Cheap flights from Singapore to London Heathrow Airport from £251

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — LHR
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to London Heathrow are usually found in November or February, booked 73 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Singapore to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Heathrow
Explore the most affordable flight options available from Singapore to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Thu 22/1021:35
SIN
-
LHR
1 stop24h 35m
Finnair
Sun 1/1116:15
LHR
-
SIN
1 stop18h 25m
Finnair
Deal found 12/3£525
Sun 18/1021:15
SIN
-
LHR
1 stop26h 20m
Malaysia Airlines
Sun 25/1021:25
LHR
-
SIN
1 stop15h 10m
Malaysia Airlines
Deal found 12/3£525
Fri 22/513:10
SIN
-
LHR
1 stop36h 50m
Air India
Fri 12/609:45
LHR
-
SIN
1 stop19h 25m
Air India
Deal found 13/3£526
Mon 1/621:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Sat 20/621:45
LHR
-
SIN
1 stop28h 55m
Etihad Airways
Deal found 14/3£527
Thu 11/621:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Sat 27/621:45
LHR
-
SIN
1 stop28h 55m
Etihad Airways
Deal found 14/3£528
Tue 2/621:00
SIN
-
LHR
1 stop22h 45m
Etihad Airways
Thu 18/609:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 12/3£528
Fri 8/520:00
SIN
-
LHR
1 stop17h 55m
Multiple Airlines
Fri 5/622:00
LHR
-
SIN
2 stops22h 10m
Multiple Airlines
Deal found 15/3£529
Mon 4/520:00
SIN
-
LHR
1 stop17h 55m
Multiple Airlines
Fri 15/522:00
LHR
-
SIN
2 stops22h 10m
Multiple Airlines
Deal found 16/3£530
Sat 18/421:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Wed 20/509:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 12/3£531
Sun 19/421:00
SIN
-
LHR
1 stop22h 45m
Etihad Airways
Mon 4/509:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 12/3£531
Mon 11/506:20
SIN
-
LHR
1 stop17h 15m
Multiple Airlines
Fri 15/522:00
LHR
-
SIN
2 stops22h 10m
Multiple Airlines
Deal found 12/3£532
Wed 1/420:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Fri 3/422:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 12/3£533

Find flight deals from Singapore to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Heathrow (LHR). 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 17 March 2026.

Round-trip from

£526

One-way from

£251

Popular in

December

Cheapest in

November

Average price

£650

Good round-trip deal

£654 or less

Good one-way deal

£676 or less
Hainan Airlines
  • Hainan Airlines
  • 8/5-5/6
  • 3 total stops
  • 40h 05m total
  • Singapore to London
21/5
  • 21/5
  • 2 total stops
  • 18h 15m total
  • Singapore to London
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Singapore Changi to London Heathrow.
Price to beat on a one-way flight from Singapore Changi to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Heathrow 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 858,174 searches. Data last updated 17 March 2026.
Use the filters below to find and compare flights from Singapore to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Wed 3/6

19:40-06:25

1 stop17h 45m

London Heathrow

Thu 25/6

21:25-21:15

1 stop16h 50m

£554

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Tue 21/4

20:00-15:20

1 stop26h 20m

London Heathrow

Thu 23/4

10:00-12:45

1 stop19h 45m

£560

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 26/3

10:30-07:10

1 stop28h 40m

London Heathrow

Mon 30/3

22:15-21:45

1 stop16h 30m

£602

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 30/4

11:05-19:10

2 stops39h 05m

London Heathrow

Thu 7/5

20:50-09:05

2 stops29h 15m

£619

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Tue 28/4

16:35-19:10

2 stops33h 35m

London Heathrow

Tue 5/5

20:50-00:10

2 stops20h 20m

£624

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Fri 8/5

06:20-19:10

2 stops19h 50m

London Heathrow

Tue 26/5

20:50-00:10

2 stops20h 20m

£655

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Wed 13/5

06:20-19:10

2 stops19h 50m

London Heathrow

Sun 17/5

08:25-11:25

2 stops20h 00m

£655
Fastest return journey

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Sat 13/6

10:20-20:25

1 stop17h 05m

London Heathrow

Wed 17/6

19:25-16:05

Nonstop13h 40m

£743

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 4/6

10:20-20:25

1 stop17h 05m

London Heathrow

Sun 14/6

19:25-16:05

Nonstop13h 40m

£747

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Thu 26/3

06:00-18:25

2 stops20h 25m

London Heathrow

Mon 30/3

20:50-00:10

2 stops20h 20m

£760

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Singapore to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Singapore with our price prediction graph.
Estimated return 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 Singapore to London Heathrow Airport

How far ahead should I book a flight from Singapore to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Singapore to Heathrow. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Singapore to London Heathrow Airport, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Singapore to London Heathrow Airport (average of £449). Flying from Singapore to London Heathrow Airport in August is currently the most expensive (average of £544). 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 SIN to LHR?

Find hourly flight availability from Singapore to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 March 2026.

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

How much does it cost for a return flight from Singapore to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 17 March 2026.
Read through reviews of airlines operating flights from Singapore to London Heathrow Airport, such as Singapore Airlines,Emirates, andQantas Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Crew

8.6

Overall

8.2

Entertainment

8.0

Comfort

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Heathrow. 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 from for flights from Singapore to London Heathrow?

    Singapore Changi (SIN) is the airport you will fly out of if you book a flight from Singapore to London Heathrow. You should not have trouble finding flights to London Heathrow from Changi; the airport handles an average of 36 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Singapore airport to London Heathrow. It is only a 10.5 mi journey to Changi (SIN) from Singapore’s city center.

  • How long is the flight from Singapore to London Heathrow Airport?

    Airlines like Qatar Airways, Gulf Air, and Emirates fly from Singapore to London Heathrow Airport in about 17h 45m. The time it takes to get you to your destination can typically vary by up to 10h 55m. Singapore and London Heathrow Airport are separated by a distance of 6757 mi. This flight may include one or multiple stops.

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

    Flying on Etihad Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £458. Additional return tickets that might be worth considering are offered by Qatar Airways and Qantas Airways, with the lowest prices starting at £535 and £569, respectively. Etihad Airways is currently priced 30% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as £173 on Hainan Airlines. Other airlines that offer cheap prices include Etihad Airways from £197 and Air China from £203 one-way.

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

    The top 3 most reliable airlines when flying from Singapore to London Heathrow Airport are American Airlines (94%), Iberia (93%) and British Airways (93%).

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

    The cheapest flight price from Singapore to London Heathrow Airport is £521. On average you can expect to pay £1,858. The most popular route, (Singapore Changi - London Heathrow), can usually be booked for £453.

  • Can I find deals for flights from Singapore to Heathrow that include hotel bookings?

    Yes. In addition to deals on Singapore to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Heathrow.

  • Can I find deals for business class flights from Singapore to Heathrow?

    Yes. Cheapflights offers flight deals from Singapore to Heathrow 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 Singapore to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Singapore to London Heathrow Airport (average of £449). Flying from Singapore to London Heathrow Airport in August is currently the most expensive (average of £544). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Singapore to Heathrow

Discover the top 6 airlines that operate flights from Singapore to Heathrow. 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 858,174 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£458Average£634FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£535Average£702FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest£569Average£662FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£572Average£835FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
British AirwaysCheapest£573Average£854FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest£587Average£630FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Heathrow?

Deals for Singapore to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Singapore.

Can Cheapflights find flights from Singapore to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Singapore to Heathrow become cheaper?

Of course! You can now track prices for flights from Singapore to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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