Finnair flights from London Heathrow Airport to Singapore (LHR - SIN)
LHR — SIN
9 Oct — 16 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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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 9 September 2026.
Wed 23/918:10 -
1 stop17h 20m
Wed 30/921:35 -
1 stop24h 35m
Deal found 8/9£502
Wed 16/916:10 -
1 stop19h 20m
Wed 23/921:35 -
1 stop30h 05m
Deal found 8/9£505
Tue 15/910:20 -
1 stop25h 10m
Tue 22/921:35 -
1 stop30h 05m
Deal found 5/9£507
Best Finnair flights from Heathrow to Singapore
Discover carefully curated Finnair flight deals from Heathrow to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 September 2026.
Wed 13/116:15 -
2 stops24h 05m
Tue 8/621:35 -
1 stop18h 35m
Deal found 4/9£674
Mon 26/1007:30 -
1 stop27h 10m
Tue 3/1112:55 -
2 stops28h 15m
Deal found 6/9£680
Mon 19/1018:10 -
1 stop17h 20m
Thu 29/1014:05 -
2 stops27h 05m
Deal found 4/9£705
Last-minute Finnair flights from Heathrow to Singapore
Discover last-minute Finnair flight deals from Heathrow to Singapore. Data last updated 9 September 2026 and is based on user searches.
Wed 23/918:10 -
1 stop17h 20m
Wed 30/921:35 -
1 stop24h 35m
Deal found 8/9£502
Wed 16/916:10 -
1 stop19h 20m
Wed 23/921:35 -
1 stop30h 05m
Deal found 8/9£505
Tue 15/910:20 -
1 stop25h 10m
Tue 22/921:35 -
1 stop30h 05m
Deal found 5/9£507
One-way Finnair flights to Singapore
Search for one-way Finnair flight options to Singapore. Find affordable one-way fares based on user searches. Data last updated 9 September 2026.
Sun 21/213:35 -
2 stops26h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£541
Wed 30/907:30 -
2 stops39h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 6/9£544
Wed 18/1116:15 -
2 stops29h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£545
How do most travelers feel about Finnair?
1,432 Cheapflights users have left reviews for Finnair and have rated the airline 7.6/10. 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!
Can I get a flight from London Heathrow Airport to Singapore on Finnair for under £665?
5 Finnair flights from LHR to SIN have recently been found on Cheapflights for under £665. Click here to find the best deals to Singapore for your desired dates.
Finnair flights from Heathrow to Singapore in 2026
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 9 September 2026.
Which month is the cheapest to fly Economy class from London Heathrow Airport to Singapore?
For Economy class flights, the cheapest month to fly this route is June. The most expensive months are November and October.
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.
LHR-SIN
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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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 9 September 2026.
Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 9 September 2026.
If Singapore is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 9 September 2026.
Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 9 September 2026.
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 9 September 2026.
The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience
8.0
Very Good|Jul 2026
Very limited food provided. Limited drinks, lights out for 10 of 12.30 flights. Very few staff.
2.0
Poor|Jun 2026
Lost our luggage and took two days to get it back. Ruined the trip.
10.0
Wonderful|Jun 2026
Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
10.0
Wonderful|May 2026
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