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Cheap flights from Singapore to London Heathrow Airport from £248

SIN — LHR
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Heathrow

Tue 22/1212:15 -
1 stop36h 05m
Wed 23/1219:45 -
1 stop31h 25m
Deal found 20/9£523
Thu 29/1012:15 -
2 stops37h 30m
Wed 25/1119:45 -
1 stop23h 25m
Deal found 19/9£524
Thu 22/1005:25 -
1 stop17h 35m
Tue 24/1117:55 -
1 stop15h 45m
Deal found 19/9£525
Fri 25/920:50 -
1 stop16h 40m
Mon 9/1121:40 -
1 stop31h 10m
Deal found 21/9£525
Mon 28/920:00 -
1 stop17h 55m
Sun 4/1022:05 -
1 stop31h 40m
Deal found 20/9£526
Mon 12/1020:00 -
1 stop26h 20m
Mon 19/1021:10 -
2 stops29h 30m
Deal found 20/9£527
Wed 30/920:00 -
1 stop17h 55m
Sat 3/1010:00 -
1 stop19h 45m
Deal found 16/9£528
Sun 1/1112:15 -
2 stops38h 00m
Sun 8/1121:40 -
1 stop31h 10m
Deal found 17/9£528
Mon 21/913:10 -
1 stop37h 50m
Wed 7/1020:35 -
1 stop27h 50m
Deal found 19/9£529
Thu 24/920:50 -
1 stop16h 40m
Mon 28/921:20 -
1 stop25h 05m
Deal found 17/9£530
Wed 28/1004:40 -
1 stop19h 40m
Wed 25/1119:45 -
1 stop23h 25m
Deal found 19/9£531
Wed 23/920:00 -
1 stop26h 20m
Mon 28/910:00 -
1 stop19h 45m
Deal found 17/9£531

Find flight deals from Singapore to Heathrow

Round-trip from

£524

One-way from

£248

Popular in

March

Cheapest in

January

Average price

£611

Good round-trip deal

£720 or less

Good one-way deal

£474 or less
Hainan Airlines
  • Hainan Airlines
  • 29/10-25/11
  • 3 total stops
  • 60h 55m total
  • Singapore to London
Search Deals
26/9-31/12
  • 26/9-31/12
  • 2 total stops
  • 42h 45m total
  • Singapore to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return 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 Singapore to London Heathrow.
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Price to beat on a one-way flight from Singapore to London Heathrow.
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Cheapflights Fare Finder

 
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 Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Sat 31/10

10:25-09:45

1 stop31h 20m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£303

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Sun 8/11

12:30-16:10

2 stops35h 40m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£315

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Mon 19/10

12:30-07:05

2 stops25h 35m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£315

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Fri 16/10

12:30-20:15

2 stops38h 45m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£315

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Sun 18/10

21:30-07:05

2 stops40h 35m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£333

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Tue 13/10

21:30-12:25

2 stops21h 55m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£333

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Tue 20/10

13:00-07:05

2 stops25h 05m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£333

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Wed 7/10

12:35-19:30

Nonstop13h 55m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£345
Fastest return journey

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Sun 11/10

09:00-15:45

Nonstop13h 45m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

£345

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Fri 4/12

11:40-22:30

1 stop18h 50m

London Heathrow

Tue 15/12

17:55-08:45

1 stop30h 50m

£567

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Cheapflights Insights

Everything you need to know about your flight from Singapore to London Heathrow Airport

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

Currently, February is the cheapest month in which you can book a flight from Singapore to London Heathrow Airport (average of £590). Flying from Singapore to London Heathrow Airport in August is currently the most expensive (average of £821). 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 SG to LHR?

When flying from Singapore to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Singapore to London Heathrow Airport

The most flights from SG0 to LHR are scheduled on a Friday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

How often are flights from Singapore to London delayed?

About 10% of weekly flights between Singapore and London have experienced delays in the past year, with the average delay time being 142 minutes.

What is the most punctual flight time for Singapore to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Singapore to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 5% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Singapore to London Heathrow Airport, you should look to book at least 51 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.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Singapore Airlines,Emirates, andQantas Airways from Singapore to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,606 reviews
Check prices

Overall

8.2

Entertainment

8.1

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Singapore Airlines
8.2
Very Good
1,606 reviews
Singapore Airlines
8.2
Very Good
1,606 reviews
Check prices

Overall

8.2

Entertainment

8.1

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Emirates
8.1
Very Good
3,663 reviews
Singapore Airlines
8.2
Very Good
1,606 reviews
Check prices

Overall

8.2

Entertainment

8.1

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Qantas Airways
7.5
Good
1,101 reviews
Singapore Airlines
8.2
Very Good
1,606 reviews
Check prices

Overall

8.2

Entertainment

8.1

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Qatar Airways
7.3
Good
3,731 reviews
Singapore Airlines
8.2
Very Good
1,606 reviews
Check prices

Overall

8.2

Entertainment

8.1

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
British Airways
6.7
Okay
8,227 reviews
Singapore Airlines
8.2
Very Good
1,606 reviews
Check prices

Overall

8.2

Entertainment

8.1

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Related info for your journey

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

    Airlines like Turkish Airlines, Qatar Airways, and SWISS fly from Singapore to London Heathrow Airport in about 18h 50m. The time it takes to get you to your destination can typically vary by up to 3h 15m. 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 to fly from Singapore to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £178 on Malaysia Airlines. Other airlines that offer cheap prices include China Eastern from £180 and Etihad Airways from £195 one-way.

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

    Consider Air Canada (97%), Croatia Airlines (96%) or American Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from Singapore to London Heathrow Airport.

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

    On average you can expect to pay £1,624 for a flight from Singapore to London Heathrow Airport. The cheapest flight overall is £346 while the most popular route, (Singapore Changi - London Heathrow) is currently priced at £401.

  • 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, February is the cheapest month in which you can book a flight from Singapore to London Heathrow Airport (average of £590). Flying from Singapore to London Heathrow Airport in August is currently the most expensive (average of £821). 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
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Singapore to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£376Average£490FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£531Average£581FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£559Average£628FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£589Average£671FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£610Average£747FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
British AirwaysCheapest£676Average£989FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Singapore to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Singapore to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Singapore to Heathrow with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Singapore today and book when prices fit your budget.

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