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Cheap flights from London Heathrow Airport to Helsinki from £68

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 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Scandinavian Airlines Logo
06:40 - 16:55LHR-HEL
8h 15m1 stop
Scandinavian Airlines Logo
07:10 - 12:55HEL-LHR
7h 45m1 stop
£114Scandinavian Airlines
Find Deal
Wed, 17 Sep - Tue, 30 Sep
Scandinavian Airlines Logo
21:05 - 10:30LHR-HEL
11h 25m1 stop
Scandinavian Airlines Logo
13:20 - 19:55HEL-LHR
8h 35m1 stop
£122Scandinavian Airlines
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Scandinavian Airlines Logo
09:55 - 20:25LHR-HEL
8h 30m1 stop
Scandinavian Airlines Logo
07:05 - 12:55HEL-LHR
7h 50m1 stop
£124Scandinavian Airlines
Find Deal
Wed, 24 Sep - Sat, 27 Sep
Scandinavian Airlines Logo
06:40 - 16:55LHR-HEL
8h 15m1 stop
Scandinavian Airlines Logo
11:05 - 17:00HEL-LHR
7h 55m1 stop
£125Scandinavian Airlines
Find Deal
Wed, 27 Aug - Wed, 10 Sep
Scandinavian Airlines Logo
21:05 - 10:30LHR-HEL
11h 25m1 stop
Scandinavian Airlines Logo
13:20 - 19:55HEL-LHR
8h 35m1 stop
£126Scandinavian Airlines
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Scandinavian Airlines Logo
06:40 - 16:55LHR-HEL
8h 15m1 stop
Scandinavian Airlines Logo
11:05 - 17:00HEL-LHR
7h 55m1 stop
£128Scandinavian Airlines
Find Deal
Wed, 27 Aug - Wed, 3 Sep
Air France Logo
11:30 - 22:35LHR-HEL
9h 05m1 stop
Air France Logo
06:30 - 10:30HEL-LHR
6h 00m1 stop
£149Air France
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Air France Logo
08:55 - 16:25LHR-HEL
5h 30m1 stop
Air France Logo
06:30 - 10:30HEL-LHR
6h 00m1 stop
£150Air France
Find Deal
Tue, 2 Dec - Fri, 5 Dec
KLM Logo
08:40 - 17:25LHR-HEL
6h 45m1 stop
KLM Logo
14:05 - 19:15HEL-LHR
7h 10m1 stop
£160KLM
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Logo
13:55 - 20:25LHR-HEL
4h 30m1 stop
Logo
21:05 - 22:10HEL-LHR
3h 05mdirect
£162
Find Deal
Thu, 18 Sep - Mon, 22 Sep

Scandinavian Airlines flights from London Heathrow Airport to Helsinki

Our best Scandinavian Airlines deals on London Heathrow Airport to Helsinki flight tickets
Scandinavian Airlines
17 Sept
LHR06:40London Heathrow
8h 15m
1 stop
HEL16:55Helsinki-Vantaa
30 Sept
HEL07:10Helsinki-Vantaa
7h 45m
1 stop
LHR12:55London Heathrow
£114
Find similar
Scandinavian Airlines
12 Sept
LHR21:05London Heathrow
11h 25m
1 stop
HEL10:30Helsinki-Vantaa
19 Sept
HEL13:20Helsinki-Vantaa
8h 35m
1 stop
LHR19:55London Heathrow
£122
Find similar
Scandinavian Airlines
24 Sept
LHR09:55London Heathrow
8h 30m
1 stop
HEL20:25Helsinki-Vantaa
27 Sept
HEL07:05Helsinki-Vantaa
7h 50m
1 stop
LHR12:55London Heathrow
£124
Find similar

Air France flights from London Heathrow Airport to Helsinki

Our best Air France deals on London Heathrow Airport to Helsinki flight tickets
Air France
21 Jan
LHR11:30London Heathrow
9h 05m
1 stop
HEL22:35Helsinki-Vantaa
25 Jan
HEL06:30Helsinki-Vantaa
6h 00m
1 stop
LHR10:30London Heathrow
£149
Find similar
Air France
2 Dec
LHR08:55London Heathrow
5h 30m
1 stop
HEL16:25Helsinki-Vantaa
5 Dec
HEL06:30Helsinki-Vantaa
6h 00m
1 stop
LHR10:30London Heathrow
£150
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 31 July 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 17/9

06:40-16:55

1 stop8h 15m

Helsinki-Vantaa

Tue 30/9

07:10-12:55

1 stop7h 45m

£114

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 12/9

21:05-10:30

1 stop11h 25m

Helsinki-Vantaa

Fri 19/9

13:20-19:55

1 stop8h 35m

£122

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 24/9

09:55-20:25

1 stop8h 30m

Helsinki-Vantaa

Sat 27/9

07:05-12:55

1 stop7h 50m

£124

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 27/8

06:40-16:55

1 stop8h 15m

Helsinki-Vantaa

Wed 10/9

11:05-17:00

1 stop7h 55m

£125

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Fri 12/9

21:05-10:30

1 stop11h 25m

Helsinki-Vantaa

Fri 19/9

13:20-19:55

1 stop8h 35m

£126

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 27/8

06:40-16:55

1 stop8h 15m

Helsinki-Vantaa

Wed 3/9

11:05-17:00

1 stop7h 55m

£128

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 21/1

11:30-22:35

1 stop9h 05m

Helsinki-Vantaa

Sun 25/1

06:30-10:30

1 stop6h 00m

£149

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Tue 2/12

08:55-16:25

1 stop5h 30m

Helsinki-Vantaa

Fri 5/12

06:30-10:30

1 stop6h 00m

£150

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Wed 3/12

08:40-17:25

1 stop6h 45m

Helsinki-Vantaa

Sun 7/12

14:05-19:15

1 stop7h 10m

£160

LondonHelsinki

LHR - HEL

LHRHEL

London Heathrow

Thu 18/9

13:55-20:25

1 stop4h 30m

Helsinki-Vantaa

Mon 22/9

21:05-22:10

Nonstop3h 05m

£162

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 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 £172, 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 Tuesday. Travellers who choose to depart for Helsinki on a Tuesday will often find tickets for as low as £468. 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 £568.

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 £133. 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 £564. 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 £213 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 £182 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 July 2025, prices for London Heathrow Airport to Helsinki flights are approximately 2% cheaper 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

£68

Fastest flight time

2h 50m

Direct flights

Every day

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from London Heathrow Airport in the past 72 hours is £68. The best return flight deal from London Heathrow Airport to Helsinki found on momondo in the last 72 hours is £114.
The fastest flight from London Heathrow Airport to Helsinki takes 2h 50m
Direct flights go from London Heathrow Airport to Helsinki every day.
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 4h 20m.

  • 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 £48Free CancellationRating
6.8
5,152 reviews
Search Ryanair flights
NorwegianPriceFrom £79Free CancellationRating
7.8
234 reviews
Search Norwegian flights
Scandinavian AirlinesPriceFrom £125Free CancellationRating
7.3
1,453 reviews
Search Scandinavian Airlines flights
KLMPriceFrom £137Free CancellationRating
7.8
1,383 reviews
Search KLM flights
LufthansaPriceFrom £138Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights
FinnairPriceFrom £144Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
British AirwaysPriceFrom £152Free CancellationRating
6.6
7,217 reviews
Search British Airways 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 37 flights/week on average for this route. A good Finnair flight deal for London Heathrow Airport to Helsinki starts from £192 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 7,217 reviews) operates around 37 flights from London Heathrow Airport to Helsinki in any given week. The average British Airways airfare for this route is around £602, 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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