Cheap flights from London Heathrow Airport to Singapore from $618

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
27 Jun — 4 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in September or November, booked 61 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 28 May 2026.

Fri 12/622:05
LHR
-
SIN
1 stop20h 55m
Shenzhen Airlines
Sat 27/618:10
SIN
-
LHR
1 stop32h 50m
Shenzhen Airlines
Deal found 24/5$988
Sat 31/1021:10
LHR
-
SIN
1 stop36h 20m
Shenzhen Airlines
Fri 27/1118:30
SIN
-
LHR
1 stop32h 40m
Shenzhen Airlines
Deal found 25/5$989
Sat 3/1022:05
LHR
-
SIN
1 stop35h 35m
Shenzhen Airlines
Thu 22/1018:10
SIN
-
LHR
1 stop32h 50m
Shenzhen Airlines
Deal found 26/5$992
Wed 1/722:00
LHR
-
SIN
1 stop22h 10m
Hainan Airlines
Wed 15/704:40
SIN
-
LHR
1 stop21h 50m
Hainan Airlines
Deal found 25/5$1,042
Mon 9/1121:00
LHR
-
SIN
1 stop39h 25m
China Eastern
Sun 29/1100:25
SIN
-
LHR
1 stop25h 05m
China Eastern
Deal found 27/5$1,047
Thu 25/610:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Thu 2/720:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Deal found 28/5$1,049
Sat 3/1021:20
LHR
-
SIN
1 stop35h 25m
China Eastern
Mon 26/1023:00
SIN
-
LHR
1 stop26h 30m
China Eastern
Deal found 26/5$1,051
Sun 21/614:45
LHR
-
SIN
1 stop35h 55m
Etihad Airways
Sun 28/621:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Deal found 24/5$1,055
Fri 18/921:20
LHR
-
SIN
2 stops34h 05m
China Eastern
Tue 13/1000:55
SIN
-
LHR
1 stop24h 45m
China Eastern
Deal found 27/5$1,056
Tue 23/610:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Tue 7/720:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Deal found 25/5$1,068
Wed 10/610:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Mon 22/620:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Deal found 27/5$1,069
Thu 5/1121:50
LHR
-
SIN
1 stop31h 00m
Gulf Air
Wed 18/1120:00
SIN
-
LHR
1 stop26h 45m
Gulf Air
Deal found 28/5$1,070

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 28 May 2026.

Round-trip from

$988

One-way from

$618

Popular in

July

Cheapest in

September

Average price

$1,112

Good round-trip deal

$2,043 or less

Good one-way deal

$1,521 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 12/6-27/6
  • 2 total stops
  • 53h 45m total
  • London to Singapore
Hainan Airlines
  • Hainan Airlines
  • 18/9
  • 2 total stops
  • 22h 10m total
  • London to Singapore
Highest demand for flights based on searches. 11% potential increase in price ($225 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from London Heathrow to Singapore Changi.
Price to beat on a one-way flight from London Heathrow to Singapore Changi.

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 28 May 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
Fastest return journey

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 22/11

18:40-15:55

Nonstop13h 15m

Singapore Changi

Mon 30/11

23:15-05:55

Nonstop14h 40m

$1,405

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 31/8

19:20-20:50

1 stop18h 30m

Singapore Changi

Mon 14/9

23:20-06:35

Nonstop14h 15m

$1,412

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 23/11

14:25-18:05

2 stops19h 40m

Singapore Changi

Sat 5/12

00:05-13:40

2 stops21h 35m

$1,435

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 12/7

20:50-20:25

2 stops40h 35m

Singapore Changi

Sun 19/7

20:50-19:10

1 stop29h 20m

$1,541

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 10/8

20:50-15:35

2 stops35h 45m

Singapore Changi

Sun 13/9

20:50-06:30

1 stop16h 40m

$1,541

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 18/9

21:30-20:25

1 stop15h 55m

Singapore Changi

Thu 24/9

23:20-06:35

Nonstop14h 15m

$1,695

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 1/7

14:25-17:10

2 stops19h 45m

Singapore Changi

Wed 15/7

23:25-13:40

2 stops21h 15m

$1,716

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 8/8

08:25-19:50

1 stop28h 25m

Singapore Changi

Fri 21/8

20:50-06:30

1 stop16h 40m

$1,743

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 3/7

14:25-17:10

2 stops19h 45m

Singapore Changi

Tue 14/7

23:25-13:40

2 stops21h 15m

$1,868

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 15/11

11:00-12:25

1 stop17h 25m

Singapore Changi

Thu 19/11

13:15-07:15

2 stops26h 00m

$1,981

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 24 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 60 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,087). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of $1,653). 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 28 May 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 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 13h 15m. British Airways provides one of the quickest options available for as low as $1,405. 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 Qantas Airways (97%), Air Canada (95%) and Scandinavian Airlines (92%).

  • 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 $4,853, our data indicates the cheapest price to be $1,040. The most popular route (London Heathrow - Singapore Changi), is priced around $1,335.

  • 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,087). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of $1,653). 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?

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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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