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Cheap flights from London Heathrow Airport to Helsinki from £69

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 Heathrow Airport to Helsinki departing on 19/11. 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
0 bags

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Find the cheapest flights from London Heathrow Airport to Helsinki

Cheap return flights

Scandinavian Airlines Logo
13:55 - 23:35LHR-HEL
7h 40m1 stop
Scandinavian Airlines Logo
07:20 - 12:55HEL-LHR
7h 35m1 stop
£123Scandinavian Airlines
Find Deal
Wed, 15 Oct - Sat, 18 Oct
Scandinavian Airlines Logo
06:40 - 23:35LHR-HEL
14h 55m1 stop
Scandinavian Airlines Logo
20:55 - 12:55HEL-LHR
18h 00m1 stop
£124Scandinavian Airlines
Find Deal
Mon, 20 Oct - Mon, 1 Dec
Scandinavian Airlines Logo
06:40 - 16:55LHR-HEL
8h 15m1 stop
Scandinavian Airlines Logo
07:10 - 12:55HEL-LHR
7h 45m1 stop
£126Scandinavian Airlines
Find Deal
Mon, 6 Oct - Wed, 8 Oct
Scandinavian Airlines Logo
06:40 - 18:00LHR-HEL
9h 20m1 stop
Scandinavian Airlines Logo
07:20 - 12:55HEL-LHR
7h 35m1 stop
£126Scandinavian Airlines
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Scandinavian Airlines Logo
06:40 - 20:20LHR-HEL
11h 40m1 stop
Scandinavian Airlines Logo
15:35 - 21:20HEL-LHR
7h 45m1 stop
£127Scandinavian Airlines
Find Deal
Wed, 28 Jan - Sun, 1 Feb
Logo
07:30 - 12:20LHR-HEL
2h 50mdirect
Logo
20:55 - 12:55HEL-LHR
18h 00m1 stop
£147
Find Deal
Mon, 3 Nov - Tue, 4 Nov
Finnair Logo
07:30 - 12:20LHR-HEL
2h 50mdirect
Finnair Logo
21:05 - 22:10HEL-LHR
3h 05mdirect
£151Finnair
Find Deal
Thu, 2 Oct - Sun, 5 Oct
Finnair Logo
18:10 - 23:00LHR-HEL
2h 50mdirect
Finnair Logo
07:50 - 09:10HEL-LHR
3h 20mdirect
£154Finnair
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Finnair Logo
07:30 - 12:20LHR-HEL
2h 50mdirect
Finnair Logo
21:05 - 22:10HEL-LHR
3h 05mdirect
£155Finnair
Find Deal
Tue, 14 Oct - Thu, 16 Oct
Finnair Logo
16:15 - 21:10LHR-HEL
2h 55mdirect
Finnair Logo
14:00 - 15:15HEL-LHR
3h 15mdirect
£156Finnair
Find Deal
Sat, 6 Dec - Sat, 13 Dec

Scandinavian Airlines flights from London Heathrow Airport to Helsinki

Our best Scandinavian Airlines deals on London Heathrow Airport to Helsinki flight tickets
Scandinavian Airlines
15 Oct
LHR13:55London Heathrow
7h 40m
1 stop
HEL23:35Helsinki-Vantaa
18 Oct
HEL07:20Helsinki-Vantaa
7h 35m
1 stop
LHR12:55London Heathrow
£123
Find similar
Scandinavian Airlines
20 Oct
LHR06:40London Heathrow
14h 55m
1 stop
HEL23:35Helsinki-Vantaa
1 Dec
HEL20:55Helsinki-Vantaa
18h 00m
1 stop
LHR12:55London Heathrow
£124
Find similar
Scandinavian Airlines
6 Oct
LHR06:40London Heathrow
8h 15m
1 stop
HEL16:55Helsinki-Vantaa
8 Oct
HEL07:10Helsinki-Vantaa
7h 45m
1 stop
LHR12:55London Heathrow
£126
Find similar

Finnair flights from London Heathrow Airport to Helsinki

Our best Finnair deals on London Heathrow Airport to Helsinki flight tickets
Finnair
2 Oct
LHR07:30London Heathrow
2h 50m
HEL12:20Helsinki-Vantaa
5 Oct
HEL21:05Helsinki-Vantaa
3h 05m
LHR22:10London Heathrow
£151
Find similar
Finnair
6 Dec
LHR18:10London Heathrow
2h 50m
HEL23:00Helsinki-Vantaa
13 Dec
HEL07:50Helsinki-Vantaa
3h 20m
LHR09:10London Heathrow
£154
Find similar
Finnair
14 Oct
LHR07:30London Heathrow
2h 50m
HEL12:20Helsinki-Vantaa
16 Oct
HEL21:05Helsinki-Vantaa
3h 05m
LHR22:10London Heathrow
£155
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 15/10

13:55-23:35

1 stop7h 40m

Helsinki-Vantaa

Sat 18/10

07:20-12:55

1 stop7h 35m

£123

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Mon 20/10

06:40-23:35

1 stop14h 55m

Helsinki-Vantaa

Mon 1/12

20:55-12:55

1 stop18h 00m

£124

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Mon 6/10

06:40-16:55

1 stop8h 15m

Helsinki-Vantaa

Wed 8/10

07:10-12:55

1 stop7h 45m

£126

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Sat 27/9

06:40-18:00

1 stop9h 20m

Helsinki-Vantaa

Sat 4/10

07:20-12:55

1 stop7h 35m

£126

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 28/1

06:40-20:20

1 stop11h 40m

Helsinki-Vantaa

Sun 1/2

15:35-21:20

1 stop7h 45m

£127

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Mon 3/11

07:30-12:20

Nonstop2h 50m

Helsinki-Vantaa

Tue 4/11

20:55-12:55

1 stop18h 00m

£147

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 2/10

07:30-12:20

Nonstop2h 50m

Helsinki-Vantaa

Sun 5/10

21:05-22:10

Nonstop3h 05m

£151

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Sat 6/12

18:10-23:00

Nonstop2h 50m

Helsinki-Vantaa

Sat 13/12

07:50-09:10

Nonstop3h 20m

£154

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 14/10

07:30-12:20

Nonstop2h 50m

Helsinki-Vantaa

Thu 16/10

21:05-22:10

Nonstop3h 05m

£155

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Sat 6/12

16:15-21:10

Nonstop2h 55m

Helsinki-Vantaa

Sat 13/12

14:00-15:15

Nonstop3h 15m

£156

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport and Helsinki?

What is the cheapest month to fly to Helsinki?

The cheapest month to fly to Helsinki from London Heathrow Airport is in March. Flight prices, which tend to average around £164, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Helsinki, with average flight prices from London Heathrow Airport averaging around £180.

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

The cheapest day to depart from London Heathrow Airport to Helsinki is on a Monday. Travellers who choose to depart for Helsinki on a Monday will often find tickets for as low as £409. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Helsinki on Saturday is £558.

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

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from London Heathrow Airport to Helsinki in the evening for as low as £131. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Helsinki are more costly at midday, with an average ticket price of £556. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from London Heathrow to Helsinki-Vantaa for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around £209 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 Heathrow Airport for as low as £180 on momondo.

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

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

How have London Heathrow Airport to Helsinki flight prices changed over time?

As of September 2025, prices for London Heathrow Airport to Helsinki flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Helsinki

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

Cheap London Heathrow Airport to Helsinki (LHR to HEL) flight deals and tips

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

Best price found

£165

Fastest flight time

2h 50m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from London Heathrow Airport in the past 72 hours is £165. The best return flight deal from London Heathrow Airport to Helsinki found on momondo in the last 72 hours is £288.
The fastest flight from London Heathrow Airport to Helsinki takes 2h 50m
Direct flights go from London Heathrow Airport to Helsinki on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airline offering direct flights is Finnair..
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
Search flight deals

  • How far is London Heathrow to Helsinki-Vantaa by plane?

    London Heathrow and Helsinki-Vantaa are 1142.6 mi 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 Heathrow Airport to Helsinki-Vantaa Airport?

    Prices for flights from London Heathrow Airport to Helsinki-Vantaa Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport 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 license 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 Heathrow Airport to Helsinki?

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

Best airlines flying from London Heathrow Airport to Helsinki

Compare and see reviews for airlines that fly from London Heathrow Airport to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £47Free CancellationRating
6.8
5,158 reviews
Search Ryanair flights
NorwegianPriceFrom £77Free CancellationRating
7.8
233 reviews
Search Norwegian flights
Scandinavian AirlinesPriceFrom £122Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
KLMPriceFrom £134Free CancellationRating
7.8
1,385 reviews
Search KLM flights
FinnairPriceFrom £140Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
British AirwaysPriceFrom £149Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LufthansaPriceFrom £161Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

  • Finnair Flights From London Heathrow Airport to Helsinki

    Finnair is one of the most popular airlines flying from London Heathrow Airport to Helsinki, operating 38 flights/week on average for this route. A good Finnair flight deal for London Heathrow Airport to Helsinki starts from £190 round-trip, up to an average price of £330. Our users have rated Finnair at 7.6/10.

  • British Airways Flights From London Heathrow Airport to Helsinki

    British Airways (6.6/10 from 7,361 reviews) operates around 38 flights from London Heathrow Airport to Helsinki in any given week. The average British Airways airfare for this route is around £575, with deals from around £202 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Helsinki flight searches in the last 72 hours.

Travelling to a place near Helsinki?

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

Why use momondo?

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

Finding the right flight to Helsinki from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Helsinki quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for London to Helsinki flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Helsinki.

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

Price alerts on flights to Helsinki from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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