Cheap Flights from Singapore to London Heathrow

Compare Singapore to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

Flight deals from Singapore to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Singapore to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Singapore to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore to London Heathrow flights are currently cheapest in December.

Direct flights from Singapore to London Heathrow

Singapore to London Heathrow: Alternative routes

Compare routes from Singapore to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Singapore to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,567
Cheapest month to flyDecember
Average flight time14 hrs, 12 mins
Most popular airlineSingapore Airlines
Average flights per week228

Finding cheap flights from Singapore to London Heathrow: Frequently asked questions

The best price we found for a return flight from Singapore to London Heathrow is R 9,956. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
14 hours and 12 minutes is the average flight time from Singapore to London Heathrow.
Singapore Airlines, TAP Air Portugal and Air New Zealand fly direct from Singapore to London Heathrow.
As of December 2025, there are 228 flights per week flying from Singapore to London Heathrow.
The cheapest month to fly from Singapore to London Heathrow is usually December.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to London Heathrow Airport on Saturday, 27 December 2025.
Yes – the average flight time is 14 hours and 12 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Singapore to London Heathrow Airport (LHR): What you need to know

  • There are a couple of main airports where your trip can begin in Singapore. Explore your options leaving from Changi International Airport (SIN) or Seletar Airport (XSP) when planning your flight from Singapore to London Heathrow Airport (LHR).

  • Expect to be in the air for 14 hours 5 minutes. That's the average time for a direct Singapore to London Heathrow Airport flight.

  • London is eight hours behind Singapore. London Heathrow Airport is located in London, which runs on the UTC+0 timezone.

  • Changi International Airport (SIN) to London Heathrow Airport (LHR) is the most popular route. There are 49 direct weekly flights to choose from. If you prefer starting your day later, hop on the last flight with Qantas at 11:55pm. Choose the first SIN to LHR departure with Singapore Airlines at 1:10am if getting there sooner works for you.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport on time to board your flight from Singapore to LHR.

  • With more travellers during high season, aim to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you deal with any delays.

Airports in Singapore

Changi International Airport (SIN)

  • Changi International Airport (SIN) provides a hassle-free way to reach your destination. Nonstop flights from Singapore to London Heathrow Airport (LHR) can be booked from this terminal.

  • At SIN, there's a good selection of carriers offering direct flights from Singapore to London Heathrow Airport, such as:

  • Most travellers prefer to book seats with Singapore Airlines from SIN to LHR.

  • British Airways is the top-ranked carrier for punctuality on this route.

  • A stopover is the ideal opportunity to break up your journey and perhaps even visit a new city. When searching for cheap flights from Singapore to LHR departing from Changi International Airport (SIN), uncheck the 'Direct flights only' box to discover where you can stop along the way. Your journey might pause in:

    • Frankfurt Airport (FRA)

    • Kuala Lumpur International Airport (KUL)

    • Franz Josef Strauss Airport (MUC)

  • Located around 21 kilometres from the centre of Singapore, SIN can be reached in about 20 minutes by car (depending on traffic). The journey on public transport is roughly 1 hour.

  • Have an early flight from Singapore to London Heathrow Airport? Avoid rushing to the terminal (and enjoy a few extra z's) by picking one of these hotels close to Changi International Airport:

  • When it comes to Changi International Airport's on-time performance, data shows 68.95% of flights meet their scheduled arrival time.

Seletar Airport (XSP)

About London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • The centre of London is around 26 kilometres from London Heathrow Airport. Journey times by cab or car hire will vary based on traffic conditions and time of day, so do a little research ahead of your trip.

  • Travelling by public transport takes roughly 1 hour.

How to find the cheapest flights from Singapore to London Heathrow Airport (LHR)

  • At the moment, R 4,567 is the lowest price we've found for a one-way ticket from Singapore to London Heathrow Airport. The cheapest price for a return flight is R 9,956. Keep in mind fares can change due to demand at the time of booking.

  • Get cheap flights from Singapore to LHR by booking six months ahead. According to our research, that's the ideal time frame for finding the biggest deals.

  • The best month for landing cheap Singapore to London Heathrow Airport tickets is November. Use the 'Whole month' tool to compare prices, then select the dates that offer the biggest savings.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll let you know as soon as a new deal shows up on plane tickets from Singapore to LHR.

  • Tailor your flights using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Singapore to London Heathrow Airport.

The best time to fly from Singapore to London Heathrow Airport (LHR)

  • Think about the pace you're looking for when deciding when to fly. February is the quietest month to go to London. July is when most people book flights from Singapore to London Heathrow Airport (LHR), which may be perfect if you're after more excitement.

  • Before locking in your Singapore to LHR plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • Look for cheap tickets from Singapore to London Heathrow Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF).

More about London

  • After booking your flight from Singapore to London Heathrow Airport, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring London:

  • Every great adventure has to include some sightseeing. The British Museum, Westminster Abbey and Big Ben are attractions you won't want to skip in London.

Explore more of the United Kingdom

  • You've seen London, now it's time to discover other parts of the United Kingdom. Journey around 153 kilometres north-west to Birmingham to check off its must-visit sights. From The Windsor Castle to Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre, you'll have a full itinerary ahead.

  • If you're eager to discover another well-known destination in the United Kingdom, consider Bristol, roughly 145 kilometres west of London. Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.