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Cheap flights from London to Helsinki from $149

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HEL
13 Jun — 20 Jun1
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 Tuesday or Monday and return on a Wednesday

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 14 May 2026.

Wed 3/619:20
STN
-
HEL
1 stop13h 10m
Multiple Airlines
Wed 10/600:00
HEL
-
STN
2 stops20h 30m
Multiple Airlines
Deal found 12/5$232
Wed 3/620:50
LTN
-
HEL
1 stop10h 55m
Multiple Airlines
Wed 10/600:00
HEL
-
LTN
2 stops16h 25m
Multiple Airlines
Deal found 12/5$236
Wed 10/620:50
LTN
-
HEL
1 stop10h 55m
Multiple Airlines
Wed 24/600:00
HEL
-
LTN
2 stops16h 25m
Multiple Airlines
Deal found 12/5$239
Mon 3/806:45
STN
-
HEL
Nonstop2h 50m
Ryanair
Tue 4/823:50
HEL
-
STN
Nonstop3h 00m
Ryanair
Deal found 12/5$241
Tue 4/818:35
STN
-
HEL
Nonstop2h 50m
Ryanair
Fri 7/818:35
HEL
-
STN
Nonstop3h 00m
Ryanair
Deal found 13/5$247
Mon 12/1009:50
LGW
-
HEL
Nonstop2h 50m
Norwegian
Mon 19/1008:05
HEL
-
LGW
Nonstop3h 05m
Norwegian
Deal found 13/5$266
Thu 6/810:25
STN
-
HEL
Nonstop2h 50m
Ryanair
Mon 10/812:15
HEL
-
STN
Nonstop3h 00m
Ryanair
Deal found 12/5$283
Wed 2/1217:35
LGW
-
HEL
1 stop4h 55m
airBaltic
Fri 4/1221:35
HEL
-
LGW
1 stop13h 05m
airBaltic
Deal found 13/5$286
Fri 26/613:10
STN
-
HEL
Nonstop2h 50m
Ryanair
Tue 30/623:50
HEL
-
STN
Nonstop3h 00m
Ryanair
Deal found 9/5$297
Fri 2/1009:50
LGW
-
HEL
Nonstop2h 50m
Norwegian
Tue 6/1008:30
HEL
-
LGW
1 stop6h 00m
Norwegian
Deal found 9/5$306
Mon 29/606:45
STN
-
HEL
Nonstop2h 50m
Ryanair
Sun 5/723:25
HEL
-
STN
Nonstop3h 00m
Ryanair
Deal found 12/5$306
Mon 23/1110:50
LGW
-
HEL
Nonstop3h 00m
Norwegian
Thu 28/109:00
HEL
-
LGW
Nonstop3h 10m
Norwegian
Deal found 10/5$309

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 14 May 2026.

Round-trip from

$232

One-way from

$149

Popular in

July

Cheapest in

February

Average price

$393

Good round-trip deal

$493 or less

Good one-way deal

$245 or less
3/6-10/6
  • 3/6-10/6
  • 3 total stops
  • 33h 40m total
  • London to Helsinki
Search Deals
22/6
  • 22/6
  • 2 total stops
  • 16h 50m total
  • London to Helsinki
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($123 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Helsinki-Vantaa.
Search Deals
Price to beat on a one-way flight from London (LON) to Helsinki-Vantaa.
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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 14 May 2026.
Use the filters below to find and compare flights from London to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHelsinki

LTN - HEL

LTNHEL

London Luton

Wed 3/6

20:50-09:45

1 stop10h 55m

Helsinki-Vantaa

Wed 10/6

00:00-14:25

2 stops16h 25m

$236

LondonHelsinki

LTN - HEL

LTNHEL

London Luton

Wed 10/6

20:50-09:45

1 stop10h 55m

Helsinki-Vantaa

Wed 24/6

00:00-14:25

2 stops16h 25m

$239

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Mon 7/9

09:50-14:40

Nonstop2h 50m

Helsinki-Vantaa

Mon 14/9

08:05-09:10

Nonstop3h 05m

$315

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 13/10

10:35-20:35

2 stops8h 00m

Helsinki-Vantaa

Thu 15/10

07:15-12:55

1 stop7h 40m

$346

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Wed 1/7

09:50-14:40

Nonstop2h 50m

Helsinki-Vantaa

Wed 22/7

08:05-09:10

Nonstop3h 05m

$346

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Sun 31/5

18:40-01:30

1 stop4h 50m

Helsinki-Vantaa

Wed 3/6

21:15-08:55

1 stop13h 40m

$367

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Mon 7/9

06:40-12:55

1 stop4h 15m

Helsinki-Vantaa

Mon 14/9

16:00-18:30

1 stop4h 30m

$368

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 4/9

21:05-09:35

1 stop10h 30m

Helsinki-Vantaa

Tue 8/9

13:25-18:30

2 stops7h 05m

$372

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 20/8

09:55-14:45

Nonstop2h 50m

Helsinki-Vantaa

Fri 28/8

08:05-09:10

Nonstop3h 05m

$404

LondonHelsinki

LCY - HEL

LCYHEL

London City

Thu 25/6

10:00-17:40

1 stop5h 40m

Helsinki-Vantaa

Thu 2/7

13:55-19:45

1 stop7h 50m

$415

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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?

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 78 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, January is the cheapest month in which you can book a flight from London to Helsinki (average of $130). Flying from London to Helsinki in March is currently the most expensive (average of $873). 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 14 May 2026.

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 14 May 2026.

The most flights from LON to HEL are scheduled on a Monday (29 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (21 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 19% of weekly flights between London and Helsinki have experienced delays in the past year, with the average delay time being 107 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.

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 25 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 $275 on this airline. Finnair is currently priced 3% 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 Japan Airlines(93%), Vietnam Airlines(93%) or Malaysia Airlines(93%), 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 $404, our data indicates the cheapest price to be $220. The most popular route (London Stansted - Helsinki-Vantaa), is priced around $185.

  • 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, January is the cheapest month in which you can book a flight from London to Helsinki (average of $130). Flying from London to Helsinki in March is currently the most expensive (average of $873). 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 14 May 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$275Average$380FlexibilityNo 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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