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$378+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in May or March, booked 33 days in advance, depart on a Sunday or Thursday and return on a Tuesday

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 May 1, 2025.

Most accurate provider

Flightnetwork
3 stars

Most trusted provider

Flightnetwork
3 stars

Round-trip from

$582
(Shenzhen Airlines)

One-way from

$378
(Mytrip)

Popular in

July

Cheapest in

May

Average price

$723

Good round-trip deal

$905 or less

Good one-way deal

$504 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. 11% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Shenzhen Airlines deal was found by Cheapflights users on 4/30. 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 6/1310:05 pmLHR - SIN
1 stop21h 25mShenzhen Airlines
Fri 6/203:30 amSIN - LHR
1 stop23h 20mShenzhen Airlines
Deal found 4/30$582
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2710:05 pmLHR - SIN
1 stop31h 15mGulf Air
Tue 6/38:00 pmSIN - LHR
1 stop26h 20mGulf Air
Deal found 4/29$596
This FlightHub deal was found by Cheapflights users on 4/29. 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 6/110:10 pmLHR - SIN
1 stop21h 55mChina Southern
Sun 6/155:50 pmSIN - LHR
1 stop32h 10mChina Southern
Deal found 4/29$604
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:00 pmLHR - SIN
1 stop34h 00mAir China
Thu 5/1511:25 pmSIN - LHR
1 stop28h 05mAir China
Deal found 4/29$618
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Thu 6/59:20 pmLHR - SIN
1 stop35h 15mChina Eastern
Wed 6/1112:55 amSIN - LHR
1 stop24h 45mChina Eastern
Deal found 4/29$622
This Etihad Airways deal was found by Cheapflights users on 4/29. 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.
Sun 9/142:45 pmLHR - SIN
1 stop35h 55mEtihad Airways
Mon 9/299:10 pmSIN - LHR
1 stop16h 50mEtihad Airways
Deal found 4/29$635
This British Airways deal was found by Cheapflights users on 4/30. 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.
Wed 5/79:20 pmLHR - SIN
Nonstop13h 40mBritish Airways
Tue 5/2010:40 pmSIN - LHR
Nonstop13h 45mBritish Airways
Deal found 4/30$668
This SAUDIA deal was found by Cheapflights users on 4/29. 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.
Mon 5/125:50 pmLHR - SIN
2 stops38h 55mSAUDIA
Wed 5/213:45 amSIN - LHR
1 stop23h 45mSAUDIA
Deal found 4/29$676
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/910:00 pmLHR - SIN
2 stops30h 00mMultiple Airlines
Thu 6/123:30 amSIN - LHR
1 stop23h 30mMultiple Airlines
Deal found 4/29$679
This KLM deal was found by Cheapflights users on 4/29. 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.
Tue 5/68:55 pmLHR - SIN
1 stop35h 35mKLM
Mon 5/1212:40 amSIN - LHR
1 stop38h 00mKLM
Deal found 4/29$707
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:40 amLHR - SIN
1 stop25h 25mSWISS
Thu 10/3012:05 amSIN - LHR
1 stop25h 45mSWISS
Deal found 4/29$709
This Finnair deal was found by Cheapflights users on 4/29. 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 5/237:30 amLHR - SIN
1 stop27h 55mFinnair
Sat 5/319:35 pmSIN - LHR
1 stop30h 05mFinnair
Deal found 4/29$712

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 May 1, 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

Fri 6/13

10:05 pm-2:30 am

1 stop21h 25m

Singapore Changi

Sun 6/22

3:30 am-7:50 pm

1 stop23h 20m

$582

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 5/27

10:05 pm-12:20 pm

1 stop31h 15m

Singapore Changi

Tue 6/3

8:00 pm-3:20 pm

1 stop26h 20m

$596

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 6/1

10:10 pm-3:05 am

1 stop21h 55m

Singapore Changi

Sun 6/15

5:50 pm-7:00 pm

1 stop32h 10m

$604

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 6/5

9:20 pm-3:35 pm

1 stop35h 15m

Singapore Changi

Wed 6/11

12:55 am-6:40 pm

1 stop24h 45m

$622

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 9/14

2:45 pm-9:40 am

1 stop35h 55m

Singapore Changi

Thu 9/25

9:10 pm-3:15 pm

1 stop25h 05m

$635

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 9/12

10:00 pm-11:00 am

2 stops30h 00m

Singapore Changi

Sun 9/28

12:05 pm-7:30 pm

2 stops38h 25m

$649

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 5/11

7:35 pm-4:05 pm

Nonstop13h 30m

Singapore Changi

Sun 5/18

11:20 pm-6:30 am

Nonstop14h 10m

$673

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 5/12

5:50 pm-3:45 pm

2 stops38h 55m

Singapore Changi

Wed 5/21

3:45 am-8:30 pm

1 stop23h 45m

$676

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 6/9

10:00 pm-11:00 am

2 stops30h 00m

Singapore Changi

Thu 6/12

3:30 am-8:00 pm

1 stop23h 30m

$679

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 10/1

8:40 am-5:05 pm

1 stop25h 25m

Singapore Changi

Thu 10/30

12:05 am-5:50 pm

1 stop25h 45m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 36 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 May.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 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 Flightnetwork to be most consistent on Cheapflights vs. Flightnetwork Users can find the same prices on London Heathrow Airport-Singapore flight deals on Cheapflights vs. Flightnetwork >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 Flightnetwork the most. Flightnetwork 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 April 25, 2025.

Booking 33 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 May 1, 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.

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 May 1, 2025.

The most flights from LHR to SIN are scheduled on a Monday (38 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (32 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 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 May 1, 2025.
Get a feel of what it's like to fly with Hainan Airlines, Garuda Indonesia and Singapore Airlines 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.
Hainan Airlines
8.1
Very good
38 reviews

Crew

9.0

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.6

Food

8.5

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.
Hainan Airlines
8.1
Very good
38 reviews
Hainan Airlines
8.1
Very good
38 reviews

Crew

9.0

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.6

Food

8.5

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.
Garuda Indonesia
8.1
Very good
72 reviews
Hainan Airlines
8.1
Very good
38 reviews

Crew

9.0

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.6

Food

8.5

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.
Singapore Airlines
8.1
Very good
1,292 reviews
Hainan Airlines
8.1
Very good
38 reviews

Crew

9.0

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.6

Food

8.5

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.
Emirates
8.0
Very good
3,216 reviews
Hainan Airlines
8.1
Very good
38 reviews

Crew

9.0

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.6

Food

8.5

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 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 35 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, Shenzhen Airlines ($582), Gulf Air ($596), and China Southern ($604) offers the cheapest pricing from London Heathrow Airport to Singapore. You may be able to fly from London Heathrow Airport to Singapore for 32% 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 $378 on Hainan Airlines. Other airlines that offer cheap prices include Air India from $418 and China Eastern from $438 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%), American Airlines (67%), Avianca( 67%).

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

    While on average a flight from London Heathrow Airport to Singapore is generally $962, our data shows the cheapest flight currently is $460. When looking at the most popular route, (London Heathrow - Singapore Changi), you can expect to pay $671 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Gulf AirCheapest$514Average$702FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$620Average$851FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$652Average$693FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$690Average$984FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$697Average$874FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$782Average$816FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$938Average$1,269FlexibilityNo cancel feeOn-time68%

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