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Cheap flights from London Heathrow Airport to Singapore from £291

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in May or September, booked 50 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap 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 2 October 2025.

Round-trip from

£451

One-way from

£291

Popular in

July

Cheapest in

May

Average price

£606

Good round-trip deal

£700 or less

Good one-way deal

£523 or less
Hainan Airlines
  • Hainan Airlines
  • 30/11-21/12
  • 3 total stops
  • 56h 05m total
  • London to Singapore
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Hainan Airlines
  • Hainan Airlines
  • 13/3
  • 1 total stop
  • 22h 10m total
  • London to Singapore
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Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from London Heathrow to Singapore Changi.
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Price to beat on a one-way flight from London Heathrow to Singapore Changi.
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Find 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 2 October 2025.

Sun 30/1121:15LHR - SIN
1 stop21h 55mHainan Airlines
Sun 21/1215:45SIN - LHR
2 stops34h 10mHainan Airlines
Deal found 30/9£451
Thu 20/1117:50LHR - SIN
1 stop15h 35mMultiple Airlines
Mon 1/1200:05SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 30/9£452
Tue 2/1211:10LHR - SIN
1 stop22h 15mLufthansa
Wed 10/1223:55SIN - LHR
1 stop16h 50mLufthansa
Deal found 30/9£453
Thu 13/1117:50LHR - SIN
1 stop15h 35mMultiple Airlines
Sun 30/1100:05SIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 1/10£454
Sat 15/1116:40LHR - SIN
1 stop16h 45mLufthansa
Sat 22/1123:55SIN - LHR
1 stop18h 50mLufthansa
Deal found 1/10£454
Thu 6/1120:25LHR - SIN
1 stop17h 30mMultiple Airlines
Thu 20/1112:15SIN - LHR
2 stops37h 20mMultiple Airlines
Deal found 30/9£456
Tue 28/1017:30LHR - SIN
1 stop15h 25mLufthansa
Tue 4/1123:45SIN - LHR
1 stop16h 20mLufthansa
Deal found 30/9£456
Mon 13/1022:05LHR - SIN
1 stop31h 15mGulf Air
Tue 21/1020:00SIN - LHR
1 stop26h 20mGulf Air
Deal found 1/10£457
Thu 27/1122:15LHR - SIN
1 stop21h 05mMultiple Airlines
Thu 4/1212:15SIN - LHR
2 stops37h 20mMultiple Airlines
Deal found 1/10£458
Tue 4/1108:50LHR - SIN
1 stop16h 45mEtihad Airways
Thu 27/1119:25SIN - LHR
1 stop19h 15mEtihad Airways
Deal found 1/10£459
Mon 24/1122:00LHR - SIN
1 stop25h 00mAir India
Mon 15/1219:40SIN - LHR
1 stop23h 25mAir India
Deal found 30/9£459
Mon 6/1022:05LHR - SIN
1 stop31h 15mGulf Air
Tue 21/1020:00SIN - LHR
1 stop17h 55mGulf Air
Deal found 1/10£460

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 2 October 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

Mon 19/1

21:50-12:30

1 stop30h 40m

Singapore Changi

Wed 11/2

20:25-06:35

1 stop18h 10m

£494

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 6/11

20:05-18:00

1 stop37h 55m

Singapore Changi

Wed 19/11

00:05-08:05

1 stop16h 00m

£498

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 1/12

20:05-18:00

1 stop37h 55m

Singapore Changi

Mon 15/12

00:05-08:05

1 stop16h 00m

£498

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sat 15/11

20:05-18:00

1 stop37h 55m

Singapore Changi

Sun 30/11

00:05-13:40

2 stops21h 35m

£512

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 10/2

14:25-18:00

2 stops19h 35m

Singapore Changi

Mon 9/3

00:05-11:15

1 stop19h 10m

£526

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 30/11

14:05-16:55

2 stops18h 50m

Singapore Changi

Mon 8/12

01:40-10:45

1 stop17h 05m

£583

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 6/3

21:00-18:25

Nonstop13h 25m

Singapore Changi

Tue 24/3

23:15-05:55

Nonstop14h 40m

£596

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 5/3

20:10-17:40

Nonstop13h 30m

Singapore Changi

Sun 22/3

23:05-06:15

Nonstop15h 10m

£626

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 27/11

20:10-17:40

Nonstop13h 30m

Singapore Changi

Wed 18/3

23:05-06:15

Nonstop15h 10m

£626

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 15/10

08:55-17:05

2 stops25h 10m

Singapore Changi

Mon 27/10

00:05-11:15

1 stop19h 10m

£638

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 22 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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Singapore. Price data was last updated on 26 September 2025.

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 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £711). 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 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 2 October 2025.

It’s optimal to fly from London Heathrow Airport to Singapore in the afternoon. By choosing this option you can save up to 31% on the cost of your flight, compared to a flight in the evening.

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 28 September 2025.

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

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

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 2 October 2025.
Check out reviews from past customers who have flown with Singapore Airlines, Etihad Airways, andGulf Air from London Heathrow Airport to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very Good
1,373 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Etihad Airways
7.4
Good
1,267 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Gulf Air
7.2
Good
212 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
British Airways
6.7
Okay
7,414 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Air India
5.5
Fair
2,935 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Comfort

8.0

Crew

8.6

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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 36 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 24 airlines have flights to the Singapore airport from London Heathrow. It is only a 10.5 mi journey from Changi (SIN) to Singapore’s city center.

  • 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 30h 40m. Fly via Gulf Air or SWISS 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 flying from London Heathrow Airport to Singapore round-trip?

    Currently priced at £329, Air India will fly you from London Heathrow Airport to Singapore and back. In addition to Air India, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Shenzhen Airlines and Air China - these airlines can fly you to your destination from £348 and £371, respectively. These flights start at 48% lower than the current average price 3 months from now.

  • 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 Air China. You may also be able to find cheap deals on Shenzhen Airlines and Gulf Air, with prices starting from £318 and £318, 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 (83%), Garuda Indonesia (80%), Croatia Airlines (76%).

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

    The cheapest flight price from London Heathrow Airport to Singapore is £365. On average you can expect to pay £3,862. The most popular route, (London Heathrow - Singapore Changi), can usually be booked for £399.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Singapore?

    London Heathrow Airport to Singapore flights have a stopover in Manama most often. New Delhi is the second most popular location for stopovers on flights from London Heathrow Airport to Singapore. Abu Dhabi sees the third most stopovers on flights from London Heathrow Airport to Singapore.

  • What are some popular points of interest to see during a stopover in New Delhi?

    Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib are the most popular attractions in New Delhi if you're in need of something to do during your stopover. Karol Bagh, Lajpat Nagar Central Market and Gurudwara Bangla Sahib are located about 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl if you are interested in checking them out. Travellers can book a car hire at New Delhi Indira Gandhi Intl for about £48 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a stopover in Abu Dhabi?

    If you're on a stopover in Abu Dhabi and looking for things to do, consider visiting Etihad Towers, Sheikh Zayed Mosque, or Emirates Park Zoo. Etihad Towers, Sheikh Zayed Mosque, and Emirates Park Zoo are located about 20.8 mi, 11.2 mi, and 7.9 mi, respectively from Abu Dhabi Zayed Intl. Those landing in Abu Dhabi looking to spend some time exploring during their stopover can hire a car for about £18 per day.

  • Where are the least popular stopover locations for London Heathrow Airport to Singapore flights?

    The least popular stopover on flights from London Heathrow Airport to Singapore is Beijing. Bangkok is the second least popular location for stopovers on flights from London Heathrow Airport to Singapore. Istanbul follows Bangkok in terms of the least frequent stopover locations on London Heathrow Airport to Singapore flights.

  • 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 £711). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Singapore on these airlines

Choose from the following airlines for your flight from Heathrow to Singapore. Flights are based on user searches made on Cheapflights and were last updated on 2 October 2025.
Singapore Airlines flights from London Heathrow to Singapore Changi
British Airways flights from London Heathrow to Singapore Changi
Qatar Airways flights from London Heathrow to Singapore Changi
Finnair flights from London Heathrow to Singapore Changi

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 2 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£329Average£567FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£348Average£409FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£371Average£443FlexibilityNo cancel feeOn-time67%
Search Air China flights
Hainan AirlinesCheapest£376Average£459FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
China EasternCheapest£384Average£462FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£393Average£467FlexibilityNo cancel feeOn-time69%
Search China Southern flights
KLMCheapest£415Average£858FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£415Average£582FlexibilityNo cancel feeOn-time77%
Search Air France flights
Royal Brunei AirlinesCheapest£426Average£497FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
SWISSCheapest£427Average£649FlexibilityNo cancel feeOn-time79%
Search SWISS 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 Heathrow to Singapore?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Singapore. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Singapore from Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Singapore, users can toggle the no change fees filter when performing a flight search.

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

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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