Finnair flights from London Heathrow Airport to Helsinki (LHR - HEL)
LHR — HEL
5 Oct — 12 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find Finnair flight deals from Heathrow to Helsinki
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
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 5 September 2026.
Fri 30/1007:30 -
Nonstop2h 50m
Mon 2/1119:35 -
Nonstop3h 05m
Deal found 4/9£146
Thu 8/1016:10 -
Nonstop2h 50m
Mon 19/1016:00 -
Nonstop3h 05m
Deal found 2/9£147
Wed 7/1007:30 -
Nonstop2h 45m
Tue 20/1019:30 -
Nonstop3h 10m
Deal found 3/9£149
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 5 September 2026.
Fri 2/1007:30 -
Nonstop2h 45m
Sat 3/1016:00 -
Nonstop3h 05m
Deal found 4/9£181
Thu 15/1007:30 -
Nonstop2h 45m
Thu 22/1016:00 -
Nonstop3h 05m
Deal found 31/8£183
Thu 3/1207:30 -
Nonstop2h 50m
Thu 3/1219:35 -
Nonstop3h 05m
Deal found 3/9£183
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 5 September 2026.
Fri 30/1007:30 -
Nonstop2h 50m
Mon 2/1119:35 -
Nonstop3h 05m
Deal found 4/9£146
Thu 8/1016:10 -
Nonstop2h 50m
Mon 19/1016:00 -
Nonstop3h 05m
Deal found 2/9£147
Wed 7/1007:30 -
Nonstop2h 45m
Tue 20/1019:30 -
Nonstop3h 10m
Deal found 3/9£149
Last-minute Finnair flights from Heathrow to Helsinki
Discover last-minute Finnair flight deals from Heathrow to Helsinki. Data last updated 5 September 2026 and is based on user searches.
Fri 30/1007:30 -
Nonstop2h 50m
Mon 2/1119:35 -
Nonstop3h 05m
Deal found 4/9£146
Thu 8/1016:10 -
Nonstop2h 50m
Mon 19/1016:00 -
Nonstop3h 05m
Deal found 2/9£147
Wed 7/1007:30 -
Nonstop2h 45m
Tue 20/1019:30 -
Nonstop3h 10m
Deal found 3/9£149
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 5 September 2026.
Thu 22/1007:30 -
Nonstop2h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£84
Tue 29/918:10 -
Nonstop2h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£84
Mon 30/1107:30 -
Nonstop2h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£85
How do most travelers feel about Finnair?
Finnair has received a 7.6/10 rating from 1,429 Cheapflights user reviews. If you wish to plan your next trip from London Heathrow Airport to Helsinki with Finnair, enter your preferred travel dates above!
Can I get a flight from London Heathrow Airport to Helsinki on Finnair for under £296?
Cheapflights users have found 10 Finnair flights for under £296 on the LHR-HEL route. Prices on flights to Helsinki from London Heathrow Airport can vary based on many factors including dates. To look at price based on your preferred dates, click here.
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 5 September 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 Wednesday (4 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.
Airlines serving Helsinki
Alternative routes
Complete your trip
Other carriers
Other destinations
Popular flights
Fly from Heathrow to Helsinki on another airline
Consider alternative airlines that service the Helsinki area. Flight routes are based on user searches made on Cheapflights and were last updated on 5 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 5 September 2026.
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 5 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 5 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 5 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
Positive
1 out of 477
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.