Finnair flights from London Heathrow Airport to Helsinki (LHR - HEL)
LHR — HEL
3 Nov — 10 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest Finnair flights from Heathrow to Helsinki
Explore the most affordable Finnair flight options available from Heathrow to Helsinki. Find the lowest fares with prices last updated on 4 October 2026.
Fri 13-1118:10 -
Nonstop2h 55m
Sun 15-1107:50 -
Nonstop3h 20m
Deal found 30-9HK$1,985
Fri 6-1118:10 -
Nonstop2h 55m
Mon 9-1119:35 -
Nonstop3h 05m
Deal found 1-10HK$2,001
Sat 28-1118:10 -
Nonstop2h 55m
Tue 1-1219:35 -
Nonstop3h 05m
Deal found 2-10HK$2,009
Best Finnair flights from Heathrow to Helsinki
Discover carefully curated Finnair flight deals from Heathrow to Helsinki that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 October 2026.
Thu 3-1218:10 -
Nonstop2h 55m
Fri 4-1216:00 -
Nonstop3h 00m
Deal found 1-10HK$1,616
Tue 9-210:20 -
Nonstop2h 55m
Fri 12-214:00 -
Nonstop3h 15m
Deal found 2-10HK$1,624
Fri 1-116:15 -
Nonstop2h 55m
Fri 15-119:35 -
Nonstop3h 05m
Deal found 2-10HK$1,624
Direct Finnair flights from Heathrow to Helsinki
Explore direct Finnair flight options from Heathrow to Helsinki based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 October 2026.
Thu 3-1216:15 -
Nonstop2h 55m
Fri 4-1216:00 -
Nonstop3h 00m
Deal found 30-9HK$1,609
Wed 2-1216:15 -
Nonstop2h 55m
Thu 3-1219:35 -
Nonstop3h 05m
Deal found 1-10HK$1,616
Thu 21-118:10 -
Nonstop2h 55m
Sun 24-111:20 -
Nonstop3h 15m
Deal found 29-9HK$1,624
Last-minute Finnair flights from Heathrow to Helsinki
Discover last-minute Finnair flight deals from Heathrow to Helsinki. Data last updated 4 October 2026 and is based on user searches.
Fri 13-1118:10 -
Nonstop2h 55m
Sun 15-1107:50 -
Nonstop3h 20m
Deal found 30-9HK$1,985
Fri 6-1118:10 -
Nonstop2h 55m
Mon 9-1119:35 -
Nonstop3h 05m
Deal found 1-10HK$2,001
Sat 28-1118:10 -
Nonstop2h 55m
Tue 1-1219:35 -
Nonstop3h 05m
Deal found 2-10HK$2,009
One-way Finnair flights to Helsinki
Search for one-way Finnair flight options to Helsinki. Find affordable one-way fares based on user searches. Data last updated 4 October 2026.
Tue 29-1207:30 -
Nonstop2h 50m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 1-10HK$918
Wed 13-116:15 -
Nonstop2h 55m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 30-9HK$934
Fri 1-110:20 -
Nonstop2h 55m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 1-10HK$942
Can I get a flight from London Heathrow Airport to Helsinki on Finnair for under HK$2,354?
10 Finnair flights from LHR to HEL have recently been found on Cheapflights for under HK$2,354. Click here to find the best deals to Helsinki for your desired dates.
Find detailed information about Finnair flights from Heathrow to Helsinki. Explore the options provided by Finnair to plan your journey from Heathrow to Helsinki. Data last updated 4 October 2026.
When is the best time to book a flight to Helsinki with Finnair?
The best time to book a flight to Helsinki with Finnair is 31 days before departure. On average, fares are higher if you book 81 days before departure.
Which month is the cheapest to fly Economy class from London Heathrow Airport to Helsinki?
For Economy class flights, the cheapest month to fly this route is October. The most expensive months are August and December.
Weekly Finnair flight availability from London Heathrow Airport to Helsinki
The most Finnair flights from LHR to HEL are scheduled on a Friday (6 on average). You will have fewer Finnair flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in Helsinki by month
Plan your trip to Helsinki by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Helsinki ranges from 30.0 - 70.0 inches per month. August is typically the wettest month, when rainfall can reach 70.0 mm. February is typically the driest time to visit Helsinki when rainfall is around 30.0 mm.
Temperature in Helsinki by month
Plan your trip to Helsinki by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Helsinki, 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 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).
Best time to book a flight from Heathrow to Helsinki
Have a flexible travel schedule? Discover the best time to fly to Helsinki from Heathrow with our price prediction graph.
LHR-HEL
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Other destinations
Complete your trip
Complete your trip to Helsinki by adding a car hire and/or hotel booking to your travel itinerary.
If Helsinki is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on 4 October 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 4 October 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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