Cheap flights from Singapore to London Heathrow Airport from S$ 434
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 6-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — LHR
17 Jun — 24 Jun1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to London Heathrow are usually found in November or February, booked 52 days in advance, depart on a Monday or Saturday and return on a Saturday
Cheap flight deals from Singapore to Heathrow
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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 18 May 2026.
Tue 16-621:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Mon 29-609:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 13-5S$ 896
Fri 19-621:00
SIN
-
LHR
1 stop22h 45m
Etihad Airways
Wed 8-709:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 13-5S$ 897
Thu 17-921:00
SIN
-
LHR
1 stop28h 45m
Etihad Airways
Mon 21-920:50
LHR
-
SIN
1 stop29h 50m
Etihad Airways
Deal found 13-5S$ 899
Sun 7-616:15
SIN
-
LHR
2 stops34h 15m
Hainan Airlines
Mon 22-622:00
LHR
-
SIN
2 stops30h 00m
Hainan Airlines
Deal found 16-5S$ 900
Fri 25-920:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Thu 15-1010:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Deal found 16-5S$ 901
Mon 13-720:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Mon 17-822:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 14-5S$ 902
Sat 26-921:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Wed 14-1009:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 15-5S$ 904
Thu 28-520:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Sun 31-522:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 13-5S$ 914
Mon 1-620:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Sun 7-622:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 17-5S$ 915
Thu 11-620:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Thu 25-610:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Deal found 18-5S$ 919
Best flights from Singapore to Heathrow
Discover carefully curated flight deals from Singapore to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 May 2026.
Wed 17-621:30
SIN
-
LHR
2 stops23h 55m
Emirates
Tue 23-609:05
LHR
-
SIN
2 stops19h 25m
Emirates
Deal found 16-5S$ 1,183
Wed 4-1110:10
SIN
-
LHR
1 stop39h 20m
China Eastern
Wed 18-1121:00
LHR
-
SIN
3 stops54h 40m
China Eastern
Deal found 17-5S$ 1,226
Sat 25-721:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Sun 26-721:45
LHR
-
SIN
1 stop28h 55m
Etihad Airways
Deal found 13-5S$ 1,303
Thu 12-1112:45
SIN
-
LHR
Nonstop14h 25m
Singapore Airlines
Tue 17-1109:10
LHR
-
SIN
Nonstop13h 00m
Singapore Airlines
Deal found 16-5S$ 1,327
Thu 17-923:20
SIN
-
LHR
Nonstop14h 15m
British Airways
Mon 21-919:25
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 17-5S$ 1,557
Thu 12-1121:30
SIN
-
LHR
2 stops24h 20m
Emirates
Tue 17-1109:10
LHR
-
SIN
2 stops18h 20m
Emirates
Deal found 16-5S$ 1,183
Sat 18-702:30
SIN
-
LHR
3 stops47h 10m
China Eastern
Thu 20-821:20
LHR
-
SIN
2 stops31h 20m
China Eastern
Deal found 16-5S$ 1,447
Fri 25-923:20
SIN
-
LHR
Nonstop14h 15m
British Airways
Thu 15-1019:25
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 17-5S$ 1,575
Mon 14-922:40
SIN
-
LHR
Nonstop13h 55m
British Airways
Wed 30-919:25
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 14-5S$ 1,577
Direct flights from Singapore to Heathrow
Explore direct flight options from Singapore to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 May 2026.
Fri 29-522:40
SIN
-
LHR
Nonstop13h 55m
British Airways
Fri 19-622:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 16-5S$ 1,146
Thu 28-509:00
SIN
-
LHR
Nonstop13h 45m
Singapore Airlines
Sun 21-609:25
LHR
-
SIN
Nonstop13h 20m
Singapore Airlines
Deal found 16-5S$ 1,208
Thu 28-522:40
SIN
-
LHR
Nonstop13h 55m
British Airways
Thu 18-622:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 16-5S$ 1,225
Thu 28-522:40
SIN
-
LHR
Nonstop13h 55m
British Airways
Mon 22-622:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 16-5S$ 1,226
Fri 29-523:20
SIN
-
LHR
Nonstop14h 15m
British Airways
Sat 20-622:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 16-5S$ 1,265
Thu 28-523:20
SIN
-
LHR
Nonstop14h 15m
British Airways
Fri 19-622:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 16-5S$ 1,280
Wed 4-1112:45
SIN
-
LHR
Nonstop14h 25m
Singapore Airlines
Wed 18-1110:40
LHR
-
SIN
Nonstop13h 10m
Singapore Airlines
Deal found 17-5S$ 1,293
Tue 20-1012:35
SIN
-
LHR
Nonstop13h 55m
Singapore Airlines
Tue 27-1010:40
LHR
-
SIN
Nonstop13h 10m
Singapore Airlines
Deal found 16-5S$ 1,294
Fri 6-1109:00
SIN
-
LHR
Nonstop14h 20m
Singapore Airlines
Sat 14-1109:10
LHR
-
SIN
Nonstop13h 00m
Singapore Airlines
Deal found 16-5S$ 1,297
Wed 14-1009:00
SIN
-
LHR
Nonstop13h 45m
Singapore Airlines
Wed 28-1010:40
LHR
-
SIN
Nonstop13h 10m
Singapore Airlines
Deal found 14-5S$ 1,301
Fri 29-523:20
SIN
-
LHR
Nonstop14h 15m
British Airways
Thu 18-622:00
LHR
-
SIN
Nonstop13h 40m
British Airways
Deal found 16-5S$ 1,303
Last-minute flights from Singapore to Heathrow
Discover last-minute flight deals from Singapore to Heathrow. Data last updated 18 May 2026 and is based on user searches.
Tue 26-520:00
SIN
-
LHR
1 stop17h 55m
Multiple Airlines
Mon 1-622:00
LHR
-
SIN
2 stops22h 10m
Multiple Airlines
Deal found 15-5S$ 923
Tue 26-520:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Mon 15-610:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Deal found 18-5S$ 926
Thu 28-520:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Sun 31-522:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 13-5S$ 914
Mon 1-620:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Sun 7-622:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 17-5S$ 915
Sun 7-616:15
SIN
-
LHR
2 stops34h 15m
Hainan Airlines
Mon 22-622:00
LHR
-
SIN
2 stops30h 00m
Hainan Airlines
Deal found 16-5S$ 900
Thu 11-620:00
SIN
-
LHR
1 stop26h 20m
Gulf Air
Thu 25-610:00
LHR
-
SIN
1 stop19h 45m
Gulf Air
Deal found 18-5S$ 919
Thu 11-620:00
SIN
-
LHR
1 stop17h 55m
Gulf Air
Mon 22-622:05
LHR
-
SIN
1 stop31h 40m
Gulf Air
Deal found 17-5S$ 927
Tue 16-621:00
SIN
-
LHR
1 stop17h 00m
Etihad Airways
Mon 29-609:30
LHR
-
SIN
1 stop17h 10m
Etihad Airways
Deal found 13-5S$ 896
One-way flights from Singapore to Heathrow
Search for one-way flight options from Singapore to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 May 2026.
Fri 6-1120:00
SIN
-
LHR
1 stop26h 45m
Gulf Air
Deal found 15-5S$ 434
Fri 7-821:00
SIN
-
LHR
1 stop22h 45m
Etihad Airways
Deal found 18-5S$ 435
Mon 3-821:00
SIN
-
LHR
1 stop22h 45m
Etihad Airways
Deal found 15-5S$ 437
Mon 10-821:00
SIN
-
LHR
1 stop22h 45m
Etihad Airways
Deal found 16-5S$ 439
Sun 7-621:00
SIN
-
LHR
1 stop25h 05m
Etihad Airways
Deal found 16-5S$ 442
Tue 9-601:30
SIN
-
LHR
1 stop23h 30m
Qatar Airways
Deal found 16-5S$ 443
Thu 11-601:30
SIN
-
LHR
1 stop23h 30m
Qatar Airways
Deal found 17-5S$ 444
Sun 24-501:30
SIN
-
LHR
1 stop23h 30m
Qatar Airways
Deal found 14-5S$ 447
Sat 6-619:00
SIN
-
LHR
1 stop20h 00m
Qatar Airways
Deal found 15-5S$ 448
Mon 29-621:00
SIN
-
LHR
1 stop25h 05m
Etihad Airways
Deal found 15-5S$ 449
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 18 May 2026.
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 200,618 searches. Data last updated 18 May 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 17-6
21:30-14:25
2 stops23h 55m
London Heathrow
Tue 23-6
09:05-11:30
2 stops19h 25m
S$ 1,183
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Thu 12-11
21:30-13:50
2 stops24h 20m
London Heathrow
Tue 17-11
09:10-11:30
2 stops18h 20m
S$ 1,183
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Wed 4-11
10:10-17:30
1 stop39h 20m
London Heathrow
Wed 18-11
21:00-11:40
3 stops54h 40m
S$ 1,226
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Sat 25-7
21:00-07:00
1 stop17h 00m
London Heathrow
Sun 26-7
21:45-09:40
1 stop28h 55m
S$ 1,303
Fastest return journey
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Thu 12-11
12:45-19:10
Nonstop14h 25m
London Heathrow
Tue 17-11
09:10-06:10
Nonstop13h 00m
S$ 1,327
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Sat 18-7
02:30-18:40
3 stops47h 10m
London Heathrow
Thu 20-8
21:20-11:40
2 stops31h 20m
S$ 1,447
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Thu 17-9
23:20-06:35
Nonstop14h 15m
London Heathrow
Mon 21-9
19:25-16:05
Nonstop13h 40m
S$ 1,557
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Fri 25-9
23:20-06:35
Nonstop14h 15m
London Heathrow
Thu 15-10
19:25-16:05
Nonstop13h 40m
S$ 1,575
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Mon 14-9
22:40-05:35
Nonstop13h 55m
London Heathrow
Wed 30-9
19:25-16:05
Nonstop13h 40m
S$ 1,577
Cheapest one-way
SingaporeLondon
SIN - LHR
SINLHR
Singapore Changi
Fri 14-8
21:00-15:05
1 stop25h 05m
S$ 448
Flights are sorted by cheapest return flights first.
Deals found on 16-5
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.
SIN-LHR
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
Prices
Airlines
Delays
More
How far ahead should I book a flight from Singapore to London Heathrow Airport?
The best time to book flights from Singapore to London Heathrow Airport is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 S$ 986). Flying from Singapore to London Heathrow Airport in July is currently the most expensive (average of S$ 1,297). 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 18 May 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?
Weekly flight availability from Singapore to London Heathrow Airport
Explore weekly flight availability from Singapore to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 May 2026.
The most flights from SIN 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 (35 on average).
How often are flights from Singapore to London delayed?
About 14% of weekly flights between Singapore and London have experienced delays in the past year, with the average delay time being 144 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 Monday 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.
What’s the top stopover airport for flights from Singapore to London Heathrow Airport?
Share of one-stop return flights from Singapore to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Dubai (DXB) – chosen by Cheapflights users on 27% of one-stop itineraries from Singapore to London Heathrow Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Singapore to London Heathrow Airport?
Average return fare for one-stop flights from Singapore to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Colombo (CMB) is the most affordable one-stop option, with an average return flight price of S$ 1,054.
What’s the fastest stopover option from Singapore to London Heathrow Airport?
Shortest average travel time for one-stop one-way flights from Singapore to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Zurich (ZRH) have the shortest average one-way travel time for one-stop routes: 15h 42m.
Which airport typically offers the quickest stopover for flights from Singapore to London Heathrow Airport?
Average stopover duration for one-stop one-way flights from Singapore to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 1h 15m.
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 18 May 2026.
See what other customers who have flown with Singapore Airlines,Emirates, andQatar Airways from Singapore to London Heathrow Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
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?
Most people fly from Singapore Changi (SIN) if they book a flight from Singapore to London Heathrow. On average, Changi has 36 outbound flights to London Heathrow per day from 17 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?
Airlines like Emirates, China Eastern, and Etihad Airways fly from Singapore to London Heathrow Airport in about 17h. The time it takes to get you to your destination can typically vary by up to 22h 20m. The distance from Singapore to London Heathrow Airport is about 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?
Our cheapest airline available from Singapore to London Heathrow Airport is Malaysia Airlines. Our recent data shows that you can find tickets from as low as S$ 722 on this airline. Additional options worth looking into are Finnair and Etihad Airways, starting at S$ 749 and S$ 760 round-trip. You may be able to fly from Singapore to London Heathrow Airport for 36% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Singapore to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Singapore to London Heathrow Airport are Malaysia Airlines (S$ 241), Turkish Airlines (S$ 384), and Etihad Airways (S$ 407).
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 (88%), Iberia (88%) and British Airways (88%).
What are the cheapest flights from Singapore to London Heathrow Airport?
While on average a flight from Singapore to London Heathrow Airport is generally S$ 3,848, our data shows the cheapest flight currently is S$ 554. When looking at the most popular route, (Singapore Changi - London Heathrow), you can expect to pay S$ 821 for that flight.
Where are the most common stopover locations when flying from Singapore to London Heathrow Airport?
The most popular stopover on flights from Singapore to London Heathrow Airport is Dubai. Doha follows Dubai in terms of the most common stopover location on Singapore to London Heathrow Airport flights.
Where are the least popular stopover locations for Singapore to London Heathrow Airport flights?
The least popular stopover on flights from Singapore to London Heathrow Airport is Zurich. Abu Dhabi is the second least popular location for stopovers on flights from Singapore to London Heathrow Airport.
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 S$ 986). Flying from Singapore to London Heathrow Airport in July is currently the most expensive (average of S$ 1,297). 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.
Travelling to a place near London Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locations
Gatwick
Luton
Hayes
Hounslow
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Fly from Singapore to Heathrow on these airlines
Choose from the following airlines for your flight from Singapore to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2026.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 May 2026.
Discover the top 10 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 200,618 searches. Data last updated 18 May 2026.
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?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
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?
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?
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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