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Cheap flights from London to Helsinki from $158

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HEL
13 Jul — 20 Jul1
1 adult

Cheapflights Tip: The best prices from London to Helsinki-Vantaa are usually found in November or March, booked 75 days in advance, depart on a Monday or Friday and return on a Wednesday

Cheap 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 8 July 2025.

Round-trip from

$226

One-way from

$158

Popular in

July

Cheapest in

November

Average price

$449

Good round-trip deal

$423 or less

Good one-way deal

$52 or less
Norwegian
  • Norwegian
  • 4/9-8/9
  • Nonstop
  • 5h 55m total
  • London to Helsinki
Norwegian
  • Norwegian
  • 24/8
  • Nonstop
  • 2h 50m total
  • London to Helsinki
Highest demand for flights based on searches. 22% potential increase in price ($137 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London (LON) to Helsinki-Vantaa.
Price to beat on a one-way flight from London (LON) to Helsinki-Vantaa.

Find flight deals from London to Helsinki

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 8 July 2025.

Thu 4/909:55LGW - HEL
Nonstop2h 50mNorwegian
Mon 8/908:05HEL - LGW
Nonstop3h 05mNorwegian
Deal found 7/7$226
Wed 27/817:10STN - HEL
Nonstop2h 50mRyanair
Thu 28/813:00HEL - STN
Nonstop3h 00mRyanair
Deal found 7/7$231
Fri 26/921:05LHR - HEL
1 stop11h 25mScandinavian Airlines
Mon 29/921:05HEL - LHR
1 stop13h 50mScandinavian Airlines
Deal found 7/7$292
Thu 4/1217:05LHR - HEL
1 stop5h 00mKLM
Sun 7/1207:00HEL - LHR
1 stop5h 45mKLM
Deal found 6/7$332
Tue 7/1016:25LHR - HEL
1 stop5h 25mLufthansa
Thu 16/1012:40HEL - LHR
1 stop10h 05mLufthansa
Deal found 7/7$344
Wed 27/817:10STN - HEL
Nonstop2h 50mMultiple Airlines
Sat 30/807:20HEL - STN
2 stops18h 30mMultiple Airlines
Deal found 6/7$352
Mon 1/1209:20LCY - HEL
1 stop6h 05mKLM
Thu 4/1214:05HEL - LCY
1 stop5h 15mKLM
Deal found 7/7$370
Wed 3/1210:20LHR - HEL
Nonstop2h 55mFinnair
Sun 7/1207:50HEL - LHR
Nonstop3h 20mFinnair
Deal found 7/7$370
Thu 21/809:10LGW - HEL
1 stop9h 30mMultiple Airlines
Thu 28/808:05HEL - LGW
Nonstop3h 05mMultiple Airlines
Deal found 7/7$383
Sat 27/1214:05LHR - HEL
1 stop8h 00mMultiple Airlines
Wed 14/106:30HEL - LHR
1 stop6h 00mMultiple Airlines
Deal found 7/7$403
Wed 27/821:20LTN - HEL
2 stops17h 35mMultiple Airlines
Sat 30/805:35HEL - LTN
3 stops18h 10mMultiple Airlines
Deal found 6/7$413
Thu 23/1008:45LCY - HEL
1 stop13h 30mLufthansa
Mon 27/1013:55HEL - LCY
1 stop5h 40mLufthansa
Deal found 7/7$430

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 8 July 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

Thu 4/9

09:55-14:45

Nonstop2h 50m

Helsinki-Vantaa

Mon 8/9

08:05-09:10

Nonstop3h 05m

$226

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Wed 27/8

17:10-22:00

Nonstop2h 50m

Helsinki-Vantaa

Thu 28/8

13:00-14:00

Nonstop3h 00m

$231

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 26/9

21:05-10:30

1 stop11h 25m

Helsinki-Vantaa

Mon 29/9

21:05-08:55

1 stop13h 50m

$292

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 4/12

17:05-00:05

1 stop5h 00m

Helsinki-Vantaa

Sun 7/12

07:00-10:45

1 stop5h 45m

$332

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 7/10

06:55-23:50

1 stop14h 55m

Helsinki-Vantaa

Fri 17/10

12:40-20:45

1 stop10h 05m

$344

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Wed 27/8

17:10-22:00

Nonstop2h 50m

Helsinki-Vantaa

Sat 30/8

07:20-23:50

2 stops18h 30m

$352

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 3/12

10:20-15:15

Nonstop2h 55m

Helsinki-Vantaa

Sun 7/12

07:50-09:10

Nonstop3h 20m

$370

LondonHelsinki

LCY - HEL

LCYHEL

London City

Mon 1/12

09:20-17:25

1 stop6h 05m

Helsinki-Vantaa

Thu 4/12

14:05-17:20

1 stop5h 15m

$370

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 21/8

09:10-20:40

1 stop9h 30m

Helsinki-Vantaa

Thu 28/8

08:05-09:10

Nonstop3h 05m

$383

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Sat 27/12

14:05-00:05

1 stop8h 00m

Helsinki-Vantaa

Wed 14/1

06:30-10:30

1 stop6h 00m

$403

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 34 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 27 June 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 75 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, May is the cheapest month in which you can book a flight from London to Helsinki (average of $1,069). Flying from London to Helsinki in December is currently the most expensive (average of $1,611). 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 8 July 2025.

A simple way to save on the total cost of your ticket is to fly from London to Helsinki in the morning. If you’re flexible enough to do this you can expect to save up to 78% on your trip compared to booking a flight in the afternoon.

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 8 July 2025.

The most flights from LON to HEL are scheduled on a Monday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

How much does it cost for a return flight from London 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 8 July 2025.
Check out reviews from past customers who have flown with KLM, airBaltic, andNorwegian 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.

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

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

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

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

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

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

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

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

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

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

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,June 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 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 39 daily inbound flights from London from 1 airline.

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

    Our cheapest airline available from London to Helsinki is Norwegian. Our recent data shows that you can find tickets from as low as $226 on this airline. Additional options worth looking into are Ryanair and Scandinavian Airlines, starting at $231 and $292 round-trip. Norwegian is currently priced 25% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Norwegian, with whom users have recently found tickets for as low as $158. However, be on the lookout for offers from Ryanair and Scandinavian Airlines, as they are both options that can get you from London to Helsinki for a low price.

  • What are the most popular routes 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 Japan Airlines(82%), Malaysia Airlines(80%) or American Airlines(78%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Helsinki?

    Looking for the cheapest flight from London to Helsinki? While on average our users pay $1,536, our data indicates the cheapest price to be $204. The most popular route (London Stansted - Helsinki-Vantaa), is priced around $206.

  • 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, May is the cheapest month in which you can book a flight from London to Helsinki (average of $1,069). Flying from London to Helsinki in December is currently the most expensive (average of $1,611). 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 London?

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

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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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$307Average$433FlexibilityNo 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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