 55mLufthansa
Tue 23/923:25SIN - LHR
1 stop30h 15mLufthansa
Deal found 1/7$977
Mon 10/1117:30LHR - SIN
1 stop15h 30mMultiple Airlines
Fri 14/1100:05SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 30/6$981
Wed 6/809:45LHR - SIN
1 stop26h 45mAir India
Tue 19/809:15SIN - LHR
1 stop18h 05mAir India
Deal found 30/6$1,020
Wed 15/1022:05LHR - SIN
1 stop21h 25mShenzhen Airlines
Sun 19/1012:55SIN - LHR
1 stop37h 55mShenzhen Airlines
Deal found 29/6$1,029
Sun 14/908:55LHR - SIN
2 stops25h 10mSWISS
Wed 24/923:20SIN - LHR
1 stop15h 35mSWISS
Deal found 1/7$1,035
Sun 14/919:35LHR - SIN
Nonstop13h 30mBritish Airways
Mon 29/923:20SIN - LHR
Nonstop14h 10mBritish Airways
Deal found 1/7$1,052
Tue 2/909:30LHR - SIN
1 stop17h 10mEtihad Airways
Thu 11/921:10SIN - LHR
1 stop16h 50mEtihad Airways
Deal found 30/6$1,078
Sun 12/1022:05LHR - SIN
1 stop31h 15mGulf Air
Mon 20/1020:00SIN - LHR
1 stop17h 55mGulf Air
Deal found 29/6$1,114

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 1 July 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

Mon 15/9

16:30-16:25

1 stop16h 55m

Singapore Changi

Tue 23/9

23:25-22:40

1 stop30h 15m

$977

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 10/11

17:30-17:00

1 stop15h 30m

Singapore Changi

Fri 14/11

00:05-08:05

1 stop16h 00m

$981

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 6/8

09:45-19:30

1 stop26h 45m

Singapore Changi

Tue 19/8

09:15-20:20

1 stop18h 05m

$1,020

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 15/10

22:05-02:30

1 stop21h 25m

Singapore Changi

Sat 18/10

03:30-20:00

1 stop23h 30m

$1,029

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 14/9

08:55-17:05

2 stops25h 10m

Singapore Changi

Tue 23/9

23:20-07:55

1 stop15h 35m

$1,035

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 14/9

19:35-16:05

Nonstop13h 30m

Singapore Changi

Mon 29/9

23:20-06:30

Nonstop14h 10m

$1,052

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 2/9

09:30-09:40

1 stop17h 10m

Singapore Changi

Thu 11/9

21:10-07:00

1 stop16h 50m

$1,078

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 12/10

22:05-12:20

1 stop31h 15m

Singapore Changi

Mon 20/10

20:00-06:55

1 stop17h 55m

$1,114

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 6/9

22:10-23:30

1 stop18h 20m

$652

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 11/11

16:40-17:25

1 stop16h 45m

$655

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 18 results
1
2

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 27 June 2025.

The best time to book flights from London Heathrow Airport to Singapore is 32 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 1 July 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 45% 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 1 July 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).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 1 July 2025.
See what other customers who have flown with Singapore Airlines, China Southern, andFinnair from London Heathrow Airport to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,320 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
China Southern
7.6
Good
100 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Finnair
7.6
Good
1,301 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
SWISS
7.5
Good
1,654 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

7.9

Food

7.7

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 cheapest airlines flying from London Heathrow Airport to Singapore round-trip?

    Lufthansa, at $977, was found to be the cheapest airline from London Heathrow Airport to Singapore.Alternate airlines to your destination round-trip include Air India and Shenzhen Airlines. Lufthansa is 26% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Singapore one-way?

    One-way options have recently been found by users for as low as $652 on China Southern. Other airlines that offer cheap prices include Lufthansa from $655 and Air India from $661 one-way.

  • 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 Qantas Airways (70%), American Airlines (70%) and Iberia (70%).

  • 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 $4,496, our data indicates the cheapest price to be $997. The most popular route (London Heathrow - Singapore Changi), is priced around $2,005.

  • 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.

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