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Cheap flights from London Heathrow Airport to Singapore from £300

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
18 juin — 25 juin1
1 adult

Cheap flight deals from Heathrow to Singapore

Keep the following information in mind while searching for Heathrow to Singapore flight deals. Data was last updated 13 juin 2025.

Round-trip from

£456

One-way from

£300

Popular in

December

Cheapest in

May

Average price

£559

Good round-trip deal

£726 or less

Good one-way deal

£465 or less
China Eastern
  • China Eastern
  • 22/6-25/6
  • 4 total stops
  • 69h 55m total
  • London to Singapore
Hainan Airlines
  • Hainan Airlines
  • 19/9
  • 1 total stop
  • 30h 00m total
  • London to Singapore
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in June 2025
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.

Find flight deals from Heathrow to Singapore

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 13 juin 2025.

dim. 22/621:20LHR - SIN
3 stops45h 10mChina Eastern
mer. 25/600:55SIN - LHR
1 stop24h 45mChina Eastern
Deal found 11/6£456
mer. 25/610:00LHR - SIN
1 stop19h 20mGulf Air
sam. 28/620:00SIN - LHR
1 stop17h 55mGulf Air
Deal found 11/6£456
lun. 16/622:00LHR - SIN
1 stop30h 00mHainan Airlines
jeu. 10/712:05SIN - LHR
1 stop38h 25mHainan Airlines
Deal found 12/6£457
mer. 19/1120:25LHR - SIN
1 stop17h 30mAir China
lun. 24/1109:30SIN - LHR
1 stop38h 25mAir China
Deal found 11/6£458
lun. 22/921:00LHR - SIN
2 stops32h 30mChina Southern
mer. 22/1003:55SIN - LHR
1 stop22h 05mChina Southern
Deal found 11/6£464
mer. 1/1012:30LHR - SIN
1 stop23h 00mAir India
mer. 15/1009:15SIN - LHR
1 stop18h 05mAir India
Deal found 11/6£464
sam. 4/1022:05LHR - SIN
1 stop21h 25mShenzhen Airlines
sam. 18/1018:10SIN - LHR
1 stop32h 50mShenzhen Airlines
Deal found 12/6£484
lun. 1/919:35LHR - SIN
Nonstop13h 30mBritish Airways
mer. 1/1022:40SIN - LHR
Nonstop13h 45mBritish Airways
Deal found 12/6£489
jeu. 3/720:35LHR - SIN
1 stop18h 10mMultiple Airlines
lun. 14/714:10SIN - LHR
3 stops47h 55mMultiple Airlines
Deal found 12/6£495
mar. 9/917:50LHR - SIN
1 stop15h 50mLufthansa
dim. 22/323:45SIN - LHR
1 stop21h 15mLufthansa
Deal found 11/6£506
jeu. 6/1114:45LHR - SIN
1 stop18h 10mAir France
mar. 18/1122:55SIN - LHR
1 stop19h 35mAir France
Deal found 11/6£510
mer. 5/1118:40LHR - SIN
1 stop15h 10mSWISS
dim. 9/1100:05SIN - LHR
1 stop16h 00mSWISS
Deal found 11/6£511

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 858,174 searches. Data last updated 13 juin 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Singapore that are best for you.

Fly from

Heathrow

Fly to

Singapore

Route

Depart

Return

Price

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

dim. 22/6

21:20-01:30

3 stops45h 10m

Singapore Changi

mer. 25/6

00:55-18:40

1 stop24h 45m

£456

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mer. 25/6

10:00-12:20

1 stop19h 20m

Singapore Changi

sam. 28/6

20:00-06:55

1 stop17h 55m

£456

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mer. 19/11

20:25-21:55

1 stop17h 30m

Singapore Changi

lun. 24/11

09:30-15:55

1 stop38h 25m

£458

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mer. 2/7

22:00-03:10

1 stop22h 10m

Singapore Changi

mar. 29/7

12:05-19:30

1 stop38h 25m

£462

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

lun. 22/9

21:00-12:30

2 stops32h 30m

Singapore Changi

mer. 22/10

03:55-19:00

1 stop22h 05m

£464

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mer. 1/10

12:30-18:30

1 stop23h 00m

Singapore Changi

mer. 15/10

09:15-20:20

1 stop18h 05m

£464

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

sam. 4/10

22:05-02:30

1 stop21h 25m

Singapore Changi

sam. 18/10

18:10-20:00

1 stop32h 50m

£484

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

lun. 1/9

19:35-16:05

Nonstop13h 30m

Singapore Changi

mer. 1/10

22:40-05:25

Nonstop13h 45m

£489

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

jeu. 3/7

20:35-21:45

1 stop18h 10m

Singapore Changi

lun. 14/7

14:10-07:05

3 stops47h 55m

£495

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mar. 9/9

17:50-16:40

1 stop15h 50m

Singapore Changi

dim. 22/3

23:45-13:00

1 stop21h 15m

£506

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 29 results
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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

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 £717). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of £1,115). 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?

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 13 juin 2025.

It’s typically best to fly out from London Heathrow Airport to Singapore at midday. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Singapore?

Use this chart to determine the cheapest time to fly return from Heathrow to Singapore. Price data was last updated on 8 June 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Singapore flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Singapore

Explore weekly flight availability from Heathrow 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 13 juin 2025.

The most flights from LHR to SG0 are scheduled on a Monday (38 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 13 juin 2025.
Peruse reviews from past customers who have flown with Hainan Airlines, Singapore Airlines and Thai Airways from London to Singapore to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.6

Food

8.5

Crew

8.9

Comfort

8.1

Overall

8.1

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Boarding

8.6

Food

8.5

Crew

8.9

Comfort

8.1

Overall

8.1

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Boarding

8.6

Food

8.5

Crew

8.9

Comfort

8.1

Overall

8.1

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Boarding

8.6

Food

8.5

Crew

8.9

Comfort

8.1

Overall

8.1

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Boarding

8.6

Food

8.5

Crew

8.9

Comfort

8.1

Overall

8.1

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 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.

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

    £300 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 India and China Southern, with prices starting from £304 and £306, 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: American Airlines (72%), Iberia (72%), British Airways (72%).

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

    The cheapest flight price from London Heathrow Airport to Singapore is £350. On average you can expect to pay £3,724. The most popular route, (London Heathrow - Singapore Changi), can usually be booked for £406.

  • 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 £717). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of £1,115). 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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Alternative routes for Heathrow to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Singapore

Discover the top 10 airlines that operate flights from Heathrow to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 juin 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£353Average£405FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£367Average£438FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£373Average£398FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air IndiaCheapest£376Average£598FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China EasternCheapest£381Average£459FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£394Average£434FlexibilityNo cancel feeOn-time69%
Search China Southern flights
KLMCheapest£412Average£850FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£412Average£543FlexibilityNo cancel feeOn-time77%
Search Air France flights
Royal Brunei AirlinesCheapest£422Average£489FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
FinnairCheapest£453Average£669FlexibilityNo cancel feeOn-time76%
Search Finnair flights

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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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