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Cheap flights from London Heathrow Airport to Singapore from $654

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in November or January, booked 67 days in advance, depart on a Wednesday or Sunday and return on a Saturday

Cheap flight deals from Heathrow to Singapore

Enter your travel dates to find the best prices.

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 29 July 2026.

Fri 9/1010:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Mon 19/1020:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Deal found 27/7$1,112
Fri 13/1109:30
LHR
-
SIN
1 stop19h 20m
Gulf Air
Mon 14/1220:00
SIN
-
LHR
1 stop18h 35m
Gulf Air
Deal found 28/7$1,114
Thu 24/906:40
LHR
-
SIN
2 stops32h 15m
Multiple Airlines
Sun 27/910:25
SIN
-
LHR
1 stop17h 40m
Multiple Airlines
Deal found 27/7$1,118
Wed 4/1117:05
LHR
-
SIN
2 stops17h 30m
KLM
Mon 9/1121:20
SIN
-
LHR
2 stops18h 20m
KLM
Deal found 28/7$1,120
Sat 28/1117:10
LHR
-
SIN
1 stop16h 55m
Multiple Airlines
Mon 7/1223:55
SIN
-
LHR
1 stop16h 50m
Multiple Airlines
Deal found 27/7$1,122
Sun 20/921:20
LHR
-
SIN
1 stop25h 05m
China Eastern
Wed 28/1000:25
SIN
-
LHR
1 stop25h 05m
China Eastern
Deal found 27/7$1,131
Tue 3/1121:00
LHR
-
SIN
1 stop34h 00m
China Eastern
Thu 19/1100:25
SIN
-
LHR
1 stop25h 05m
China Eastern
Deal found 25/7$1,132
Thu 15/1010:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Mon 26/1020:00
SIN
-
LHR
1 stop26h 45m
Gulf Air
Deal found 29/7$1,134
Wed 7/1016:25
LHR
-
SIN
1 stop17h 10m
Lufthansa
Wed 18/1123:45
SIN
-
LHR
1 stop16h 20m
Lufthansa
Deal found 27/7$1,138
Sat 12/922:05
LHR
-
SIN
1 stop36h 55m
Shenzhen Airlines
Fri 25/903:00
SIN
-
LHR
1 stop23h 50m
Shenzhen Airlines
Deal found 29/7$1,140
Thu 8/1022:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Fri 16/1020:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Deal found 27/7$1,141
Mon 5/1022:05
LHR
-
SIN
1 stop20h 55m
Shenzhen Airlines
Wed 14/1003:00
SIN
-
LHR
1 stop23h 50m
Shenzhen Airlines
Deal found 27/7$1,142

Find 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 29 July 2026.

Round-trip from

$1,112

One-way from

$654

Popular in

December

Cheapest in

November

Average price

$1,542

Good round-trip deal

$2,056 or less

Good one-way deal

$1,589 or less
Gulf Air
  • Gulf Air
  • 9/10-17/11
  • 2 total stops
  • 38h 20m total
  • London to Singapore
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 15/1
  • 1 total stop
  • 36h 05m total
  • London to Singapore
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 29 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 26/9

19:25-16:10

Nonstop13h 45m

Singapore Changi

Mon 28/9

23:25-06:35

Nonstop14h 10m

$1,419

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 31/10

21:10-20:35

1 stop15h 25m

Singapore Changi

Sun 15/11

23:15-05:45

Nonstop14h 30m

$1,431

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 4/10

19:25-16:10

Nonstop13h 45m

Singapore Changi

Sun 18/10

19:15-05:25

1 stop17h 10m

$1,433

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 4/11

18:45-16:05

Nonstop13h 20m

Singapore Changi

Sun 8/11

19:30-05:20

1 stop17h 50m

$1,482

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 25/9

19:25-16:10

Nonstop13h 45m

Singapore Changi

Tue 29/9

23:25-06:35

Nonstop14h 10m

$1,497

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 12/9

21:55-21:15

1 stop16h 20m

Singapore Changi

Sat 19/9

23:25-06:35

Nonstop14h 10m

$1,573
Fastest return journey

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 5/9

22:00-18:40

Nonstop13h 40m

Singapore Changi

Thu 10/9

23:25-06:35

Nonstop14h 10m

$1,647

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 7/9

20:50-00:10

2 stops20h 20m

Singapore Changi

Mon 14/9

09:35-19:10

2 stops40h 35m

$1,727

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 9/10

21:20-11:40

3 stops31h 20m

Singapore Changi

Tue 20/10

00:55-18:40

2 stops48h 45m

$1,745

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 11/9

20:50-12:55

2 stops33h 05m

Singapore Changi

Mon 14/9

18:15-19:10

2 stops31h 55m

$1,852

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

The best time to book flights from London Heathrow Airport to Singapore is 66 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,150). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,686). 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 29 July 2026.

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?

Airfare is below average for this route at the moment.

London Heathrow Airport to Singapore flights typically cost between $1,312 and $1,770 in October.
The cheapest return price found within the last 5 days was $1,112 on Gulf Air (9 Oct–17 Nov).

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 36 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 13h 45m. British Airways provides one of the quickest options available for as low as $1,319. The distance between London Heathrow Airport and Singapore is about 10874 km. All flights are typically direct.

  • 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%), Avianca (91%) and American Airlines (90%).

  • 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 $4,195, our data indicates the cheapest price to be $1,453. The most popular route (London Heathrow - Singapore Changi), is priced around $821.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,150). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,686). 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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How does Cheapflights help users find flights from Heathrow to Singapore?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Singapore. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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.

Can Cheapflights notify me if prices for flights from Heathrow to Singapore become cheaper?

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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