Cheap flights from London to Helsinki from $152

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HEL
3 Sep — 10 Sep1
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 Monday

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 29 August 2025.

Round-trip from

$238

One-way from

$152

Popular in

July

Cheapest in

November

Average price

$379

Good round-trip deal

$465 or less

Good one-way deal

$282 or less
Ryanair
  • Ryanair
  • 26/9-28/9
  • Nonstop
  • 5h 50m total
  • London to Helsinki
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/9
  • 1 total stop
  • 8h 15m total
  • London to Helsinki
Highest demand for flights based on searches. 22% potential increase in price ($133 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average return price).
Average for round-trip flights in August 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 29 August 2025.

Fri 26/907:50STN - HEL
Nonstop2h 50mRyanair
Sun 28/918:00HEL - STN
Nonstop3h 00mRyanair
Deal found 28/8$238
Mon 1/1210:50LGW - HEL
Nonstop3h 00mNorwegian
Mon 8/1209:00HEL - LGW
Nonstop3h 10mNorwegian
Deal found 26/8$242
Sat 20/917:35STN - HEL
Nonstop2h 50mRyanair
Sun 12/1018:00HEL - STN
Nonstop3h 00mRyanair
Deal found 29/8$247
Sat 20/917:35STN - HEL
Nonstop2h 50mRyanair
Sun 21/918:00HEL - STN
Nonstop3h 00mRyanair
Deal found 29/8$248
Mon 1/1206:20STN - HEL
Nonstop3h 10mRyanair
Mon 8/1212:05HEL - STN
Nonstop3h 10mRyanair
Deal found 26/8$256
Sun 12/1009:55LHR - HEL
1 stop4h 25mScandinavian Airlines
Sun 19/1017:00HEL - LHR
1 stop6h 20mScandinavian Airlines
Deal found 27/8$256
Sun 12/1018:00STN - HEL
2 stops18h 50mMultiple Airlines
Sun 19/1018:00HEL - STN
Nonstop3h 00mMultiple Airlines
Deal found 27/8$258
Fri 28/1110:05LGW - HEL
Nonstop3h 00mNorwegian
Fri 5/1208:15HEL - LGW
Nonstop3h 10mNorwegian
Deal found 27/8$259
Sun 14/912:35STN - HEL
Nonstop2h 50mRyanair
Tue 16/913:25HEL - STN
Nonstop3h 00mRyanair
Deal found 28/8$261
Wed 12/1117:35LGW - HEL
1 stop4h 55mairBaltic
Fri 14/1108:40HEL - LGW
1 stop10h 05mairBaltic
Deal found 28/8$262
Sun 12/1020:45LGW - HEL
1 stop10h 35mNorwegian
Sun 19/1021:15HEL - LGW
1 stop15h 05mNorwegian
Deal found 27/8$264
Thu 11/914:30STN - HEL
2 stops17h 15mRyanair
Sat 13/923:00HEL - STN
Nonstop2h 59mRyanair
Deal found 27/8$267

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 29 August 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

STN - HEL

STNHEL

London Stansted

Fri 26/9

07:50-12:40

Nonstop2h 50m

Helsinki-Vantaa

Sun 28/9

18:00-19:00

Nonstop3h 00m

$238

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 1/12

10:50-15:50

Nonstop3h 00m

Helsinki-Vantaa

Mon 8/12

09:00-10:10

Nonstop3h 10m

$242

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Tue 2/12

09:25-20:40

1 stop9h 15m

Helsinki-Vantaa

Thu 4/12

05:30-16:45

1 stop13h 15m

$242

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 2/1

09:25-08:00

1 stop20h 35m

Helsinki-Vantaa

Tue 6/1

21:20-16:45

1 stop21h 25m

$244

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Sun 11/1

14:05-23:40

1 stop7h 35m

Helsinki-Vantaa

Sun 18/1

16:40-17:50

Nonstop3h 10m

$245

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Sat 20/9

17:35-22:25

Nonstop2h 50m

Helsinki-Vantaa

Sun 12/10

18:00-19:00

Nonstop3h 00m

$247

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Sun 12/10

09:55-16:20

1 stop4h 25m

Helsinki-Vantaa

Sun 19/10

17:00-21:20

1 stop6h 20m

$256

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Mon 1/12

06:20-11:30

Nonstop3h 10m

Helsinki-Vantaa

Mon 8/12

12:05-13:15

Nonstop3h 10m

$256

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Sun 12/10

18:00-14:50

2 stops18h 50m

Helsinki-Vantaa

Sun 19/10

18:00-19:00

Nonstop3h 00m

$258

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 28/11

10:05-15:05

Nonstop3h 00m

Helsinki-Vantaa

Fri 5/12

08:15-09:25

Nonstop3h 10m

$259

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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 22 August 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 29 August 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 79% 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 29 August 2025.

The most flights from LON to HEL are scheduled on a Wednesday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 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 29 August 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.

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Food

6.0

Overall

6.8

Boarding

6.7

Comfort

6.5

Crew

7.5

Entertainment

5.6

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

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 38 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 2h 50m. 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 $306 on this airline.

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

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $152. However, be on the lookout for offers from airBaltic and Ryanair, 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 LATAM Airlines(76%), Malaysia Airlines(76%) or SriLankan Airlines(73%), 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 $1,813, our data indicates the cheapest price to be $262. The most popular route (London Stansted - Helsinki-Vantaa), is priced around $205.

  • 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 Helsinki?

Book flights to Helsinki 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$306Average$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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