Cheap flights from London Heathrow Airport to Helsinki from £73

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HEL
6 Sep — 13 Sep1
1 adult

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

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 September 2025.

Round-trip from

£121

One-way from

£73

Popular in

December

Cheapest in

March

Average price

£193

Good round-trip deal

£337 or less

Good one-way deal

£182 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 10/10-19/10
  • 2 total stops
  • 17h 45m total
  • London to Helsinki
Scandinavian Airlines
  • Scandinavian Airlines
  • 20/10
  • 1 total stop
  • 14h 55m total
  • London to Helsinki
Highest demand for flights based on searches. 7% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from London Heathrow to Helsinki-Vantaa.
Price to beat on a one-way flight from London Heathrow to Helsinki-Vantaa.

Find flight deals from Heathrow to Helsinki

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 1 September 2025.

Thu 16/1013:55LHR - HEL
1 stop7h 40mScandinavian Airlines
Thu 23/1007:10HEL - LHR
1 stop7h 45mScandinavian Airlines
Deal found 1/9£125
Wed 3/1206:40LHR - HEL
1 stop6h 45mScandinavian Airlines
Fri 5/1207:00HEL - LHR
1 stop7h 55mScandinavian Airlines
Deal found 1/9£127
Mon 1/1213:55LHR - HEL
1 stop7h 50mScandinavian Airlines
Mon 8/1207:00HEL - LHR
1 stop7h 55mScandinavian Airlines
Deal found 29/8£128
Tue 28/1006:40LHR - HEL
1 stop6h 45mScandinavian Airlines
Sun 2/1117:05HEL - LHR
1 stop6h 15mScandinavian Airlines
Deal found 1/9£129
Mon 17/1113:55LHR - HEL
1 stop7h 50mScandinavian Airlines
Thu 20/1107:00HEL - LHR
1 stop7h 55mScandinavian Airlines
Deal found 30/8£130
Sat 13/906:40LHR - HEL
1 stop9h 20mScandinavian Airlines
Wed 17/917:35HEL - LHR
1 stop5h 45mScandinavian Airlines
Deal found 30/8£130
Thu 25/909:55LHR - HEL
1 stop5h 00mScandinavian Airlines
Mon 29/907:10HEL - LHR
1 stop7h 45mScandinavian Airlines
Deal found 30/8£131
Sat 27/906:40LHR - HEL
1 stop9h 20mScandinavian Airlines
Sat 4/1007:20HEL - LHR
1 stop7h 35mScandinavian Airlines
Deal found 30/8£132
Tue 9/909:55LHR - HEL
1 stop8h 30mScandinavian Airlines
Sat 13/907:20HEL - LHR
1 stop7h 35mScandinavian Airlines
Deal found 31/8£133
Tue 14/1009:55LHR - HEL
1 stop8h 30mScandinavian Airlines
Tue 21/1010:20HEL - LHR
1 stop4h 35mScandinavian Airlines
Deal found 30/8£135
Sun 26/1018:05LHR - HEL
1 stop4h 05mScandinavian Airlines
Sun 2/1117:05HEL - LHR
1 stop4h 50mScandinavian Airlines
Deal found 31/8£136
Tue 7/1006:40LHR - HEL
1 stop14h 55mScandinavian Airlines
Sat 25/1006:35HEL - LHR
1 stop9h 00mScandinavian Airlines
Deal found 30/8£137

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Helsinki that are best for you.

Fly from

Heathrow

Fly to

Helsinki

Route

Depart

Return

Price

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 20/1

06:40-15:25

1 stop6h 45m

Helsinki-Vantaa

Fri 23/1

11:20-21:40

1 stop12h 20m

£125

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 16/10

13:55-23:35

1 stop7h 40m

Helsinki-Vantaa

Thu 23/10

07:10-12:55

1 stop7h 45m

£125

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 3/12

06:40-15:25

1 stop6h 45m

Helsinki-Vantaa

Fri 5/12

07:00-12:55

1 stop7h 55m

£127

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 23/9

09:55-20:25

1 stop8h 30m

Helsinki-Vantaa

Wed 1/10

13:20-19:55

1 stop8h 35m

£127

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 1/10

06:40-16:55

1 stop8h 15m

Helsinki-Vantaa

Thu 2/10

11:05-17:00

1 stop7h 55m

£127

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Mon 1/12

13:55-23:45

1 stop7h 50m

Helsinki-Vantaa

Mon 8/12

07:00-12:55

1 stop7h 55m

£128

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 31/10

06:40-15:25

1 stop6h 45m

Helsinki-Vantaa

Wed 5/11

07:00-12:55

1 stop7h 55m

£129

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 12/11

13:55-23:45

1 stop7h 50m

Helsinki-Vantaa

Wed 19/11

16:10-19:55

1 stop5h 45m

£129

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 18/9

06:40-16:55

1 stop8h 15m

Helsinki-Vantaa

Sat 20/9

07:20-12:55

1 stop7h 35m

£130

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Mon 17/11

13:55-23:45

1 stop7h 50m

Helsinki-Vantaa

Thu 20/11

07:00-12:55

1 stop7h 55m

£130

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 21 results
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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.
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.

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 29 August 2025.

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 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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.

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 1 September 2025.

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 73% versus a flight in the afternoon.

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 24 August 2025.

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.

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

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated 1 September 2025.
See what other customers who have flown with KLM, Finnair, andScandinavian Airlines 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.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    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 39 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.

  • How long is the flight from London Heathrow Airport to Helsinki?

    A quick flight from London Heathrow Airport to Helsinki can take about 6h 45m. Scandinavian Airlines provides one of the quickest options available for as low as £125. The distance between London Heathrow Airport and Helsinki is about 1147 mi.

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

    Ryanair, at £47, was found to be the cheapest airline from London Heathrow Airport to Helsinki.Alternate airlines flying return to your destination include Norwegian and Scandinavian Airlines. These flights start at 77% lower than the current average price 3 months from now.

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

    Before booking your flight to Helsinki from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (76%), Malaysia Airlines (76%), SriLankan Airlines( 73%).

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

    Looking for the cheapest flight from London Heathrow Airport to Helsinki? While on average our users pay £1,048, our data indicates the cheapest price to be £131. The most popular route (London Heathrow - Helsinki-Vantaa), is priced around £125.

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

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

  • How can I find direct flights from Heathrow to Helsinki?

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

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

    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.

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

    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.

See more FAQs

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Espoo
Vantaa

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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 1 September 2025.

Top 7 airlines flying from Heathrow to Helsinki

Discover the top 7 airlines that operate flights from Heathrow to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£47Average£156FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
NorwegianCheapest£77Average£136FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
Scandinavian AirlinesCheapest£122Average£153FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£135Average£174FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£140Average£242FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£150Average£426FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£161Average£240FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

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

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.

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

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.

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

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.

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