Singapore Airlines flights from London Heathrow Airport to Singapore (LHR - SIN)

LHR — SIN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights users flying from London to Singapore on Singapore Airlines typically fly into Singapore Changi and depart from London Heathrow. Select your dates above for pricing.

Singapore Airlines flights from Heathrow to Singapore in 2025

Find detailed information about Singapore Airlines flights from Heathrow to Singapore. Explore the options provided by Singapore Airlines to plan your journey from Heathrow to Singapore. Data last updated 17 September 2025.

One-way from

£308

Return from

£506

Popular in

July

Cheapest in

May

Average price (all airlines)

£535
Singapore Airlines
  • Singapore Airlines
  • 18/11
  • Nonstop
  • 13h 15m total
  • London to Singapore
Singapore Airlines
  • Singapore Airlines
  • 18/2-18/3
  • Nonstop
  • 27h 20m total
  • London to Singapore
Highest demand for flights from London Heathrow to Singapore Changi; 12% potential price increase.
Best time to find cheap flights from London Heathrow to Singapore Changi; 3% potential price drop.
Average price for all London Heathrow to Singapore Changi flights (one-way and round-trip).
  • Can I get a flight from London Heathrow Airport to Singapore on Singapore Airlines for under £800?

    Cheapflights currently has 9 LHR-SIN flights for under £800. Flights to Singapore will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

  • How do most travelers feel about Singapore Airlines?

    Cheapflights users who travel with Singapore Airlines (a popular airline from London Heathrow Airport to Singapore) have rated them a 7.5/10. This rating comes from 20 reviews. If you are looking to travel LHR-SIN, search your dates above.

Find Singapore Airlines flight deals from Heathrow to Singapore

Cheapest Singapore Airlines flights from Heathrow to Singapore
Explore the most affordable Singapore Airlines flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 17 September 2025.

Tue 28/1010:40LHR - SIN
Nonstop13h 10mSingapore Airlines
Tue 4/1109:00SIN - LHR
Nonstop14h 20mSingapore Airlines
Deal found 16/9£559
Tue 28/1010:40LHR - SIN
Nonstop13h 10mSingapore Airlines
Thu 4/1209:00SIN - LHR
Nonstop14h 20mSingapore Airlines
Deal found 16/9£582
Tue 28/1010:40LHR - SIN
Nonstop13h 10mSingapore Airlines
Sat 22/1109:00SIN - LHR
Nonstop14h 20mSingapore Airlines
Deal found 15/9£592

Travel insights for Singapore Airlines flights from Heathrow to Singapore

Get recent, data-driven insights about Singapore Airlines flights from Heathrow to Singapore including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Singapore. Price data was last updated on 12 September 2025.

Booking with Singapore Airlines 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Singapore with Singapore Airlines?

Currently, the most affordable month to book a Singapore Airlines flight from London Heathrow Airport to Singapore in May, with an average price of £435. Conversely, traveling with Singapore Airlines from London Heathrow Airport to Singapore in July will be the most expensive, with an average cost of £637. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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 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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Singapore on another airline

Consider alternative airlines that service the Singapore area. Flight routes are based on user searches made on Cheapflights and were last updated on 17 September 2025.

See what others are saying about Singapore Airlines

Read reviews and see what other travellers are saying about their experiences with Singapore Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Singapore Airlines for your next flight. Reviews last updated 17 September 2025.
Singapore Airlines
8.1
Very Good
1,365 reviews
Overview

Comfort

8.0

Food

7.7

Crew

8.6

Boarding

8.2

Entertainment

8.0

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.