Cheap flights from London Heathrow Airport to Singapore from £309

LHR — SIN
4 Dec — 11 Dec1
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 22/1112:30 -
1 stop25h 45m
Sat 5/1203:00 -
1 stop19h 10m
Deal found 2/11£442
Wed 18/1121:05 -
1 stop30h 05m
Sun 6/1212:15 -
2 stops38h 00m
Deal found 2/11£447
Wed 11/1121:10 -
1 stop20h 50m
Fri 27/1103:00 -
1 stop24h 10m
Deal found 3/11£450
Mon 16/1121:00 -
1 stop21h 25m
Mon 7/1200:25 -
1 stop25h 05m
Deal found 30/10£452
Mon 23/1121:10 -
1 stop20h 50m
Wed 16/1203:00 -
1 stop25h 30m
Deal found 2/11£455
Thu 19/1122:30 -
1 stop19h 30m
Wed 25/1103:00 -
1 stop25h 30m
Deal found 1/11£457
Wed 11/1121:10 -
1 stop20h 50m
Tue 1/1203:00 -
1 stop24h 10m
Deal found 2/11£458
Fri 20/1112:30 -
1 stop17h 30m
Tue 8/1215:15 -
1 stop30h 55m
Deal found 1/11£458

Find flight deals from Heathrow to Singapore

Round-trip from

£442

One-way from

£309

Popular in

December

Cheapest in

May

Average price

£608

Good round-trip deal

£757 or less

Good one-way deal

£491 or less
XiamenAir
  • XiamenAir
  • 22/11-5/12
  • 2 total stops
  • 44h 55m total
  • London to Singapore
Gulf Air
  • Gulf Air
  • 21/1-31/12
  • 1 total stop
  • 19h 20m total
  • London to Singapore
Highest demand for flights based on searches. 1% potential increase in price (£9 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in November 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

Sat 30/1

08:25-19:40

1 stop27h 15m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£332

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Fri 13/11

08:25-19:40

1 stop27h 15m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£332

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sat 21/11

20:05-19:40

1 stop15h 35m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£332

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Fri 22/1

20:05-19:40

1 stop15h 35m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£334

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Fri 5/2

08:25-19:40

1 stop27h 15m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£334

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Fri 29/1

08:25-19:40

1 stop27h 15m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£338

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sat 16/1

08:25-19:40

1 stop27h 15m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£340

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Tue 5/1

22:30-12:30

1 stop30h 00m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£382

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sat 20/3

21:40-12:50

1 stop31h 10m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£484

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sun 6/12

06:30-17:20

2 stops26h 50m

Singapore Changi

Wed 31/12

00:00-17:30

Nonstop0h 00m

£566

Flights are sorted by cheapest return flights first.

Deals found on 2/11

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

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of £616). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of £938). 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 (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (34 on average).

How often are flights from London to Singapore delayed?

About 12% of weekly flights between London and Singapore have experienced delays in the past year, with the average delay time being 113 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 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 9% 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,Qantas Airways, andEtihad Airways 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.

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

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, British Airways, or Qantas 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?

    £244 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 Air China and Gulf Air, with prices starting from £269 and £281, 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: Air Canada (95%), Qantas Airways (92%), TAP AIR PORTUGAL (90%).

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

    The cheapest flight price from London Heathrow Airport to Singapore is £407. On average you can expect to pay £3,380. The most popular route, (London Heathrow - Singapore Changi), can usually be booked for £411.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of £616). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of £938). 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
Shenzhen AirlinesCheapest£343Average£453FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£349Average£487FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£372Average£633FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Hainan AirlinesCheapest£385Average£459FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air IndiaCheapest£405Average£580FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
LufthansaCheapest£441Average£620FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Royal Brunei AirlinesCheapest£442Average£566FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Malaysia AirlinesCheapest£464Average£569FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China SouthernCheapest£476Average£549FlexibilityNo cancel feeOn-time69%
Search China Southern flights
KLMCheapest£481Average£759FlexibilityNo 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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