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Cheap flights from London Heathrow Airport to Singapore from $634

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 Monday and return on a Monday

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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 7 November 2025.

Thu 4/1218:40LHR - SIN
1 stop15h 20mMultiple Airlines
Mon 4/523:25SIN - LHR
1 stop15h 50mMultiple Airlines
Deal found 6/11$959
Thu 4/1218:40LHR - SIN
1 stop15h 20mMultiple Airlines
Sun 14/1223:55SIN - LHR
1 stop16h 50mMultiple Airlines
Deal found 6/11$989
Thu 4/1218:40LHR - SIN
1 stop15h 20mMultiple Airlines
Tue 5/523:40SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 6/11$991
Thu 4/1218:40LHR - SIN
1 stop15h 20mSWISS
Mon 8/1200:05SIN - LHR
1 stop16h 00mSWISS
Deal found 5/11$993
Sat 6/1218:40LHR - SIN
1 stop15h 20mMultiple Airlines
Tue 16/1223:45SIN - LHR
1 stop16h 20mMultiple Airlines
Deal found 6/11$1,017
Thu 27/1118:40LHR - SIN
1 stop15h 20mMultiple Airlines
Tue 2/1223:45SIN - LHR
1 stop16h 20mMultiple Airlines
Deal found 5/11$1,019
Tue 2/1221:50LHR - SIN
1 stop30h 40mGulf Air
Thu 11/1220:25SIN - LHR
1 stop26h 20mGulf Air
Deal found 6/11$1,020
Tue 2/1221:50LHR - SIN
1 stop30h 40mGulf Air
Mon 4/520:00SIN - LHR
1 stop17h 55mGulf Air
Deal found 5/11$1,023
Thu 4/1217:10LHR - SIN
1 stop16h 50mSWISS
Wed 10/1200:05SIN - LHR
1 stop16h 00mSWISS
Deal found 6/11$1,033
Sat 6/1218:40LHR - SIN
1 stop15h 20mSWISS
Wed 10/1200:05SIN - LHR
1 stop16h 00mSWISS
Deal found 5/11$1,039
Wed 3/1214:25LHR - SIN
2 stops19h 35mSWISS
Tue 9/1200:05SIN - LHR
1 stop16h 00mSWISS
Deal found 5/11$1,043

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 7 November 2025.

Round-trip from

$959

One-way from

$634

Popular in

July

Cheapest in

May

Average price

$1,166

Good round-trip deal

$2,049 or less

Good one-way deal

$1,645 or less
Lufthansa
  • Lufthansa
  • 4/12-4/5
  • 2 total stops
  • 31h 10m total
  • London to Singapore
Search Deals
7/4
  • 7/4
  • 1 total stop
  • 20h 55m total
  • London to Singapore
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($274 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($68 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Singapore Changi.
Search Deals
Price to beat on a one-way flight from London Heathrow to Singapore Changi.
Search Deals

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 7 November 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

Fri 6/3

08:50-09:35

1 stop16h 45m

Singapore Changi

Mon 23/3

19:25-12:05

1 stop24h 40m

$1,016

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 23/11

10:20-18:40

1 stop24h 20m

Singapore Changi

Sun 30/11

22:05-20:40

1 stop30h 35m

$1,080

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 4/12

20:05-18:00

1 stop37h 55m

Singapore Changi

Wed 10/12

00:05-13:40

2 stops21h 35m

$1,093

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 28/11

14:25-18:00

2 stops19h 35m

Singapore Changi

Thu 4/12

00:05-13:40

2 stops21h 35m

$1,151

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 20/3

17:50-17:25

1 stop15h 35m

Singapore Changi

Fri 27/3

00:05-08:05

1 stop16h 00m

$1,283

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 3/4

07:30-18:30

1 stop28h 00m

Singapore Changi

Wed 22/4

21:35-20:40

1 stop30h 05m

$1,297

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 26/11

21:45-19:00

Nonstop13h 15m

Singapore Changi

Tue 9/12

23:25-05:55

Nonstop14h 30m

$1,362

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 26/11

18:40-15:55

Nonstop13h 15m

Singapore Changi

Tue 9/12

23:15-05:55

Nonstop14h 40m

$1,396

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 22/3

16:35-03:20

1 stop26h 45m

Singapore Changi

Thu 9/4

01:50-21:10

1 stop26h 20m

$1,403

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 12/1

18:40-15:55

Nonstop13h 15m

Singapore Changi

Sun 8/2

03:15-13:20

1 stop18h 05m

$1,483

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 22 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 31 October 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 $825). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of $1,153). 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 7 November 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Singapore as you normally would.

How much does it cost for a return flight from London Heathrow Airport to Singapore?

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 34 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.

  • How long is the flight from London Heathrow Airport to Singapore?

    A quick flight from London Heathrow Airport to Singapore can take about 16h 45m. Etihad Airways provides one of the quickest options available for as low as $1,016. The distance between London Heathrow Airport and Singapore is about 10874 km. This flight may include one or multiple stops.

  • 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 Croatia Airlines (92%), Air Canada (87%) and Garuda Indonesia (85%).

  • 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 $5,999, our data indicates the cheapest price to be $1,403. The most popular route (London Heathrow - Singapore Changi), is priced around $866.

  • 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 $825). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of $1,153). 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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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Singapore?

Cheapflights helps you find that perfect flight to Singapore from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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