Cheap flights from London Heathrow Airport to Singapore
LHR — SIN
14 Jan — 21 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Singapore Changi are usually found in May or September, booked 50 days in advance, depart on a Tuesday or Monday and return on a Monday
Find flight deals from Heathrow to Singapore
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Singapore (SIN). 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 15 December 2025.
Popular in
July
Cheapest in
May
Average price
C$ 1,515
Highest demand for flights based on searches. 11% potential increase in price (C$ 218 potential increase over avg. RT price).
Best time to book a flight from Heathrow to Singapore
Have a flexible travel schedule? Discover the best time to fly to Singapore from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Singapore
Prices
Airlines
Delays
More
How far ahead should I book a flight from London Heathrow Airport to Singapore?
Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Singapore. Price data was last updated on 12 December 2025.
The price you pay for your flight from London Heathrow Airport to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 50 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 London Heathrow Airport to Singapore?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of C$ 738). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of C$ 1,023). 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 LHR to SIN?
Find hourly flight availability from Heathrow to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 December 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Singapore as you normally would.
Weekly flight availability from London Heathrow Airport to Singapore
Explore weekly flight availability from Heathrow to Singapore. 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 15 December 2025.
The most flights from LHR to SIN are scheduled on a Monday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 on average).
How often are flights from London to Singapore delayed?
About 27% of weekly flights between London and Singapore have experienced delays in the past year, with the average delay time being 111 minutes.
What is the most punctual flight time for London to Singapore flights?
Historically, flights departing in the evening 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 London to Singapore flights?
Over the past year, Qantas Airways has had the lowest number of delays on this route, with just 14% of flights being delayed.
What’s the top layover airport for flights from London Heathrow Airport to Singapore?
Share of one-stop round-trip flights from London Heathrow Airport to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.
New Delhi (DEL) – chosen by Cheapflights users on 50% of one-stop itineraries from London Heathrow Airport to Singapore on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Singapore?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.
New Delhi (DEL) is the most affordable 1-stop option, with an average round-trip price of C$ 1,689.
What’s the fastest layover option from London Heathrow Airport to Singapore?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Helsinki (HEL) have the shortest average one-way travel time for 1-stop routes: 20h 55m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Singapore?
Average layover duration for 1-stop one-way flights from London Heathrow Airport to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via New Delhi (DEL) offer the fastest connection on this route, with an average layover time of 5h 58m.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Singapore. 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 into for flights to Singapore from London Heathrow?
Singapore Changi (SIN), located 16.9 km from the city centre, is the airport you fly into when you book flights from London Heathrow to Singapore. 0 airlines have flights to Changi from London Heathrow on a regular basis. Booking flights from London Heathrow to Singapore Changi should not be difficult; the airport handles an average of 34 inbound flights from London Heathrow per day.
What are the most reliable airlines from London Heathrow Airport to Singapore?
The top 3 most reliable airlines when flying from London Heathrow Airport to Singapore are Air Canada (90%), Croatia Airlines (87%) and Scandinavian Airlines (85%).
Can I find deals for flights from Heathrow to Singapore that include hotel bookings?
Yes. In addition to deals on Heathrow to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Singapore.
Can I find deals for business class flights from Heathrow to Singapore?
Yes. Cheapflights offers flight deals from Heathrow to Singapore 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 London Heathrow Airport to Singapore?
Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Singapore (average of C$ 738). Flying from London Heathrow Airport to Singapore in July is currently the most expensive (average of C$ 1,023). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 15 December 2025.
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Singapore?
Cheapflights makes it easy to find Heathrow to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Singapore?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Singapore.
Can Cheapflights find flights from Heathrow to Singapore with no change fees?
Yes, we can. To see specific flights from Heathrow to Singapore with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow to Singapore become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Singapore from Heathrow 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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.