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Cheap flights from London to Singapore from ₹ 42,971

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SIN
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Singapore Changi are usually found in September or November, booked 40 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from London to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from London to Singapore
Explore the most affordable flight options available from London to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Wed 5/821:20
LHR
-
SIN
1 stop35h 25m
China Eastern
Wed 12/816:55
SIN
-
LHR
1 stop32h 45m
China Eastern
Deal found 14/7₹ 76,404
Thu 10/907:30
LHR
-
SIN
1 stop28h 00m
Finnair
Thu 24/921:35
SIN
-
LHR
1 stop18h 35m
Finnair
Deal found 15/7₹ 76,693
Thu 1/1010:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Sun 4/1020:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Deal found 15/7₹ 76,885
Mon 31/822:05
LHR
-
SIN
1 stop20h 55m
Shenzhen Airlines
Sat 26/913:30
SIN
-
LHR
1 stop37h 30m
Shenzhen Airlines
Deal found 15/7₹ 76,982
Tue 15/919:25
LHR
-
SIN
Nonstop13h 45m
British Airways
Tue 29/923:25
SIN
-
LHR
Nonstop14h 10m
British Airways
Deal found 16/7₹ 77,078
Sun 6/922:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Sat 19/923:25
SIN
-
LHR
Nonstop14h 10m
British Airways
Deal found 16/7₹ 77,271
Tue 3/1121:50
LHR
-
SIN
1 stop31h 00m
Gulf Air
Fri 20/1120:00
SIN
-
LHR
1 stop26h 45m
Gulf Air
Deal found 16/7₹ 77,367
Sun 1/1118:45
LHR
-
SIN
Nonstop13h 20m
British Airways
Thu 19/1123:15
SIN
-
LHR
Nonstop14h 30m
British Airways
Deal found 16/7₹ 77,463
Sun 4/1019:25
LHR
-
SIN
Nonstop13h 45m
British Airways
Mon 19/1023:25
SIN
-
LHR
Nonstop14h 10m
British Airways
Deal found 17/7₹ 77,560
Fri 9/1010:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Sun 18/1020:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Deal found 13/7₹ 77,656

Find flight deals from London to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 18 July 2026.

Round-trip from

₹ 76,404

One-way from

₹ 42,971

Popular in

December

Cheapest in

September

Average price

₹ 109,065
China Eastern
  • China Eastern
  • 5/8-12/8
  • 2 total stops
  • 68h 10m total
  • London to Singapore
Search Deals
China Eastern
  • China Eastern
  • 8/9
  • 3 total stops
  • 31h 20m total
  • London to Singapore
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (₹ 163,936 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 229,065 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 454,620 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from London to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 11/11

20:10-17:40

Nonstop13h 30m

Singapore Changi

Sun 15/11

23:35-06:15

Nonstop14h 40m

₹ 85,268
Fastest return journey

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 15/9

19:25-16:10

Nonstop13h 45m

Singapore Changi

Tue 22/9

23:25-06:35

Nonstop14h 10m

₹ 88,929

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 20/10

19:25-16:10

Nonstop13h 45m

Singapore Changi

Wed 28/10

23:15-05:45

Nonstop14h 30m

₹ 95,769

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 12/11

18:45-16:05

Nonstop13h 20m

Singapore Changi

Thu 19/11

19:30-05:20

1 stop17h 50m

₹ 95,962

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 9/11

19:25-22:20

2 stops18h 55m

Singapore Changi

Mon 23/11

09:15-21:40

2 stops20h 25m

₹ 96,733

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 15/11

17:05-18:35

2 stops17h 30m

Singapore Changi

Sun 22/11

21:20-09:00

2 stops19h 40m

₹ 99,623

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 3/10

19:30-21:55

2 stops19h 25m

Singapore Changi

Sun 18/10

20:50-11:25

2 stops21h 35m

₹ 106,271

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 23/8

21:30-17:30

1 stop37h 00m

Singapore Changi

Sun 6/9

03:15-13:15

1 stop17h 00m

₹ 112,823

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 28/7

20:50-18:15

2 stops38h 25m

Singapore Changi

Fri 7/8

20:50-06:30

1 stop16h 40m

₹ 115,617

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 8/8

22:05-12:20

1 stop31h 15m

Singapore Changi

Fri 28/8

21:00-19:50

1 stop29h 50m

₹ 116,292

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from London to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from London 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 to Singapore

What is the cheapest month to book a flight from London to Singapore?

Currently, September is the cheapest month in which you can book a flight from London to Singapore (average of ₹ 75,151). Flying from London to Singapore in December is currently the most expensive (average of ₹ 112,438). 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 LON to SIN?

Find hourly flight availability from London 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 18 July 2026.

A simple way to save on the total cost of your ticket is to fly from London to Singapore in the morning. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from London to Singapore

Explore weekly flight availability from London 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 18 July 2026.

The most flights from LON to SIN are scheduled on a Wednesday (39 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 on average).

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

How often are flights from London to Singapore delayed?

About 15% of weekly flights between London and Singapore have experienced delays in the past year, with the average delay time being 108 minutes.

What is the most punctual flight time for London to Singapore flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Singapore flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from London to Singapore?

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    For a flight from London to Singapore, you will be flying into Changi. Singapore Changi (SIN) is just 16.9 km from the centre vof the city. Changi is the only Singapore airport and it handles 36 inbound flights from London per day. 0 airlines have flights to Singapore Changi from London on a regular basis.

  • How long is the flight from London to Singapore?

    Departing from London to Singapore will take you 17h 30m. Airlines will cover a distance of 10874 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from London to Singapore?

    Before booking your flight to Singapore from London, have a look at the most reliable airlines to get you to your destination on time: Croatia Airlines (92%), Avianca (91%), American Airlines( 90%).

  • Can I find deals for flights from London to Singapore that include hotel bookings?

    Yes. In addition to deals on London to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Singapore.

  • Can I find deals for business class flights from London to Singapore?

    Yes. Cheapflights offers flight deals from London 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 to Singapore?

    Currently, September is the cheapest month in which you can book a flight from London to Singapore (average of ₹ 75,151). Flying from London to Singapore in December is currently the most expensive (average of ₹ 112,438). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Singapore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Singapore?

Deals for London to Singapore flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Singapore?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Singapore.

Can Cheapflights find flights from London to Singapore with no change fees?

Need flexible booking options for your flight to Singapore from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from London 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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