Cheap flights from London Heathrow Airport to Singapore from £284

LHR — SIN
21 Sep — 28 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Singapore

Sun 6/922:10 -
1 stop18h 20m
Wed 16/908:45 -
1 stop17h 45m
Deal found 22/8£536
Sun 6/920:50 -
2 stops35h 55m
Sun 20/910:25 -
1 stop17h 40m
Deal found 18/8£536
Tue 8/922:40 -
1 stop25h 10m
Tue 15/921:00 -
1 stop17h 00m
Deal found 22/8£537
Sun 23/820:25 -
1 stop27h 25m
Wed 9/911:10 -
1 stop16h 55m
Deal found 18/8£538
Sat 29/822:00 -
2 stops31h 20m
Sun 6/923:25 -
1 stop28h 00m
Deal found 20/8£539
Wed 9/922:05 -
1 stop20h 55m
Fri 11/908:45 -
1 stop32h 30m
Deal found 19/8£539
Sun 6/912:35 -
1 stop18h 15m
Tue 15/921:00 -
1 stop17h 00m
Deal found 22/8£540
Wed 28/1009:30 -
1 stop19h 20m
Wed 17/220:00 -
1 stop18h 35m
Deal found 18/8£541
Sat 5/922:10 -
1 stop21h 55m
Sat 12/917:50 -
1 stop32h 30m
Deal found 20/8£542
Thu 3/922:00 -
2 stops31h 20m
Mon 7/909:00 -
1 stop18h 25m
Deal found 19/8£542
Sun 4/1022:05 -
1 stop31h 40m
Sun 18/1020:00 -
1 stop17h 55m
Deal found 18/8£543

Find flight deals from Heathrow to Singapore

Round-trip from

£536

One-way from

£284

Popular in

July

Cheapest in

November

Average price

£751

Good round-trip deal

£737 or less

Good one-way deal

£682 or less
Air India
  • Air India
  • 6/9-16/9
  • 2 total stops
  • 36h 05m total
  • London to Singapore
Shenzhen Airlines
  • Shenzhen Airlines
  • 20/11
  • 1 total stop
  • 36h 05m total
  • London to Singapore
Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in August 2026
Price to beat on a round-trip flight from London Heathrow to Singapore.
Price to beat on a one-way flight from London Heathrow to Singapore.

Cheapflights Fare Finder

 
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 London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Tue 15/9

10:20-18:30

1 stop25h 10m

Singapore Changi

Tue 22/9

21:35-20:40

1 stop30h 05m

£574

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sun 4/10

09:30-09:40

1 stop17h 10m

Singapore Changi

Thu 5/11

19:25-06:40

1 stop19h 15m

£574
Fastest return journey

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sat 31/10

18:45-16:05

Nonstop13h 20m

Singapore Changi

Sun 15/11

23:05-05:25

Nonstop14h 20m

£596

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Thu 10/9

21:45-09:40

1 stop28h 55m

Singapore Changi

Wed 16/9

21:00-12:45

1 stop22h 45m

£605

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Wed 30/9

19:25-21:15

1 stop18h 50m

Singapore Changi

Wed 21/10

22:40-05:35

Nonstop13h 55m

£637

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Fri 29/1

18:45-16:05

Nonstop13h 20m

Singapore Changi

Sat 13/2

23:15-05:45

Nonstop14h 30m

£698

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Wed 7/10

16:00-15:45

1 stop16h 45m

Singapore Changi

Mon 26/10

23:15-05:45

Nonstop14h 30m

£709

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sat 31/10

08:25-20:30

2 stops28h 05m

Singapore Changi

Sun 15/11

20:50-18:25

1 stop29h 35m

£725

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Wed 28/10

20:05-20:30

2 stops40h 25m

Singapore Changi

Sat 7/11

20:50-05:55

1 stop17h 05m

£725

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sun 4/10

08:05-08:50

1 stop17h 45m

Singapore Changi

Thu 15/10

22:40-05:35

Nonstop13h 55m

£734

Flights are sorted by cheapest return flights first.

Deals found on 20/8

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Singapore

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 £592). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of £876). 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 SG?

When flying from London Heathrow Airport to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to Singapore

The most flights from LHR to SG0 are scheduled on a Monday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

How often are flights from London to Singapore delayed?

About 14% of weekly flights between London and Singapore have experienced delays in the past year, with the average delay time being 112 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?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday 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 Heathrow Airport to Singapore?

The price you pay for your flight from London Heathrow Airport to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Singapore

See what other customers who have flown with Singapore Airlines,Etihad Airways, andGulf Air from London Heathrow Airport to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.7

Entertainment

8.1

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Comfort

8.0

Crew

8.7

Entertainment

8.1

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Comfort

8.0

Crew

8.7

Entertainment

8.1

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Comfort

8.0

Crew

8.7

Entertainment

8.1

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Comfort

8.0

Crew

8.7

Entertainment

8.1

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Comfort

8.0

Crew

8.7

Entertainment

8.1

Food

7.8

Overall

8.2

Boarding

8.3

Reviews

1 / 20
2.0
Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Related info for your journey

  • What airports serve Heathrow to Singapore flights?

    When flying to Singapore from Heathrow, this route leaves from London Heathrow Airport (LHR), the UK’s biggest airport in size and passenger volume. Situated about 14 miles from inner-city London, you can reach the airport via the tube from Piccadilly Station or the Heathrow Express train from Paddington Station. Several bus routes travel directly to the airport, as do taxis and Ubers. Being such a busy airport, ensure you get there with enough time to check in for an international flight, usually three hours before take-off. When you arrive at your destination, you will be landing at Singapore Changi Airport (SIN), classified as the world’s biggest airport. It is based roughly 13 miles from the downtown Singapore region and has many options for public transport. It is advised to purchase an Ez-Link card which gives access to various types of public transport, including buses, the Mass Rapid Transport Metro and taxis. Grab a card from a 7-Eleven store or one of the vending machines placed all around the airport. Buses 36 and 36A will take you to various stops around the city from airport terminals 1, 2 and 3. Alternatively, you can catch the Mass Rapid Transport Metro which has a station at the airport and will swiftly transport you to many stations around the city. Taxis, Uber and car hire are also easily accessible from Singapore Changi Airport.

  • Which airlines fly directly from Heathrow to Singapore?

    Two main carriers service the route from Heathrow to Singapore with a direct flight. British Airways and Singapore Airlines both complete the journey in a little over 13h. Alternatively, several airlines service this route with a one-stop flight, depending on where you prefer as your stopover location. KLM flies via Amsterdam to see you arriving in Singapore in roughly 15h 30min, while Turkish Airlines completes the flight with one stop in Istanbul for a total flying time of about 17h 30min. Etihad Airlines takes you via Abu Dhabi with a total trip time of roughly 16h 30min. Swiss Air, Lufthansa and Air France also service this flight with one-stop lay-over options in various European cities, all at similar total flying times averaging between 15h and 18h.

  • What are the stop-over options between Heathrow and Singapore?

    With so many direct flights from Heathrow to Singapore available with British Airways and Singapore Airlines, even short notice bookings can get you a direct trip without much of a budget difference. If you cannot get a direct flight on your planned day of travel, you will have numerous lay-over cities to choose from. Europe has the most stop-over choices due to the flight path and you can choose from a variety of cities, all with short stops averaging between 1h 30min and 3h 30min. Depending on your airline of choice, you can pick from Paris, Zurich, Frankfurt, Amsterdam or Istanbul. If you choose Etihad Airlines, you can stop over in Abu Dhabi for an average of 2h 30min.

  • When flying from Heathrow to Singapore, will I need a visa?

    Visitors from the UK do not need to apply for a visa when entering Singapore. If you are staying under 90 days for tourism, study or medical reasons, you can enter freely with the Immigration Automated Clearance System under the Frequent Traveller Programme.

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

    There are many flights that can get you from London Heathrow Airport to Singapore in 13h 20m. Fly via Finnair, Etihad Airways, or British Airways to get the fastest option. London Heathrow Airport and Singapore are separated by a distance of 6757 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Singapore one-way?

    £179 is the cheapest one-way deal found within the past few days, from Hainan Airlines. You may also be able to find cheap deals on Shenzhen Airlines and Air China, with prices starting from £265 and £269, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Singapore on time: Garuda Indonesia (97%), Croatia Airlines (92%), Air Canada (90%).

  • What are the cheapest flights from London Heathrow Airport to Singapore?

    The cheapest flight price from London Heathrow Airport to Singapore is £572. On average you can expect to pay £4,883. The most popular route, (London Heathrow - Singapore Changi), can usually be booked for £410.

  • 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 £592). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of £876). 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

Alternative routes for Heathrow to Singapore

Top 10 airlines flying from Heathrow to Singapore

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£303Average£434FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£341Average£434FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Hainan AirlinesCheapest£357Average£429FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£366Average£597FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£376Average£481FlexibilityNo cancel feeOn-time67%
Search Air China flights
LufthansaCheapest£413Average£565FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Royal Brunei AirlinesCheapest£449Average£557FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Malaysia AirlinesCheapest£456Average£560FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
FinnairCheapest£467Average£655FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£473Average£676FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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