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Cheap flights from London to Helsinki from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Helsinki departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Ryanair Logo
16:00 - 21:10STN-HEL
3h 10mdirect
Ryanair Logo
22:30 - 23:40HEL-STN
3h 10mdirect
$173Ryanair
Find Deal
Wed, 26 Nov - Fri, 28 Nov
Ryanair Logo
06:20 - 11:30STN-HEL
3h 10mdirect
Ryanair Logo
11:45 - 12:55HEL-STN
3h 10mdirect
$180Ryanair
Find Deal
Mon, 8 Dec - Tue, 9 Dec
Multiple Airlines Logo
10:50 - 15:50LGW-HEL
3h 00mdirect
Multiple Airlines Logo
21:20 - 08:40HEL-LGW
13h 20m1 stop
$224Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
11:25 - 23:35STN-HEL
10h 10m1 stop
Multiple Airlines Logo
23:00 - 23:59HEL-STN
2h 59mdirect
$233Multiple Airlines
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Tue, 14 Oct - Sat, 25 Oct
Scandinavian Airlines Logo
06:40 - 15:25LHR-HEL
6h 45m1 stop
Scandinavian Airlines Logo
07:00 - 12:55HEL-LHR
7h 55m1 stop
$248Scandinavian Airlines
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Thu, 30 Oct - Thu, 6 Nov
Scandinavian Airlines Logo
13:55 - 23:35LHR-HEL
7h 40m1 stop
Scandinavian Airlines Logo
11:15 - 16:00HEL-LHR
6h 45m1 stop
$263Scandinavian Airlines
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Tue, 14 Oct - Sat, 25 Oct
airBaltic Logo
17:35 - 00:30LGW-HEL
4h 55m1 stop
airBaltic Logo
21:20 - 08:40HEL-LGW
13h 20m1 stop
$272airBaltic
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Thu, 30 Oct - Thu, 6 Nov
Norwegian Logo
10:50 - 15:50LGW-HEL
3h 00mdirect
Norwegian Logo
16:40 - 17:50HEL-LGW
3h 10mdirect
$275Norwegian
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Thu, 12 Feb - Sun, 15 Feb
Norwegian Logo
10:50 - 15:50LGW-HEL
3h 00mdirect
Norwegian Logo
09:00 - 10:10HEL-LGW
3h 10mdirect
$290Norwegian
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Thu, 30 Oct - Thu, 6 Nov
airBaltic Logo
17:35 - 00:30LGW-HEL
4h 55m1 stop
airBaltic Logo
05:30 - 08:40HEL-LGW
5h 10m1 stop
$503airBaltic
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Fri, 19 Dec - Tue, 23 Dec

Ryanair flights from London to Helsinki

Our best Ryanair deals on London to Helsinki flight tickets
Ryanair
26 Nov
STN16:00London Stansted
3h 10m
HEL21:10Helsinki-Vantaa
28 Nov
HEL22:30Helsinki-Vantaa
3h 10m
STN23:40London Stansted
$173
Find similar
Ryanair
24 Sept
STN17:10London Stansted
2h 50m
HEL22:00Helsinki-Vantaa
29 Sept
HEL22:20Helsinki-Vantaa
3h 00m
STN23:20London Stansted
$176
Find similar
Ryanair
8 Dec
STN06:20London Stansted
3h 10m
HEL11:30Helsinki-Vantaa
9 Dec
HEL11:45Helsinki-Vantaa
3h 10m
STN12:55London Stansted
$180
Find similar

KLM flights from London to Helsinki

Our best KLM deals on London to Helsinki flight tickets
KLM
30 Jan
LHR10:00London Heathrow
5h 25m
1 stop
HEL17:25Helsinki-Vantaa
31 Jan
HEL14:05Helsinki-Vantaa
8h 45m
1 stop
LHR20:50London Heathrow
$353
Find similar
KLM
6 Mar
LHR17:05London Heathrow
5h 00m
1 stop
HEL00:05Helsinki-Vantaa
10 Mar
HEL14:05Helsinki-Vantaa
4h 55m
1 stop
LHR17:00London Heathrow
$354
Find similar
KLM
21 Nov
LCY17:05London City
5h 00m
1 stop
HEL00:05Helsinki-Vantaa
24 Nov
HEL14:05Helsinki-Vantaa
4h 30m
1 stop
LCY16:35London City
$390
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 16 September 2025.
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

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Wed 26/11

16:00-21:10

Nonstop3h 10m

Helsinki-Vantaa

Fri 28/11

22:30-23:40

Nonstop3h 10m

$173

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Mon 8/12

06:20-11:30

Nonstop3h 10m

Helsinki-Vantaa

Tue 9/12

11:45-12:55

Nonstop3h 10m

$180

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 30/10

10:50-15:50

Nonstop3h 00m

Helsinki-Vantaa

Thu 6/11

21:20-08:40

1 stop13h 20m

$224

LondonHelsinki

STN - HEL

STNHEL

London Stansted

Tue 14/10

11:25-23:35

1 stop10h 10m

Helsinki-Vantaa

Sat 25/10

23:00-23:59

Nonstop2h 59m

$233

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 30/10

06:40-15:25

1 stop6h 45m

Helsinki-Vantaa

Thu 6/11

07:00-12:55

1 stop7h 55m

$248

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 14/10

13:55-23:35

1 stop7h 40m

Helsinki-Vantaa

Sat 25/10

11:15-16:00

1 stop6h 45m

$263

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 30/10

17:35-00:30

1 stop4h 55m

Helsinki-Vantaa

Thu 6/11

21:20-08:40

1 stop13h 20m

$272

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 12/2

10:50-15:50

Nonstop3h 00m

Helsinki-Vantaa

Sun 15/2

16:40-17:50

Nonstop3h 10m

$275

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Thu 30/10

10:50-15:50

Nonstop3h 00m

Helsinki-Vantaa

Thu 6/11

09:00-10:10

Nonstop3h 10m

$290

LondonHelsinki

LGW - HEL

LGWHEL

London Gatwick

Fri 19/12

17:35-00:30

1 stop4h 55m

Helsinki-Vantaa

Tue 23/12

05:30-08:40

1 stop5h 10m

$503

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helsinki from

How to get the cheapest flight ticket from London to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of November is, on average, the cheapest month to fly to Helsinki from London, with most prices found around $123. If you are unable to visit Helsinki during the month of November, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around $146.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Thursday when prices can be found for as low as $384. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Helsinki is Tuesday, with ticket prices averaging around $2,379.

What is the cheapest time of day to depart on your flight to Helsinki?

The cheapest time of day to fly to Helsinki is in the morning when flights can be purchased for as low as $384. In contrast, the most expensive time of day to depart to Helsinki is in the afternoon when prices are around $1,936.

What is the cheapest London to Helsinki-Vantaa flight route?

Fly from London Stansted to Helsinki-Vantaa for the best London - Helsinki-Vantaa flight prices

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $426 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from London for as low as $350 on momondo.

What cabin class options are available on London to Helsinki-Vantaa flights?

There are 3 cabin classes available to choose from on London to Helsinki-Vantaa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Helsinki flights?

No. A direct flight is the cheapest option for a flight between London to Helsinki.

How have London to Helsinki flight prices changed over time?

As of September 2025, prices for London to Helsinki flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from London to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from London to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Helsinki (LON to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Helsinki

Fastest flight time

2h 50m

Direct flights

Every day

Airports in Helsinki

1 airport
The fastest flight from London to Helsinki takes 2h 50m
Direct flights go from London to Helsinki every day.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
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  • How far is London to Helsinki-Vantaa by plane?

    London and Helsinki-Vantaa are 1819.6 km apart from one another. In terms of flight time, this usually takes a little over 2h 50m.

  • When did momondo last update prices for flights from London to Helsinki-Vantaa Airport?

    Prices for flights from London to Helsinki-Vantaa Airport are updated daily.

  • How many operators does momondo search for flights from London to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from London to Helsinki-Vantaa Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Helsinki?

  • What is the most popular airline from London to Helsinki?

Best airlines flying from London to Helsinki

Compare and see reviews for airlines that fly from London to Helsinki with momondo
Airline
Rating
Free cancellation
Price
FinnairPriceFrom $299Free cancellationRating
7.6
1,323 reviews
Search Finnair flights

  • Finnair Flights From London to Helsinki

    The lowest priced Finnair flight from London to Helsinki from the last 72 hours was $199. Generally, Finnair has 38 flights on this route every week with an average price of $282. Finnair is rated 7.6/10 by our users.

Travelling to a place near Helsinki?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Helsinki?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Helsinki. momondo saves you time and could save you money on your trip.

Can I find flights from London to Helsinki with flexible booking policies on momondo?

Yes. All flights to Helsinki from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Helsinki?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helsinki from London.

I’m not ready to book a flight from London to Helsinki right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Finland

Airports servicing Finland

Lapland Airport