Finnair flights from London Heathrow Airport to Singapore (LHR - SIN)
Cheapflights users flying from London to Singapore on Finnair typically fly into Singapore Changi and depart from London Heathrow. Select your dates above for pricing.
Finnair flights from Heathrow to Singapore in 2025
Find detailed information about Finnair flights from Heathrow to Singapore. Explore the options provided by Finnair to plan your journey from Heathrow to Singapore. Data last updated 2 July 2025.
Find Finnair flight deals from Heathrow to Singapore
Cheapest Finnair flights from Heathrow to SingaporeExplore the most affordable Finnair flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 2 July 2025.
Explore the most affordable Finnair flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 2 July 2025.
Travel insights for Finnair flights from Heathrow to Singapore
Get recent, data-driven insights about Finnair 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 Finnair?
Use this chart to determine the optimal time to book a return flight from Heathrow to Singapore. Price data was last updated on 27 June 2025.
Booking with Finnair 40 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 Finnair?
Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to Singapore in May, with an average price of £367. Conversely, traveling with Finnair from London Heathrow Airport to Singapore in December will be the most expensive, with an average cost of £677. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Rainfall in Singapore by month
Plan your trip to Singapore by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.
Temperature in Singapore by month
Plan your trip to Singapore by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).
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.
Browse thousands of different options on Cheapflights for your next trip
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Other Finnair flights from Heathrow
Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 2 July 2025.
See what others are saying about Finnair
Read reviews and see what other travellers are saying about their experiences with Finnair. 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 Finnair for your next flight. Reviews last updated 2 July 2025.
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