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

LHR — SIN
21 Nov — 28 Nov1
1 adult
1 adult, Economy

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 22 October 2025.

One-way from

£424

Return from

£461

Popular in

July

Cheapest in

May

Average price (all airlines)

£609
Finnair
  • Finnair
  • 10/12
  • 1 total stop
  • 27h 10m total
  • London to Singapore
Finnair
  • Finnair
  • 20/11-27/11
  • 2 total stops
  • 49h 00m 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).

Find Finnair flight deals from Heathrow to Singapore

Enter your travel dates to find the best prices.

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 22 October 2025.

Thu 20/1116:15LHR - SIN
1 stop18h 25mFinnair
Thu 27/1122:05SIN - LHR
1 stop30h 35mFinnair
Deal found 20/10£461
Tue 4/1116:15LHR - SIN
1 stop18h 25mFinnair
Thu 27/1122:05SIN - LHR
1 stop19h 05mFinnair
Deal found 21/10£489
Thu 20/1107:30LHR - SIN
1 stop27h 10mFinnair
Sat 17/122:05SIN - LHR
1 stop30h 35mFinnair
Deal found 21/10£512

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 17 October 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 £377. Conversely, traveling with Finnair from London Heathrow Airport to Singapore in July will be the most expensive, with an average cost of £709. 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.

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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 22 October 2025.
Finnair
7.6
Good
1,333 reviews
Overview

Entertainment

6.9

Boarding

7.6

Comfort

7.4

Food

6.7

Crew

8.1

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