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$383+ Cheap flights from Heathrow (LHR) to Singapore (SIN)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in May or March, booked 32 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$614
(British Airways)

One-way from

$383
(Aegean Airlines)

Popular in

July

Cheapest in

May

Average price

$754

Good round-trip deal

$794 or less

Good one-way deal

$522 or less
Provider with most accurate pricing for London Heathrow-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Singapore Changi flights.
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From London Heathrow to Singapore Changi
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One-way flight from London Heathrow to Singapore Changi
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Highest demand for flights based on searches. 13% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in March 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

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 March 26, 2025.

This British Airways deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:35 pmLHR - SIN
Nonstop13h 30mBritish Airways
Thu 5/1511:20 pmSIN - LHR
Nonstop14h 05mBritish Airways
Deal found 3/25$614
This Air China deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:25 pmLHR - SIN
1 stop27h 25mAir China
Sun 10/1211:25 pmSIN - LHR
1 stop28h 05mAir China
Deal found 3/25$617
This KLM deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:45 pmLHR - SIN
1 stop17h 45mKLM
Thu 5/1512:40 amSIN - LHR
1 stop17h 05mKLM
Deal found 3/24$619
This Gulf Air deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:00 amLHR - SIN
1 stop19h 20mGulf Air
Mon 5/128:00 pmSIN - LHR
1 stop17h 55mGulf Air
Deal found 3/26$625
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/302:40 pmLHR - SIN
2 stops27h 10mMultiple Airlines
Wed 5/74:10 pmSIN - LHR
3 stops35h 20mMultiple Airlines
Deal found 3/25$630
This SAUDIA deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/102:40 pmLHR - SIN
1 stop18h 05mSAUDIA
Fri 6/272:30 amSIN - LHR
1 stop25h 00mSAUDIA
Deal found 3/25$632
This FlightHub deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:20 pmLHR - SIN
3 stops31h 00mChina Eastern
Thu 5/1512:55 amSIN - LHR
1 stop24h 45mChina Eastern
Deal found 3/25$640
This Finnair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:10 pmLHR - SIN
1 stop17h 15mFinnair
Fri 5/239:35 pmSIN - LHR
1 stop18h 35mFinnair
Deal found 3/25$641
This Lufthansa deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/265:50 pmLHR - SIN
1 stop15h 50mLufthansa
Wed 6/1111:25 pmSIN - LHR
1 stop24h 40mLufthansa
Deal found 3/25$658
This Shenzhen Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2310:05 pmLHR - SIN
1 stop21h 35mShenzhen Airlines
Sun 6/83:40 amSIN - LHR
1 stop23h 10mShenzhen Airlines
Deal found 3/25$664
This Etihad Airways deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/179:30 amLHR - SIN
1 stop17h 10mEtihad Airways
Mon 6/309:10 pmSIN - LHR
1 stop16h 50mEtihad Airways
Deal found 3/25$669
This China Southern deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Southern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/109:00 pmLHR - SIN
2 stops23h 15mChina Southern
Fri 6/275:50 pmSIN - LHR
1 stop32h 10mChina Southern
Deal found 3/25$679

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 26, 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

Thu 5/8

7:35 pm-4:05 pm

Nonstop13h 30m

Singapore Changi

Thu 5/15

11:20 pm-6:25 am

Nonstop14h 05m

$614

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 5/9

2:45 pm-3:30 pm

1 stop17h 45m

Singapore Changi

Thu 5/15

12:40 am-10:45 am

1 stop17h 05m

$619

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 4/23

10:00 am-12:20 pm

1 stop19h 20m

Singapore Changi

Mon 5/12

8:00 pm-6:55 am

1 stop17h 55m

$625

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 4/30

2:40 pm-12:50 am

2 stops27h 10m

Singapore Changi

Wed 5/7

4:10 pm-8:30 pm

3 stops35h 20m

$630

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 6/10

2:40 pm-3:45 pm

1 stop18h 05m

Singapore Changi

Fri 6/27

2:30 am-8:30 pm

1 stop25h 00m

$632

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 5/4

9:20 pm-11:20 am

3 stops31h 00m

Singapore Changi

Thu 5/15

12:55 am-6:40 pm

1 stop24h 45m

$640

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 5/16

6:10 pm-6:25 pm

1 stop17h 15m

Singapore Changi

Fri 5/23

9:35 pm-9:10 am

1 stop18h 35m

$641

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 5/26

5:50 pm-4:40 pm

1 stop15h 50m

Singapore Changi

Wed 6/11

11:25 pm-5:05 pm

1 stop24h 40m

$658

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 5/23

10:05 pm-2:40 am

1 stop21h 35m

Singapore Changi

Sun 6/8

3:40 am-7:50 pm

1 stop23h 10m

$664

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 6/17

9:30 am-9:40 am

1 stop17h 10m

Singapore Changi

Wed 7/2

9:10 pm-6:45 pm

1 stop28h 35m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 34 results
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Compare providers for flights from Heathrow to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Singapore in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for London Heathrow Airport to Singapore flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Singapore trip
Airports
LHR

Expect strict security at Heathrow. Ensure all liquids are in one small bag to avoid delays during manual screening.

Read more about LHRby Ramsey Qubein
SIN

For a quick city transfer, use Grab rideshare from SIN. It's faster and cheaper than taxis, taking ~25 minutes to the city.

Read more about SINby Yulia Denisyuk
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

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 round-trip 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 round-trip flight from Heathrow to Singapore. Price data was last updated on March 21, 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,011). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,684). 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 March 26, 2025.

When flying from London Heathrow Airport to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 46% versus a flight at noon.

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 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

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 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 March 26, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Emirates and KLM from London to Singapore by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,284 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,284 reviews
Singapore Airlines
8.1
Very good
1,284 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very good
3,190 reviews
Singapore Airlines
8.1
Very good
1,284 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
KLM
7.8
Good
1,319 reviews
Singapore Airlines
8.1
Very good
1,284 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Hainan Airlines
7.8
Good
32 reviews
Singapore Airlines
8.1
Very good
1,284 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

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?

    Located just 10.5 mi from the city center, Singapore Changi is the airport most travelers will use when flying to Singapore from London Heathrow. Booking flights from London Heathrow to Changi (SIN) should be relatively easy as there are 30 daily inbound flights from London Heathrow from 7 different airlines.

  • What are the cheapest airlines flying from London Heathrow Airport to Singapore round-trip?

    According to our current data, British Airways ($614), KLM ($619), and Gulf Air ($625) offers the cheapest pricing from London Heathrow Airport to Singapore. You may be able to fly from London Heathrow Airport to Singapore for 28% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $407 on SAUDIA. Other airlines that offer cheap prices include Shenzhen Airlines from $429 and China Eastern from $431 one-way.

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

    Before booking your flight to Singapore from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Qantas Airways (90%), Avianca (74%), Croatia Airlines( 68%).

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

    While on average a flight from London Heathrow Airport to Singapore is generally $3,077, our data shows the cheapest flight currently is $471. When looking at the most popular route, (London Heathrow - Singapore Changi), you can expect to pay $594 for that flight.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,011). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,684). 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 Heathrow to Singapore

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

Top 7 airlines flying from Heathrow to Singapore

Discover the top 7 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 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Gulf AirCheapest$514Average$726FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$639Average$863FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$652Average$671FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$690Average$984FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$697Average$856FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$802Average$815FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$938Average$1,269FlexibilityNo cancel feeOn-time68%
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