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

LHR — SIN
5 May — 12 May1
1 adult

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 30 April 2025.

One-way from

£681

Return from

£490

Popular in

July

Cheapest in

May

Average price (all airlines)

£741
Finnair
  • Finnair
  • 23/7
  • 1 total stop
  • 25h 05m total
  • London to Singapore
Finnair
  • Finnair
  • 7/9-13/9
  • 2 total stops
  • 56h 00m total
  • London to Singapore
Highest demand for flights from London Heathrow to Singapore Changi; 11% 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 Finnair for under £1,000?

    1 Finnair flights from LHR to SIN have recently been found on Cheapflights for under £1,000. Click here to find the best deals to Singapore for your desired dates.

  • How do most travelers feel about Finnair?

    11 Cheapflights users have left reviews for Finnair and have rated the airline 6.1/10. If you are looking to travel from London Heathrow Airport to Singapore on Finnair, input your dates in the form above for our best prices!

Find Finnair flight deals from Heathrow to Singapore

Cheapest Finnair flights from Heathrow to Singapore
Explore the most affordable Finnair flight options available from Heathrow to Singapore. Find the lowest fares with prices last updated on 30 April 2025.

Sun 25/509:30LHR - SIN
1 stop25h 55mFinnair
Sun 1/621:35SIN - LHR
1 stop31h 35mFinnair
Deal found 29/4£517

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 25 April 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 £417. Conversely, traveling with Finnair from London Heathrow Airport to Singapore in November will be the most expensive, with an average cost of £713. 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.
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

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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 30 April 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 30 April 2025.
Finnair
7.6
Good
1,273 reviews
Overview

Crew

8.1

Boarding

7.6

Food

6.7

Comfort

7.4

Entertainment

6.9

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