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Cheap flights from London Heathrow Airport to Singapore from $555

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
31 Mar — 7 Apr1
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 84 days in advance, depart on a Wednesday or Saturday and return on a Thursday

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 1 March 2026.

Sat 25/420:05
LHR
-
SIN
1 stop38h 05m
SWISS
Mon 11/523:25
SIN
-
LHR
2 stops21h 15m
SWISS
Deal found 28/2$950
Fri 20/311:45
LHR
-
SIN
1 stop20h 30m
Multiple Airlines
Wed 20/522:20
SIN
-
LHR
1 stop16h 35m
Multiple Airlines
Deal found 27/2$952
Thu 18/621:05
LHR
-
SIN
1 stop27h 40m
Air India
Sat 4/723:00
SIN
-
LHR
1 stop19h 30m
Air India
Deal found 28/2$955
Thu 23/420:05
LHR
-
SIN
1 stop38h 05m
SWISS
Wed 6/523:25
SIN
-
LHR
1 stop15h 30m
SWISS
Deal found 28/2$957
Thu 5/315:45
LHR
-
SIN
1 stop16h 30m
Multiple Airlines
Tue 10/322:50
SIN
-
LHR
1 stop17h 05m
Multiple Airlines
Deal found 28/2$958
Sun 19/422:05
LHR
-
SIN
1 stop20h 55m
Shenzhen Airlines
Sun 26/418:10
SIN
-
LHR
1 stop32h 40m
Shenzhen Airlines
Deal found 25/2$961
Wed 16/917:10
LHR
-
SIN
1 stop15h 30m
Multiple Airlines
Tue 22/910:50
SIN
-
LHR
1 stop17h 35m
Multiple Airlines
Deal found 28/2$965
Tue 21/422:15
LHR
-
SIN
1 stop19h 55m
Multiple Airlines
Mon 27/420:00
SIN
-
LHR
1 stop17h 55m
Multiple Airlines
Deal found 25/2$966
Wed 4/321:00
LHR
-
SIN
1 stop24h 25m
China Eastern
Mon 9/323:00
SIN
-
LHR
1 stop26h 30m
China Eastern
Deal found 28/2$971
Tue 3/321:00
LHR
-
SIN
1 stop34h 00m
China Eastern
Fri 12/618:25
SIN
-
LHR
1 stop31h 15m
China Eastern
Deal found 25/2$972
Thu 4/614:45
LHR
-
SIN
1 stop17h 55m
Multiple Airlines
Thu 16/722:20
SIN
-
LHR
1 stop16h 40m
Multiple Airlines
Deal found 27/2$973

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 1 March 2026.

Round-trip from

$950

One-way from

$555

Popular in

July

Cheapest in

May

Average price

$1,141

Good round-trip deal

$1,916 or less

Good one-way deal

$847 or less
SWISS
  • SWISS
  • 25/4-11/5
  • 3 total stops
  • 59h 20m total
  • London to Singapore
Search Deals
14/5
  • 14/5
  • 1 total stop
  • 19h 55m total
  • London to Singapore
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($209 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 1 March 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

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 11/3

21:00-11:40

2 stops30h 40m

Singapore Changi

Sat 4/4

00:55-18:40

1 stop24h 45m

$980

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 21/4

20:50-09:05

2 stops29h 15m

Singapore Changi

Mon 27/4

11:05-19:10

2 stops39h 05m

$1,141

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 14/4

14:25-17:10

2 stops19h 45m

Singapore Changi

Tue 21/4

23:05-07:55

1 stop15h 50m

$1,156

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 14/4

22:00-18:40

Nonstop13h 40m

Singapore Changi

Tue 21/4

23:20-06:35

Nonstop14h 15m

$1,157

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 13/4

20:50-11:25

2 stops31h 35m

Singapore Changi

Mon 20/4

21:15-19:10

2 stops52h 55m

$1,264

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 11/3

14:25-18:00

2 stops19h 35m

Singapore Changi

Tue 24/3

00:05-08:05

1 stop16h 00m

$1,355

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 12/3

18:40-15:55

Nonstop13h 15m

Singapore Changi

Mon 16/3

23:05-05:35

Nonstop14h 30m

$1,365

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 11/4

20:50-15:35

2 stops35h 45m

Singapore Changi

Sat 18/4

21:15-19:10

2 stops52h 55m

$1,377

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 11/3

18:40-15:55

Nonstop13h 15m

Singapore Changi

Sun 15/3

20:15-06:25

1 stop18h 10m

$1,377

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 23/3

18:40-15:55

Nonstop13h 15m

Singapore Changi

Thu 23/4

03:15-13:15

1 stop17h 00m

$1,503

Flights are sorted by cheapest return flights first.

Deals found on 27/2

Showing 1-10 of 20 resultsSorted by cheapest first
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 February 2026.

The best time to book flights from London Heathrow Airport to Singapore is 84 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 $747). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of $997). 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 March 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?

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 31 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 19h 45m. China Eastern provides one of the quickest options available for as low as $1,156. 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 Air Canada (97%), Croatia Airlines (91%) and Scandinavian Airlines (91%).

  • 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 $4,431, our data indicates the cheapest price to be $675. The most popular route (London Heathrow - Singapore Changi), is priced around $788.

  • 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 $747). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of $997). 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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