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$414+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SIN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 Wednesday 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 July 29, 2025.

Round-trip from

$658
(Lufthansa)

One-way from

$414
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$1,187

Good round-trip deal

$982 or less

Good one-way deal

$1,014 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. 12% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Lufthansa deal was found by Cheapflights users on 7/27. 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.
Tue 11/44:40 pmLHR - SIN
1 stop16h 45mLufthansa
Sat 11/2211:45 pmSIN - LHR
1 stop16h 20mLufthansa
Deal found 7/27$658
This Gotogate deal was found by Cheapflights users on 7/28. 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 9/2210:05 pmLHR - SIN
1 stop21h 25mShenzhen Airlines
Fri 9/266:10 pmSIN - LHR
1 stop32h 40mShenzhen Airlines
Deal found 7/28$659
This Booking.com deal was found by Cheapflights users on 7/27. 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.
Fri 9/1210:05 pmLHR - SIN
1 stop21h 25mMultiple Airlines
Sun 9/2112:05 pmSIN - LHR
2 stops38h 25mMultiple Airlines
Deal found 7/27$661
This FlightHub deal was found by Cheapflights users on 7/27. 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.
Tue 9/308:35 pmLHR - SIN
1 stop18h 10mAir India
Mon 10/68:45 amSIN - LHR
1 stop17h 15mAir India
Deal found 7/27$663
This SWISS deal was found by Cheapflights users on 7/29. 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.
Tue 11/46:40 pmLHR - SIN
1 stop15h 20mSWISS
Sat 11/1512:05 amSIN - LHR
2 stops21h 35mSWISS
Deal found 7/29$666
This Etihad Airways deal was found by Cheapflights users on 7/28. 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.
Mon 9/89:30 amLHR - SIN
1 stop17h 10mEtihad Airways
Tue 9/239:10 pmSIN - LHR
1 stop16h 50mEtihad Airways
Deal found 7/28$682
This Gulf Air deal was found by Cheapflights users on 7/29. 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 Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:00 amLHR - SIN
1 stop19h 20mGulf Air
Wed 10/88:00 pmSIN - LHR
1 stop17h 55mGulf Air
Deal found 7/29$701
This Austrian Airlines deal was found by Cheapflights users on 7/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:30 pmLHR - SIN
2 stops17h 10mAustrian Airlines
Tue 9/238:50 pmSIN - LHR
2 stops18h 30mAustrian Airlines
Deal found 7/29$724
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:15 pmLHR - SIN
2 stops20h 15mRoyal Brunei Airlines
Sat 9/2712:10 pmSIN - LHR
2 stops25h 15mRoyal Brunei Airlines
Deal found 7/28$725

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 July 29, 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

Tue 11/4

4:40 pm-5:25 pm

1 stop16h 45m

Singapore Changi

Sat 11/22

11:45 pm-8:05 am

1 stop16h 20m

$658

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 9/22

10:05 pm-2:30 am

1 stop21h 25m

Singapore Changi

Fri 9/26

6:10 pm-7:50 pm

1 stop32h 40m

$659

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 9/12

10:05 pm-2:30 am

1 stop21h 25m

Singapore Changi

Sun 9/21

12:05 pm-7:30 pm

2 stops38h 25m

$661

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 9/30

8:35 pm-9:45 pm

1 stop18h 10m

Singapore Changi

Mon 10/6

8:45 am-7:00 pm

1 stop17h 15m

$663

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 11/4

6:40 pm-6:00 pm

1 stop15h 20m

Singapore Changi

Sat 11/15

12:05 am-1:40 pm

2 stops21h 35m

$666

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 1/15

7:20 pm-9:05 am

1 stop29h 45m

Singapore Changi

Tue 3/3

8:40 pm-2:30 pm

1 stop25h 50m

$671

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 10/2

10:00 am-12:20 pm

1 stop19h 20m

Singapore Changi

Wed 10/8

8:00 pm-6:55 am

1 stop17h 55m

$701

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 9/7

7:30 pm-7:40 pm

2 stops17h 10m

Singapore Changi

Tue 9/23

8:50 pm-8:20 am

2 stops18h 30m

$724

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 8/27

5:15 pm-8:30 pm

2 stops20h 15m

Singapore Changi

Sat 9/27

12:10 pm-6:25 am

2 stops25h 15m

$725

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 9/16

9:35 pm-4:50 am

2 stops48h 15m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 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 July 25, 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $995). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,679). 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 July 29, 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.

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 July 29, 2025.

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

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 July 29, 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Singapore, such as Hainan Airlines, Singapore Airlines, and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Entertainment

7.4

Comfort

8.0

Crew

8.8

Food

8.4

Overall

8.2

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
8.2
Very good
43 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Entertainment

7.4

Comfort

8.0

Crew

8.8

Food

8.4

Overall

8.2

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
1,338 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Entertainment

7.4

Comfort

8.0

Crew

8.8

Food

8.4

Overall

8.2

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.
Austrian Airlines
7.6
Good
821 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Entertainment

7.4

Comfort

8.0

Crew

8.8

Food

8.4

Overall

8.2

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.
SWISS
7.5
Good
1,683 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Entertainment

7.4

Comfort

8.0

Crew

8.8

Food

8.4

Overall

8.2

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 37 daily inbound flights from London Heathrow from 5 different airlines.

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

    According to our current data, Lufthansa ($658), Shenzhen Airlines ($659), and Air India ($663) offers the cheapest pricing from London Heathrow Airport to Singapore. You may be able to fly from London Heathrow Airport to Singapore for 23% 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 $425 on Air India. Other airlines that offer cheap prices include Shenzhen Airlines from $432 and China Eastern from $450 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 (79%), Croatia Airlines (77%), Air Canada( 73%).

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

    While on average a flight from London Heathrow Airport to Singapore is generally $6,180, our data shows the cheapest flight currently is $601. When looking at the most popular route, (London Heathrow - Singapore Changi), you can expect to pay $663 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 $995). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,679). 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 5 airlines flying from Heathrow to Singapore

Discover the top 5 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Gulf AirCheapest$514Average$760FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$620Average$856FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$652Average$698FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$697Average$885FlexibilityNo cancel feeOn-time81%
Thai AirwaysCheapest$782Average$815FlexibilityNo cancel feeOn-time77%

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