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Singapore

$365+ Cheap flights from Heathrow (LHR) to Singapore (SIN)

LHR — SIN
Oct 13 — Oct 201
Tue 10/13
Tue 10/20
1 adult, Economy
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Find cheap flights from Heathrow to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in January or May, booked 61 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to Singapore

Cheapest flights from Heathrow to Singapore

Mon 9/2810:05 pm -
1 stop20h 55m
Wed 10/73:00 am -
1 stop23h 50m
Deal found 9/13$647
Tue 11/2410:30 pm -
1 stop19h 30m
Mon 12/73:00 am -
1 stop25h 30m
Deal found 9/11$652
Thu 9/2410:00 pm -
1 stop21h 00m
Wed 10/73:00 am -
1 stop23h 50m
Deal found 9/10$654
Thu 9/1710:00 pm -
1 stop34h 00m
Thu 9/248:50 pm -
1 stop29h 20m
Deal found 9/10$655
Sat 11/149:10 pm -
1 stop31h 20m
Sat 11/286:45 pm -
1 stop32h 25m
Deal found 9/9$656
Mon 9/289:20 pm -
1 stop25h 05m
Fri 10/211:10 pm -
1 stop26h 30m
Deal found 9/12$657
Fri 10/309:00 pm -
2 stops34h 10m
Tue 11/1712:15 pm -
1 stop36h 05m
Deal found 9/9$659
Wed 9/3010:05 pm -
1 stop31h 15m
Tue 10/203:00 am -
1 stop24h 00m
Deal found 9/10$663

Find flight deals from Heathrow to Singapore

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$648
(FlightHub)

One-way from

$365
(Aegean Airlines)

Popular in

December

Cheapest in

January

Average price

$866

Good round-trip deal

$1,007 or less

Good one-way deal

$1,006 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. 2% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Thu 3/4

7:00 pm-3:10 am

1 stop24h 10m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$365

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Thu 1/28

10:15 pm-3:10 am

1 stop20h 55m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$396

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Thu 3/11

10:15 pm-3:10 am

1 stop20h 55m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$416

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Sat 2/27

9:10 pm-5:15 pm

1 stop36h 05m

Singapore Changi

Tue 3/2

3:00 am-7:10 pm

1 stop24h 10m

$678

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Wed 9/23

6:55 am-11:45 am

2 stops21h 50m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$760

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Fri 3/12

2:40 pm-7:10 pm

2 stops44h 30m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$790

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Thu 10/29

6:45 pm-4:05 pm

Nonstop13h 20m

Singapore Changi

Thu 11/5

11:15 pm-5:45 am

Nonstop14h 30m

$802

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Wed 9/30

10:00 pm-6:40 pm

Nonstop13h 40m

Singapore Changi

Wed 10/21

10:40 pm-5:35 am

Nonstop13h 55m

$803

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Tue 10/6

7:30 pm-9:55 pm

2 stops19h 25m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$805

LondonSingapore

LHR London Heathrow - SIN Singapore Changi

LHRSIN

London Heathrow

Mon 10/5

7:50 pm-8:30 pm

2 stops41h 40m

Singapore Changi

Wed 12/31

12:00 am-5:30 pm

Nonstop0h 00m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Compare providers for flights from Heathrow to Singapore

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Singapore in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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.

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

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?

Booking 60 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $817). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,219). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Singapore as you normally would.

How much does it cost to fly round-trip from London Heathrow Airport to Singapore?

Airfare is below average for this route at the moment.

London Heathrow Airport to Singapore flights typically cost between $771 and $959 in September.
The cheapest round-trip price found within the last 5 days was $647 on Shenzhen Airlines (Sep 28-Oct 7).

The best insider tips for London Heathrow Airport to Singapore flights

Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Singapore trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LHR

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 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

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from London Heathrow Airport to Singapore, such as Singapore Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,600 reviews

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.
Singapore Airlines
8.2
Very good
1,600 reviews
Singapore Airlines
8.2
Very good
1,600 reviews

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.
British Airways
6.7
Okay
8,220 reviews
Singapore Airlines
8.2
Very good
1,600 reviews

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Walter,Aug 2026

DPS - SIN

My experience with Cathay Pacific started badly and only became more frustrating as the trip continued. It began when my original flight, which I had booked in Business Class, was canceled. Because of the cancellation, I was involuntarily downgraded. I understood that disruptions happen and was willing to accept the downgrade, but the way Cathay Pacific handled the situation afterward was extremely disappointing. The biggest issue was the lack of communication between airports. When I arrived at the next airport, the staff apparently had no record or confirmation that Cathay Pacific had downgraded me. As a result, I was forced to wait approximately an hour and a half while they tried to verify what had happened and determine how to handle my reservation. This happened at around 2:00 a.m., after an exhausting travel day that had already stretched to roughly 22 hours because of delays. At that point, I was completely exhausted and simply wanted to get to my destination and rest. Having to spend another 90 minutes resolving an issue that should have already been documented and communicated internally made an already difficult travel experience considerably worse. What was even more disappointing was the refund process. Because I had paid for Business Class but was involuntarily downgraded, I expected the fare difference to be refunded automatically. Instead, I discovered that I had to contact Cathay Pacific myself to request reimbursement. When I called, I was initially told that my situation did not qualify for a refund and that I would only be offered a travel voucher. I found that response unacceptable. I had paid for Business Class transportation that Cathay Pacific ultimately did not provide. A voucher requiring me to spend money with the airline again is not the same as refunding money for a service that was never delivered. After several heated minutes of discussion, Cathay Pacific finally agreed to refund both tickets. The cancellation itself was understandable. Even the involuntary downgrade was something I was prepared to accept given the circumstances. What made this experience unacceptable was the poor communication between airports, the lengthy middle-of-the-night delay caused by Cathay Pacific’s internal handling of the downgrade, and then having to argue simply to receive a refund for the Business Class service I had paid for but did not receive. For an airline that markets itself as a premium international carrier, I expected significantly better communication, customer service, and handling of an involuntary downgrade. Unfortunately, after this experience, Cathay Pacific has lost my confidence as a customer. This will be the last time I choose to fly with them.

Related info for your journey

  • 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 36 daily inbound flights from London Heathrow from 3 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 13h 20m. Fly via Shenzhen Airlines or British Airways to get the fastest option. The distance from London Heathrow Airport to Singapore is about 6757 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Gulf Air ($625), Singapore Airlines ($764), and British Airways ($851) 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 $458 on British Airways. Other airlines that offer cheap prices include Singapore Airlines from $468 and Qantas Airways from $505 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: Croatia Airlines (100%), Garuda Indonesia (97%), Air Canada( 95%).

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

    While on average a flight from London Heathrow Airport to Singapore is generally $2,989, our data shows the cheapest flight currently is $800. When looking at the most popular route, (London Heathrow - Singapore Changi), you can expect to pay $617 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of $817). Flying from London Heathrow Airport to Singapore in December is currently the most expensive (average of $1,219). 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

Alternative routes for Heathrow to Singapore

Gatwick to Singapore flights

Top 2 airlines flying from Heathrow to Singapore

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$764Average$984FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$851Average$1,119FlexibilityNo cancel feeOn-time70%

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