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

SIN — LHR
4 May — 11 May1
1 adult

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

Finnair flights from Singapore to Heathrow in 2025

Find detailed information about Finnair flights from Singapore to Heathrow. Explore the options provided by Finnair to plan your journey from Singapore to Heathrow. Data last updated 29 April 2025.

One-way from

S$ 839

Return from

S$ 865

Popular in

December

Cheapest in

February

Average price (all airlines)

S$ 1,163
Finnair
  • Finnair
  • 31-8
  • 1 total stop
  • 31h 35m total
  • Singapore to London
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Finnair
  • Finnair
  • 5-6-10-6
  • 2 total stops
  • 51h 35m total
  • Singapore to London
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Highest demand for flights from Singapore Changi to London Heathrow; 1% potential price increase.
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Best time to find cheap flights from Singapore Changi to London Heathrow; 1% potential price drop.
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Average price for all Singapore Changi to London Heathrow flights (one-way and round-trip).
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  • Can I get a flight from Singapore to London Heathrow Airport on Finnair for under S$ 900?

    1 Finnair flights from SIN to LHR have recently been found on Cheapflights for under S$ 900. Click here to find the best deals to London Heathrow Airport 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 Singapore to London Heathrow Airport on Finnair, input your dates in the form above for our best prices!

Find Finnair flight deals from Singapore to Heathrow

Cheapest Finnair flights from Singapore to Heathrow
Explore the most affordable Finnair flight options available from Singapore to Heathrow. Find the lowest fares with prices last updated on 29 April 2025.

Sat 24-519:15SIN - LHR
2 stops33h 55mFinnair
Thu 12-607:30LHR - SIN
2 stops26h 10mFinnair
Deal found 28-4S$ 1,345

Travel insights for Finnair flights from Singapore to Heathrow

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Best time to book a flight from Singapore to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Singapore 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 Singapore to Heathrow on another airline

Consider alternative airlines that service the Heathrow area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 April 2025.
British Airways flights from Singapore Changi to London Heathrow

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 29 April 2025.
Finnair
7.6
Good
1,273 reviews
Check prices
Overview

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Comfort

7.4

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