Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Singapore to London Heathrow Airport from £249

SIN — LHR
29 Sep — 6 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

Fri 20/1119:25 -
2 stops24h 00m
Sun 22/1108:50 -
1 stop16h 45m
Deal found 30/8£558
Fri 25/902:20 -
1 stop17h 20m
Sat 3/1022:10 -
1 stop34h 20m
Deal found 29/8£558
Thu 1/1020:00 -
1 stop17h 55m
Sun 4/1022:05 -
1 stop31h 40m
Deal found 28/8£559
Mon 21/910:35 -
1 stop16h 40m
Tue 29/909:05 -
1 stop16h 30m
Deal found 27/8£560
Sun 25/1023:15 -
Nonstop14h 30m
Sun 8/1118:45 -
Nonstop13h 20m
Deal found 30/8£561
Sat 12/923:25 -
Nonstop14h 10m
Sat 19/919:25 -
Nonstop13h 45m
Deal found 27/8£561
Fri 25/910:25 -
1 stop17h 40m
Thu 15/1018:00 -
1 stop32h 30m
Deal found 28/8£562
Mon 14/908:45 -
1 stop17h 45m
Sat 19/922:05 -
1 stop20h 55m
Deal found 30/8£563
Thu 17/1219:25 -
1 stop19h 15m
Tue 5/108:50 -
1 stop16h 45m
Deal found 27/8£564
Tue 8/909:00 -
1 stop18h 25m
Tue 15/920:25 -
1 stop18h 30m
Deal found 27/8£564
Mon 7/919:40 -
1 stop17h 50m
Sat 12/922:00 -
1 stop34h 00m
Deal found 27/8£565
Fri 25/909:00 -
1 stop18h 25m
Fri 2/1022:00 -
2 stops30h 00m
Deal found 28/8£566

Find flight deals from Singapore to Heathrow

Round-trip from

£558

One-way from

£249

Popular in

March

Cheapest in

January

Average price

£741

Good round-trip deal

£649 or less

Good one-way deal

£468 or less
Etihad Airways
  • Etihad Airways
  • 20/11-22/11
  • 3 total stops
  • 40h 45m total
  • Singapore to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 15/12
  • 1 total stop
  • 27h 05m total
  • Singapore to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Singapore to London Heathrow.
Search Deals
Price to beat on a one-way flight from Singapore to London Heathrow.
Search Deals

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

Fri 25/9

10:25-21:05

1 stop17h 40m

London Heathrow

Thu 15/10

18:00-09:30

1 stop32h 30m

£562
Fastest return journey

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Mon 19/10

23:25-06:35

Nonstop14h 10m

London Heathrow

Mon 16/11

18:45-16:05

Nonstop13h 20m

£571

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Wed 10/2

00:05-13:40

2 stops21h 35m

London Heathrow

Wed 7/4

14:25-17:10

2 stops19h 45m

£660

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Fri 18/12

23:15-05:45

Nonstop14h 30m

London Heathrow

Wed 30/12

15:30-14:55

1 stop15h 25m

£783

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Thu 10/9

23:25-06:35

Nonstop14h 10m

London Heathrow

Sun 20/9

17:00-15:45

1 stop15h 45m

£793

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Fri 25/12

08:00-19:20

1 stop19h 20m

London Heathrow

Fri 1/1

08:45-09:20

1 stop16h 35m

£800

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Mon 26/10

23:15-05:45

Nonstop14h 30m

London Heathrow

Fri 30/10

18:45-16:05

Nonstop13h 20m

£812

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Sat 7/11

20:50-18:25

1 stop29h 35m

London Heathrow

Sun 22/11

20:05-20:30

2 stops40h 25m

£832

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Mon 26/10

09:35-05:55

2 stops28h 20m

London Heathrow

Fri 30/10

20:05-19:40

1 stop15h 35m

£833

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Thu 10/9

13:10-19:20

2 stops37h 10m

London Heathrow

Tue 15/9

21:35-13:55

2 stops33h 20m

£849

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 21 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

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 £583). Flying from Singapore to London Heathrow Airport in August is currently the most expensive (average of £755). 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 Monday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

How often are flights from Singapore to London delayed?

About 11% of weekly flights between Singapore and London have experienced delays in the past year, with the average delay time being 147 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 Thursday 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
1,591 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
8.0
Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Singapore Airlines
8.2
Very Good
1,591 reviews
Singapore Airlines
8.2
Very Good
1,591 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
8.0
Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Emirates
8.1
Very Good
3,651 reviews
Singapore Airlines
8.2
Very Good
1,591 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
8.0
Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Qantas Airways
7.5
Good
1,087 reviews
Singapore Airlines
8.2
Very Good
1,591 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
8.0
Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Qatar Airways
7.4
Good
3,725 reviews
Singapore Airlines
8.2
Very Good
1,591 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
8.0
Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
British Airways
6.7
Okay
8,196 reviews
Singapore Airlines
8.2
Very Good
1,591 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Entertainment

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
8.0
Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Related info for your journey

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

    Airlines like Turkish Airlines, British Airways, and SWISS fly from Singapore to London Heathrow Airport in about 14h 10m. The time it takes to get you to your destination can typically vary by up to 7h 25m. 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 £176 on Malaysia Airlines. Other airlines that offer cheap prices include China Eastern from £178 and Etihad Airways from £193 one-way.

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

    Consider Croatia Airlines (96%), Garuda Indonesia (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 £663 for a flight from Singapore to London Heathrow Airport. The cheapest flight overall is £342 while the most popular route, (Singapore Changi - London Heathrow) is currently priced at £439.

  • 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 £583). Flying from Singapore to London Heathrow Airport in August is currently the most expensive (average of £755). 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
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Salisbury
Southall
Southend-on-Sea
Enfield
Kingston upon Thames
Watford

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Singapore to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£445Average£501FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£524Average£591FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£568Average£621FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£582Average£663FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest£585Average£738FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
British AirwaysCheapest£592Average£968FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.