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Cheap flights from London to Helsinki from $145

LON — HEL
31 Oct — 7 Nov1
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 Wednesday or Thursday and return on a Tuesday

Cheap flight deals from London to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from London to Helsinki

Mon 7/1215:00 -
Nonstop2h 50m
Wed 16/1221:45 -
Nonstop3h 10m
Deal found 29/9$238
Sun 15/1109:05 -
1 stop13h 35m
Tue 17/1105:30 -
1 stop5h 10m
Deal found 30/9$241
Fri 13/1109:25 -
1 stop9h 30m
Fri 20/1121:35 -
1 stop13h 05m
Deal found 29/9$243
Wed 16/1207:55 -
Nonstop2h 50m
Sat 19/1221:10 -
Nonstop3h 10m
Deal found 29/9$244
Wed 9/1207:55 -
Nonstop2h 50m
Wed 16/1221:45 -
Nonstop3h 10m
Deal found 29/9$248
Thu 12/1110:50 -
Nonstop3h 00m
Thu 19/1107:20 -
1 stop11h 00m
Deal found 28/9$250
Thu 5/1110:50 -
Nonstop3h 00m
Tue 10/1107:20 -
1 stop7h 00m
Deal found 29/9$251
Sun 15/1107:15 -
Nonstop2h 50m
Sun 22/1122:45 -
1 stop10h 20m
Deal found 1/10$251
Fri 25/1209:15 -
1 stop11h 10m
Fri 1/117:15 -
Nonstop3h 10m
Deal found 27/9$260
Fri 20/1110:05 -
Nonstop3h 00m
Mon 23/1109:00 -
Nonstop3h 10m
Deal found 28/9$263
Thu 29/1016:40 -
Nonstop2h 50m
Mon 2/1120:25 -
Nonstop3h 10m
Deal found 27/9$263
Mon 7/1215:00 -
Nonstop2h 50m
Thu 17/1222:05 -
Nonstop3h 10m
Deal found 29/9$271

Find flight deals from London to Helsinki

Round-trip from

$238

One-way from

$145

Popular in

June

Cheapest in

February

Average price

$353

Good round-trip deal

$390 or less

Good one-way deal

$289 or less
Ryanair
  • Ryanair
  • 7/12-16/12
  • Nonstop
  • 6h 00m total
  • London to Helsinki
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Ryanair
  • Ryanair
  • 1/11-31/12
  • Nonstop
  • 2h 50m total
  • London to Helsinki
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($199 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from London (LON) to Helsinki-Vantaa.
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Price to beat on a one-way flight from London (LON) to Helsinki-Vantaa.
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Cheapflights Fare Finder

 
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
Fastest return journey

LondonHelsinki

STN London Stansted - HEL Helsinki-Vantaa

STNHEL

London Stansted

Sun 1/11

07:15-12:05

Nonstop2h 50m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$145

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Sun 10/1

09:05-00:40

1 stop13h 35m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$162

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Wed 6/1

17:35-00:40

1 stop5h 05m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$162

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Sat 21/11

09:25-00:40

1 stop13h 15m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$162

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Fri 8/1

17:35-08:20

1 stop12h 45m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$162

LondonHelsinki

LGW London Gatwick - HEL Helsinki-Vantaa

LGWHEL

London Gatwick

Fri 19/2

17:35-08:20

1 stop12h 45m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$162

LondonHelsinki

STN London Stansted - HEL Helsinki-Vantaa

STNHEL

London Stansted

Sun 29/11

15:45-20:35

Nonstop2h 50m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$165

LondonHelsinki

LHR London Heathrow - HEL Helsinki-Vantaa

LHRHEL

London Heathrow

Fri 19/2

10:20-15:15

Nonstop2h 55m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$171

LondonHelsinki

LHR London Heathrow - HEL Helsinki-Vantaa

LHRHEL

London Heathrow

Wed 13/1

16:15-21:10

Nonstop2h 55m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$171

LondonHelsinki

LHR London Heathrow - HEL Helsinki-Vantaa

LHRHEL

London Heathrow

Thu 18/3

06:40-14:50

1 stop6h 10m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

$181

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 59 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

Cheapflights Insights

Everything you need to know about your flight from London to Helsinki

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

Currently, February is the cheapest month in which you can book a flight from London to Helsinki (average of $157). Flying from London to Helsinki in July is currently the most expensive (average of $516). 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?

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

The most flights from LON to HEL are scheduled on a Wednesday (27 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

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

Airfare is below average for this route at the moment.
London to Helsinki flights typically cost between $243 and $485 in December.
The cheapest return price found within the last 5 days was $238 on Ryanair (7 Dec–16 Dec).

How often are flights from London to Helsinki delayed?

About 18% of weekly flights between London and Helsinki have experienced delays in the past year, with the average delay time being 110 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 13% of flights being delayed.

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

Reviews of airlines servicing Helsinki

Check out reviews from past customers who have flown with Finnair 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.
Finnair
7.6
Good
1,430 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Gurinder,Aug 2026

BKK - HEL

The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience
Finnair
7.6
Good
1,430 reviews
Finnair
7.6
Good
1,430 reviews
Check prices

Food

6.7

Boarding

7.6

Entertainment

6.9

Overall

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Gurinder,Aug 2026

BKK - HEL

The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience

Related info for your journey

  • 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 24 daily inbound flights from London from 0 different airlines.

  • 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 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(86%), Malaysia Airlines(84%) or LATAM Airlines(82%), 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 $1,518, our data indicates the cheapest price to be $236. The most popular route (London Stansted - Helsinki-Vantaa), is priced around $192.

  • 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, February is the cheapest month in which you can book a flight from London to Helsinki (average of $157). Flying from London to Helsinki in July is currently the most expensive (average of $516). 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?

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Vantaa

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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.

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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.

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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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