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$393+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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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 Thursday or Tuesday and return on a Monday

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 septiembre 11, 2025.

Round-trip from

$611
(Booking.com)

One-way from

$393
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$741

Good round-trip deal

$1,104 or less

Good one-way deal

$627 or less
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 ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/64:40 pmLHR - SIN
1 stop16h 45mLufthansa
jue. 11/2011:55 pmSIN - LHR
1 stop16h 50mLufthansa
Deal found 9/11$611
This Lufthansa deal was found by Cheapflights users on 9/11. 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.
lun. 11/34:40 pmLHR - SIN
1 stop16h 45mMultiple Airlines
dom. 11/2312:05 amSIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 9/11$614
This Lufthansa deal was found by Cheapflights users on 9/10. 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.
jue. 11/65:50 pmLHR - SIN
1 stop15h 35mMultiple Airlines
lun. 11/2412:05 amSIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 9/10$615
This Lufthansa deal was found by Cheapflights users on 9/10. 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.
vie. 11/145:50 pmLHR - SIN
1 stop15h 35mLufthansa
mié. 12/311:55 pmSIN - LHR
1 stop17h 50mLufthansa
Deal found 9/10$616
This FlightHub deal was found by Cheapflights users on 9/10. 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.
mié. 10/110:00 pmLHR - SIN
1 stop34h 30mHainan Airlines
mié. 10/84:40 amSIN - LHR
1 stop21h 50mHainan Airlines
Deal found 9/10$631
This Lufthansa deal was found by Cheapflights users on 9/10. 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.
mar. 12/95:50 pmLHR - SIN
1 stop15h 35mLufthansa
mié. 12/2411:45 pmSIN - LHR
1 stop18h 40mLufthansa
Deal found 9/10$635
This Lufthansa deal was found by Cheapflights users on 9/11. 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.
mar. 10/285:50 pmLHR - SIN
1 stop15h 35mLufthansa
mar. 3/2411:55 pmSIN - LHR
1 stop17h 50mLufthansa
Deal found 9/11$636
This SWISS deal was found by Cheapflights users on 9/10. 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.
lun. 11/38:05 pmLHR - SIN
1 stop37h 55mSWISS
dom. 11/1612:05 amSIN - LHR
1 stop16h 00mSWISS
Deal found 9/10$637
This Gotogate deal was found by Cheapflights users on 9/11. 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.
lun. 11/38:55 pmLHR - SIN
1 stop28h 40mEtihad Airways
vie. 11/77:25 pmSIN - LHR
1 stop19h 15mEtihad Airways
Deal found 9/11$640
This Lufthansa deal was found by Cheapflights users on 9/10. 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.
jue. 11/135:50 pmLHR - SIN
1 stop15h 35mMultiple Airlines
jue. 11/2712:05 amSIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 9/10$646
This Air China deal was found by Cheapflights users on 9/10. 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.
jue. 10/2310:40 pmLHR - SIN
1 stop25h 10mAir China
jue. 11/611:55 pmSIN - LHR
1 stop24h 00mAir China
Deal found 9/10$652
This Lufthansa deal was found by Cheapflights users on 9/11. 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.
lun. 11/35:50 pmLHR - SIN
1 stop15h 35mMultiple Airlines
vie. 11/712:05 amSIN - LHR
1 stop16h 00mMultiple Airlines
Deal found 9/11$654

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 septiembre 11, 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

jue. 11/6

5:50 pm-5:25 pm

1 stop15h 35m

Singapore Changi

mié. 11/19

12:05 am-8:05 am

1 stop16h 00m

$614

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

lun. 11/3

5:50 pm-5:25 pm

1 stop15h 35m

Singapore Changi

vie. 11/7

12:05 am-8:05 am

1 stop16h 00m

$654

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mié. 2/25

2:25 pm-6:00 pm

2 stops19h 35m

Singapore Changi

lun. 3/16

12:05 am-11:15 am

1 stop19h 10m

$713

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

jue. 12/11

5:10 pm-6:00 pm

1 stop16h 50m

Singapore Changi

sáb. 12/13

12:05 am-1:40 pm

2 stops21h 35m

$804

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

dom. 11/23

8:35 pm-5:40 pm

Nonstop13h 05m

Singapore Changi

dom. 11/30

9:00 am-3:20 pm

Nonstop14h 20m

$811

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mar. 2/24

2:25 pm-6:00 pm

2 stops19h 35m

Singapore Changi

lun. 3/16

11:55 pm-1:00 pm

2 stops21h 05m

$838

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

lun. 10/27

6:40 pm-3:55 pm

Nonstop13h 15m

Singapore Changi

lun. 11/3

11:15 pm-5:55 am

Nonstop14h 40m

$868

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

mié. 10/8

9:55 pm-9:00 pm

1 stop16h 05m

Singapore Changi

mié. 10/15

11:20 pm-6:30 am

Nonstop14h 10m

$904

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

sáb. 11/1

3:30 pm-2:55 pm

1 stop15h 25m

Singapore Changi

sáb. 11/8

11:15 pm-5:55 am

Nonstop14h 40m

$940

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

dom. 11/23

9:00 pm-6:25 pm

Nonstop13h 25m

Singapore Changi

sáb. 11/29

3:15 am-12:10 pm

1 stop16h 55m

$980

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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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 long security lines at Heathrow. Ensure all liquids are in a small bag to avoid delays during manual screenings.

Read more about LHRby Ramsey Qubein
SIN

For a quick city transfer, use the Grab rideshare app from Changi. It's faster and cheaper than taxis, especially from Terminal 4.

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 August 29, 2025.

Booking 50 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,002). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,665). 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 septiembre 11, 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 49% versus a flight at noon.

How much does it cost to fly round-trip 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 septiembre 11, 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Singapore, such as Singapore Airlines, Thai Airways, and Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very good
1,365 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Thai Airways
7.8
Good
350 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Etihad Airways
7.4
Good
1,250 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Gulf Air
7.1
Good
209 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
British Airways
6.7
Okay
7,361 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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 37 daily inbound flights from London Heathrow from 6 different airlines.

  • 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 19h 35m. Fly via SWISS to get the fastest option. The distance from London Heathrow Airport to Singapore is about 6757 mi.

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

    According to our current data, British Airways ($620), Gulf Air ($625), and Etihad Airways ($652) 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 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: Croatia Airlines (80%), Air Canada (79%), Garuda Indonesia( 78%).

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

    While on average a flight from London Heathrow Airport to Singapore is generally $5,720, our data shows the cheapest flight currently is $478. When looking at the most popular route, (London Heathrow - Singapore Changi), you can expect to pay $438 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $1,002). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,665). 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 6 airlines flying from Heathrow to Singapore

Discover the top 6 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$620Average$854FlexibilityNo cancel feeOn-time70%
Gulf AirCheapest$625Average$702FlexibilityNo cancel feeOn-time67%
Etihad AirwaysCheapest$652Average$698FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$695Average$950FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$715Average$984FlexibilityNo cancel feeOn-time76%
Thai AirwaysCheapest$782Average$815FlexibilityNo cancel feeOn-time77%

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