Question 1

What are the cheapest airlines flying from London Heathrow Airport to Helsinki round-trip?

Accepted Answer

Scandinavian Airlines, at £119, was found to be the cheapest airline from London Heathrow Airport to Helsinki. An alternate airline flying to your destination would be Air France. These flights start at 42% lower than the current average price 3 months from now.

Question 2

What are the cheapest airlines to fly from London Heathrow Airport to Helsinki one-way?

Accepted Answer

The cheapet airlines for a one-way flight from London Heathrow Airport to Helsinki are Scandinavian Airlines (£74), KLM (£96), and Finnair (£97).

Question 3

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

Accepted Answer

The price you pay for your flight from London Heathrow Airport to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

What is the cheapest month to book a flight from London Heathrow Airport to Helsinki?

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Helsinki (average of £92). Flying from London Heathrow Airport to Helsinki in July is currently the most expensive (average of £305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

What is the cheapest day to fly from London Heathrow Airport to Helsinki?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Helsinki flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from London Heathrow Airport to Helsinki

Accepted Answer

The most flights from LHR to HEL are scheduled on a Thursday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Question 7

E

Accepted Answer

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.

Question 8

E

Accepted Answer

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).

Question 9

What are the cheapest flights from London Heathrow Airport to Helsinki?

Accepted Answer

Looking for the cheapest flight from London Heathrow Airport to Helsinki? While on average our users pay £1,170, our data indicates the cheapest price to be £100. The most popular route (London Heathrow - Helsinki-Vantaa), is priced around £119.

Question 10

What are the most reliable airlines from London Heathrow Airport to Helsinki?

Accepted Answer

Before booking your flight to Helsinki from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Japan Airlines (82%), Malaysia Airlines (80%), American Airlines( 78%).

Question 11

What are the most popular airlines that fly from London Heathrow Airport to Helsinki?

Accepted Answer

Consider Finnair, British Airways or Norwegian when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Helsinki.

Question 12

What is the cheapest day to fly round-trip from London Heathrow Airport to Helsinki?

Accepted Answer

Flights from London Heathrow Airport to Helsinki are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Helsinki.

Question 13

How far in advance should I book a flight from London Heathrow Airport to Helsinki?

Accepted Answer

Travelers have found it’s best to book a flight 50 days in advance to save up to 108% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 50 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to Helsinki 1-2 weeks in advance for as low as £178, or £237 for flights within the next 24 hours.

Question 14

What is the cheapest month to fly from London Heathrow Airport to Helsinki?

Accepted Answer

The best pricing can be found in the month of November. Prices to Helsinki from London Heathrow Airport average £144. You can even find prices in November for less than £144, as users have found deals to Helsinki from as low as £44. The month of July appears to be one of the more expensive times to travel to Helsinki from London Heathrow Airport. Flying in the targeted month can save you up to 48%.

Question 15

What is the cheapest time of day to fly from LHR to HEL?

Accepted Answer

When flying from London Heathrow Airport to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 72% versus a flight at midday.

Question 16

What airport do you fly into for flights to Helsinki from London Heathrow?

Accepted Answer

Helsinki-Vantaa (HEL) is the airport you will fly into if you book a flight from London Heathrow to Helsinki. You should not have trouble finding flights to Helsinki-Vantaa from London Heathrow; the airport handles an average of 34 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Helsinki airport from London Heathrow. It is only a 10.6 mi journey from Helsinki-Vantaa (HEL) to Helsinki’s city center.

Question 17

Can I find deals for flights from Heathrow to Helsinki that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Helsinki flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 18

How can I find direct flights from Heathrow to Helsinki?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Helsinki.

Question 19

Can I find deals for business class flights from Heathrow to Helsinki?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 20

How does Cheapflights help users find flights from Heathrow to Helsinki?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Helsinki. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 21

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Helsinki?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Helsinki for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 22

Can Cheapflights find flights from Heathrow to Helsinki with no change fees?

Accepted Answer

Need flexible booking options for your flight to Helsinki from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 23

Can Cheapflights notify me if prices for flights from Heathrow to Helsinki become cheaper?

Accepted Answer

Yes! Start tracking prices for Heathrow to Helsinki flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£119
One-way from	£74
Popular in	December
Cheapest in	March
Average price	£236
Good round-trip deal	£277 or less
Good one-way deal	£138 or less

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£47	Average£142	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Norwegian	Cheapest£77	Average£162	FlexibilityNo cancel fee	On-time74%	Search Norwegian flights
Scandinavian Airlines	Cheapest£122	Average£154	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
KLM	Cheapest£134	Average£170	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Lufthansa	Cheapest£135	Average£239	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Finnair	Cheapest£142	Average£243	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
British Airways	Cheapest£198	Average£418	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from London Heathrow Airport to Helsinki from £74

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Helsinki-Vantaa are usually found in March or January, booked 77 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Helsinki

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Find flight deals from Heathrow to Helsinki

Cheapest flights from Heathrow to HelsinkiExplore the most affordable flight options available from Heathrow to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Heathrow to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Helsinki that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Helsinki

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Helsinki. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from London Heathrow Airport to Helsinki?

What is the cheapest time of day to fly from LHR to HEL?

Find hourly flight availability from Heathrow to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

What is the cheapest day to fly from London Heathrow Airport to Helsinki?

Use this chart to determine the cheapest time to fly return from Heathrow to Helsinki. Price data was last updated on 29 June 2025.

Weekly flight availability from London Heathrow Airport to Helsinki

Explore weekly flight availability from Heathrow to Helsinki. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

How much does it cost for a return flight from London Heathrow Airport to Helsinki?

Reviews of airlines servicing Helsinki

See what other customers who have flown with KLM, Finnair, andAir France from London Heathrow Airport to Helsinki have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Helsinki from London Heathrow?

What are the cheapest airlines flying from London Heathrow Airport to Helsinki round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Helsinki one-way?

What are the most reliable airlines from London Heathrow Airport to Helsinki?

What are the cheapest flights from London Heathrow Airport to Helsinki?

Can I find deals for flights from Heathrow to Helsinki that include hotel bookings?

How can I find direct flights from Heathrow to Helsinki?

Can I find deals for business class flights from Heathrow to Helsinki?

What is the cheapest month to book a flight from London Heathrow Airport to Helsinki?

Travelling to a place near London Heathrow Airport?

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Fly from Heathrow to Helsinki on these airlines

Choose from the following airlines for your flight from Heathrow to Helsinki. Flights are based on user searches made on Cheapflights and were last updated on 4 July 2025.

Top 7 airlines flying from Heathrow to Helsinki

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How does Cheapflights help users find flights from Heathrow to Helsinki?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Helsinki?

Can Cheapflights find flights from Heathrow to Helsinki with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Helsinki become cheaper?

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Cheapest flights from Heathrow to Helsinki
Explore the most affordable flight options available from Heathrow to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.