How do most travelers feel about Finnair?

Finnair has received a 7.7/10 rating from 1,402 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 £298?

Cheapflights users have found 9 Finnair flights for under £298 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.

How far ahead should I book a flight from London Heathrow Airport to Helsinki with Finnair?

Booking with Finnair 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Helsinki. 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 Helsinki with Finnair?

Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to Helsinki in September, with an average price of £227. Conversely, traveling with Finnair from London Heathrow Airport to Helsinki in April will be the most expensive, with an average cost of £328. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Finnair flight availability from London Heathrow Airport to Helsinki

The most Finnair flights from LHR to HEL are scheduled on a Tuesday (4 on average). You will have fewer Finnair flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

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.

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).

£97+ Finnair Flights from Heathrow to Helsinki

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

Find Finnair flight deals from Heathrow to Helsinki

Enter your travel dates to find the best prices.

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Best

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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 6 June 2026.

Thu 11/610:20

LHR

HEL

Nonstop2h 55m

Finnair

Sun 14/608:00

HEL

LHR

Nonstop3h 10m

Finnair

Deal found 4/6£240

Tue 14/716:10

LHR

HEL

Nonstop2h 50m

Finnair

Wed 29/716:00

HEL

LHR

Nonstop3h 05m

Finnair

Deal found 3/6£249

Wed 17/618:10

LHR

HEL

Nonstop2h 50m

Finnair

Mon 22/619:30

HEL

LHR

Nonstop3h 10m

Finnair

Deal found 6/6£252

How do most travelers feel about Finnair?
Finnair has received a 7.7/10 rating from 1,402 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 £298?
Cheapflights users have found 9 Finnair flights for under £298 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.

Finnair flights from Heathrow to Helsinki in 2026

One-way from	£97
Return from	£175
Popular in	December
Cheapest in	March
Average price (all airlines)	£277

Finnair
26/11
Nonstop
2h 50m total
London to Helsinki

Search Deals

Finnair
29/10-29/11
Nonstop
6h 10m total
London to Helsinki

Search Deals

Highest demand for flights from London Heathrow to Helsinki-Vantaa; 0% potential price increase.

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Best time to find cheap flights from London Heathrow to Helsinki-Vantaa; 2% potential price drop.

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Average price for all London Heathrow to Helsinki-Vantaa flights (one-way and round-trip).

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Prices

Airlines

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 68 days before departure. On average, fares are higher if you book 59 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 September. The most expensive months are April and December.

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.

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Scandinavian Airlines flights from London Heathrow to Helsinki-Vantaa

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1,402 reviews

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Finnair flights from London Heathrow Airport to Helsinki (LHR - HEL)

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

Find Finnair flight deals from Heathrow to Helsinki

Cheapest Finnair flights from Heathrow to HelsinkiExplore the most affordable Finnair flight options available from Heathrow to Helsinki. Find the lowest fares with prices last updated on 6 June 2026.

Explore the most affordable Finnair flight options available from Heathrow to Helsinki. Find the lowest fares with prices last updated on 6 June 2026.

Best Finnair flights from Heathrow to HelsinkiDiscover 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 6 June 2026.

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 6 June 2026.

Direct Finnair flights from Heathrow to HelsinkiExplore 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 6 June 2026.

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 6 June 2026.

Last-minute Finnair flights from Heathrow to HelsinkiDiscover last-minute Finnair flight deals from Heathrow to Helsinki. Data last updated 6 June 2026 and is based on user searches.

Discover last-minute Finnair flight deals from Heathrow to Helsinki. Data last updated 6 June 2026 and is based on user searches.

One-way Finnair flights to HelsinkiSearch for one-way Finnair flight options to Helsinki. Find affordable one-way fares based on user searches. Data last updated 6 June 2026.

Search for one-way Finnair flight options to Helsinki. Find affordable one-way fares based on user searches. Data last updated 6 June 2026.

How do most travelers feel about Finnair?

Can I get a flight from London Heathrow Airport to Helsinki on Finnair for under £298?

Finnair flights from Heathrow to Helsinki in 2026

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 6 June 2026.

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to Helsinki with Finnair?

Which month is the cheapest to fly Economy class from London Heathrow Airport to Helsinki?

Weekly Finnair flight availability from London Heathrow Airport to Helsinki

Rainfall in Helsinki by month

Temperature in Helsinki by month

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.

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.

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 6 June 2026.

Other Finnair flights from Heathrow

Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 6 June 2026.

Complete your trip

Complete your trip to Helsinki by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Helsinki

Choose from other airlines serving Heathrow and Helsinki.

Other popular destinations in Europe

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 6 June 2026.

Popular flights with Finnair

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 6 June 2026.

See what others are saying about Finnair

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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 6 June 2026.

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 6 June 2026.

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 6 June 2026.

Last-minute Finnair flights from Heathrow to Helsinki
Discover last-minute Finnair flight deals from Heathrow to Helsinki. Data last updated 6 June 2026 and is based on user searches.

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 6 June 2026.