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Cheap flights from London to Helsinki from $128

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HEL
30 Jan — 6 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Helsinki-Vantaa are usually found in February or January, booked 79 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap flight deals from London to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from London to Helsinki
Explore the most affordable flight options available from London to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 December 2025.

Mon 29/1216:15LHR - HEL
Nonstop2h 55mFinnair
Thu 1/107:50HEL - LHR
Nonstop3h 20mFinnair
Deal found 29/12$709
Mon 29/1213:50LHR - HEL
2 stops9h 30mLufthansa
Thu 8/113:55HEL - LHR
2 stops9h 05mLufthansa
Deal found 29/12$715
Wed 31/1207:30LHR - HEL
Nonstop2h 50mFinnair
Thu 1/107:50HEL - LHR
Nonstop3h 20mFinnair
Deal found 30/12$727
Tue 30/1218:10LHR - HEL
Nonstop2h 50mFinnair
Wed 31/1214:00HEL - LHR
Nonstop3h 15mFinnair
Deal found 29/12$767
Mon 29/1218:10LHR - HEL
Nonstop2h 50mFinnair
Thu 8/114:00HEL - LHR
Nonstop3h 15mFinnair
Deal found 29/12$770
Mon 29/1213:00LGW - HEL
1 stop7h 25mNorwegian
Fri 2/108:15HEL - LGW
Nonstop3h 10mNorwegian
Deal found 29/12$885
Mon 29/1218:15LCY - HEL
1 stop5h 05mLufthansa
Fri 2/106:55HEL - LCY
1 stop12h 45mLufthansa
Deal found 29/12$903
Mon 29/1218:10LHR - HEL
Nonstop2h 50mFinnair
Fri 2/114:00HEL - LHR
Nonstop3h 15mFinnair
Deal found 29/12$916
Wed 31/1207:30LHR - HEL
Nonstop2h 50mFinnair
Sat 3/107:50HEL - LHR
Nonstop3h 20mFinnair
Deal found 30/12$962
Mon 29/1213:00LGW - HEL
1 stop7h 25mNorwegian
Thu 1/109:00HEL - LGW
Nonstop3h 10mNorwegian
Deal found 29/12$989
Tue 30/1218:10LHR - HEL
Nonstop2h 50mFinnair
Sat 3/107:50HEL - LHR
Nonstop3h 20mFinnair
Deal found 30/12$1,007
Tue 30/1213:00LGW - HEL
1 stop7h 40mNorwegian
Sat 3/109:55HEL - LGW
1 stop4h 25mNorwegian
Deal found 30/12$1,101

Find flight deals from London to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 31 December 2025.

Round-trip from

$228

One-way from

$128

Popular in

July

Cheapest in

February

Average price

$389
Norwegian
  • Norwegian
  • 5/2-8/2
  • 1 total stop
  • 7h 30m total
  • London to Helsinki
Search Deals
Norwegian
  • Norwegian
  • 5/2
  • Nonstop
  • 3h 00m total
  • London to Helsinki
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($138 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 647,157 searches. Data last updated 31 December 2025.
Use the filters below to find and compare flights from London to Helsinki that are best for you.

Fly from

London

Fly to

Helsinki

Route

Depart

Return

Price

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 13/3

13:00-19:20

1 stop4h 20m

Helsinki-Vantaa

Sun 15/3

16:40-17:50

Nonstop3h 10m

$228

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 5/2

13:00-19:20

1 stop4h 20m

Helsinki-Vantaa

Sun 8/2

16:40-17:50

Nonstop3h 10m

$228

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 6/2

13:00-22:25

1 stop7h 25m

Helsinki-Vantaa

Sun 8/2

16:40-17:50

Nonstop3h 10m

$228

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 13/3

10:05-15:05

Nonstop3h 00m

Helsinki-Vantaa

Mon 16/3

09:20-16:20

1 stop9h 00m

$233

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 6/2

13:00-19:20

1 stop4h 20m

Helsinki-Vantaa

Mon 9/2

09:20-16:20

1 stop9h 00m

$233

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 9/2

09:15-19:20

1 stop8h 05m

Helsinki-Vantaa

Fri 13/2

07:40-16:20

1 stop10h 40m

$233

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 27/2

10:05-15:05

Nonstop3h 00m

Helsinki-Vantaa

Sun 1/3

16:40-17:50

Nonstop3h 10m

$257

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 8/5

09:50-14:40

Nonstop2h 50m

Helsinki-Vantaa

Sun 10/5

17:05-18:10

Nonstop3h 05m

$260

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 15/1

09:55-21:05

1 stop9h 10m

Helsinki-Vantaa

Tue 20/1

11:05-17:00

1 stop7h 55m

$288

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 21/1

06:40-15:25

1 stop6h 45m

Helsinki-Vantaa

Sun 25/1

15:35-21:20

1 stop7h 45m

$288

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 60 results
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Best time to book a flight from London to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from London 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 to Helsinki

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

Use this chart to determine the optimal time to book a return flight from London to Helsinki. Price data was last updated on 26 December 2025.

The price you pay for your flight from London to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 79 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 to Helsinki?

Currently, March is the cheapest month in which you can book a flight from London to Helsinki (average of $69). Flying from London to Helsinki in July is currently the most expensive (average of $204). 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 LON to HEL?

Find hourly flight availability from London 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 31 December 2025.

When flying from London to Helsinki, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Helsinki

Explore weekly flight availability from London 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 31 December 2025.

The most flights from LON to HEL are scheduled on a Tuesday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

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

How often are flights from London to Helsinki delayed?

About 22% of weekly flights between London and Helsinki have experienced delays in the past year, with the average delay time being 108 minutes.

What is the most punctual flight time for London to Helsinki flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Helsinki flights?

Over the past year, Ryanair have had the lowest number of delays on this route, with just 12% of flights being delayed.

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 31 December 2025.
Check out reviews from past customers who have flown with Ryanair from London to Helsinki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,235 reviews
Check prices

Boarding

6.7

Overall

6.9

Entertainment

5.6

Food

6.0

Comfort

6.5

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.9
Okay
5,235 reviews
Ryanair
6.9
Okay
5,235 reviews
Check prices

Boarding

6.7

Overall

6.9

Entertainment

5.6

Food

6.0

Comfort

6.5

Crew

7.5

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Located just 17.1 km from the city centre, Helsinki-Vantaa is the airport most travellers will use when flying to Helsinki from London. Booking flights from London to Helsinki-Vantaa (HEL) should be relatively easy as there are 23 daily inbound flights from London from 1 airline.

  • How long is the flight from London to Helsinki?

    Departing from London to Helsinki will take you 3h 10m. The distance from London to Helsinki is about 1780 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London to Helsinki round-trip?

    Our cheapest airline available from London to Helsinki is Finnair. Our recent data shows that you can find tickets from as low as $238 on this airline. Finnair is currently priced 14% below the average price you’ll pay for this route.

  • What are the most popular routes from London to Helsinki?

    While some choose either London Luton - Helsinki-Vantaa or London City - Helsinki-Vantaa, London Stansted - Helsinki-Vantaa is the most popular route from London to Helsinki.

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

    No one likes to see their flight delayed. When booking a flight from London to Helsinki consider choosing Vietnam Airlines(80%), LATAM Airlines(77%) or Japan Airlines(75%), as they are the most reliable in getting you off to your destination on time.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Helsinki?

    Currently, March is the cheapest month in which you can book a flight from London to Helsinki (average of $69). Flying from London to Helsinki in July is currently the most expensive (average of $204). 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
Vantaa

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from London to Helsinki

Discover the top airline that operate flights from London 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 647,157 searches. Data last updated 31 December 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$298Average$421FlexibilityNo cancel feeOn-time76%
Search Finnair 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 London to Helsinki?

When you search for this flight from London to Helsinki, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Helsinki.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Helsinki, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Helsinki from London today and book when prices fit your budget.

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