Cheap flights from Singapore to London Heathrow Airport from $449

SIN — LHR
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to London Heathrow are usually found in February or January, booked 52 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Singapore to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Heathrow

Tue 22/1219:25 -
1 stop24h 40m
Tue 5/113:55 -
1 stop35h 40m
Deal found 10/11$988
Thu 19/1119:25 -
1 stop27h 05m
Mon 23/1108:40 -
1 stop17h 05m
Deal found 11/11$1,002
Tue 1/1219:40 -
1 stop31h 15m
Fri 4/1221:05 -
1 stop28h 15m
Deal found 7/11$1,008
Sun 27/1219:25 -
1 stop27h 05m
Wed 6/108:40 -
1 stop16h 55m
Deal found 7/11$1,019
Tue 1/1210:25 -
1 stop18h 40m
Fri 4/1206:25 -
1 stop18h 20m
Deal found 9/11$1,027
Mon 23/1111:40 -
1 stop17h 25m
Sun 6/1206:25 -
1 stop19h 35m
Deal found 9/11$1,046
Sat 14/1120:00 -
1 stop18h 35m
Thu 19/1109:30 -
1 stop19h 20m
Deal found 8/11$1,055
Fri 4/1202:15 -
1 stop18h 00m
Sun 13/1212:30 -
1 stop19h 00m
Deal found 10/11$1,056
Tue 10/1113:10 -
1 stop25h 25m
Mon 28/1213:30 -
1 stop21h 00m
Deal found 9/11$1,074
Mon 14/1219:40 -
1 stop23h 25m
Mon 28/1220:30 -
1 stop38h 00m
Deal found 8/11$1,083
Tue 24/1110:25 -
1 stop18h 40m
Mon 30/1116:30 -
1 stop33h 30m
Deal found 8/11$1,090
Tue 15/1219:40 -
1 stop23h 25m
Mon 28/1213:30 -
1 stop21h 00m
Deal found 8/11$1,115

Find flight deals from Singapore to Heathrow

Round-trip from

$988

One-way from

$449

Popular in

December

Cheapest in

February

Average price

$1,209

Good round-trip deal

$1,360 or less

Good one-way deal

$1,113 or less
Etihad Airways
  • Etihad Airways
  • 6/2-25/2
  • 2 total stops
  • 60h 20m total
  • Singapore to London
Etihad Airways
  • Etihad Airways
  • 26/12-31/12
  • 1 total stop
  • 27h 05m total
  • Singapore to London
Highest demand for flights based on searches. 3% potential increase in price ($80 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average return price).
Average for round-trip flights in November 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

 
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

Tue 15/12

03:15-07:25

1 stop36h 10m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$533

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Tue 8/12

10:40-21:40

2 stops19h 00m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$618

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Mon 8/3

12:30-07:10

2 stops26h 40m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$650

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Tue 29/12

00:05-13:40

2 stops21h 35m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$666

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Wed 13/1

21:20-13:50

2 stops24h 30m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$702

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Thu 7/1

19:25-12:05

1 stop24h 40m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$710

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Tue 5/1

21:00-16:10

1 stop27h 10m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$917

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Tue 22/12

19:25-12:05

1 stop24h 40m

London Heathrow

Tue 5/1

13:55-09:35

1 stop35h 40m

$988

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Wed 13/1

23:05-05:25

Nonstop14h 20m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$1,065
Fastest return journey

SingaporeLondon

SIN Singapore Changi - LHR London Heathrow

SINLHR

Singapore Changi

Thu 15/4

22:40-05:35

Nonstop13h 55m

London Heathrow

Wed 31/12

00:00-06:30

Nonstop0h 00m

$1,067

Flights are sorted by cheapest return flights first.

Deals found on 11/11

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

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

The price you pay for your flight from Singapore to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,150). Flying from Singapore to London Heathrow Airport in December is currently the most expensive (average of $1,744). 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?

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.

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

Airfare is below average for this route at the moment.

Singapore to London Heathrow Airport flights typically cost between $1,014 and $1,421 in February.
The cheapest return price found within the last 5 days was $988 on Etihad Airways (6 Feb–27 Feb).

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Singapore Airlines,Emirates, andBritish Airways from Singapore to London Heathrow Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

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.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

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.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

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.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

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

  • What airport do you fly from for flights from Singapore to London Heathrow?

    Most people fly from Singapore Changi (SIN) if they book a flight from Singapore to London Heathrow. On average, Changi has 35 outbound flights to London Heathrow per day from 3 airlines. Singapore Changi is conveniently located just 16.9 km from Singapore’s city centre.

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

    There are many flights that can get you from Singapore to London Heathrow Airport in 16h 40m. Fly via Air India, Oman Air, or British Airways to get the fastest option. Singapore and London Heathrow Airport are separated by a distance of 10874 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at $1,034. Additional round-trip tickets that might be worth considering are offered by Emirates and Singapore Airlines, with the lowest prices starting at $1,065 and $1,356, respectively. British Airways is priced at 22% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as $494. Users have also found prices from $526 and $646 on Emirates and British Airways, respectively.

  • 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 (89%), Iberia (89%) and British Airways (89%).

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

    Looking for the cheapest flight from Singapore to London Heathrow Airport? While on average our users pay $2,076, our data indicates the cheapest price to be $1,045. The most popular route (Singapore Changi - London Heathrow), is priced around $937.

  • 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 $1,150). Flying from Singapore to London Heathrow Airport in December is currently the most expensive (average of $1,744). 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
Hounslow
Salisbury
St. Albans
Luton
Horsham
Brentford
Dover
Aylesbury
Dorking
Guildford
Stansted
Braintree
Gatwick
Kingston upon Thames
Uxbridge
Twickenham
Chertsey
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Singapore to Heathrow

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,034Average$1,475FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest$1,065Average$1,295FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Singapore AirlinesCheapest$1,356Average$1,512FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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

When you search for this flight from Singapore to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Singapore to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Heathrow flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Singapore to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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