Flights from London Heathrow to Helsinki

Our cheapest offers for flights from London Heathrow to Helsinki

Here you can compare cheap flights from London Heathrow (LHR) to Helsinki (HEL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Helsinki. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Helsinki
Outbound
20/03/26
1 Stopover (ARN)
SK0534, SK0702
11h 25min
Return
17/04/26
1 Stopover (ARN)
SK0705, SK0527
07h 55min
SAS Scandinavian Airlines
£134
Best option
London Heathrow
Helsinki
Outbound
20/03/26
direct
AY1338
02h 50min
Return
17/04/26
direct
AY1339
03h 10min
Finnair
£252
London Heathrow
Helsinki
Outbound
20/03/26
1 Stopover (ARN)
SK0534, SK0702
11h 25min
Return
17/04/26
1 Stopover (ARN)
SK0705, SK0527
07h 55min
SAS Scandinavian Airlines
£135
London Heathrow
Helsinki
Outbound
20/03/26
1 Stopover (ARN)
SK1530, SK0716
06h 45min
Return
17/04/26
1 Stopover (ARN)
SK0705, SK0527
07h 55min
SAS Scandinavian Airlines ?
£136
London Heathrow
Helsinki
Outbound
20/03/26
1 Stopover (ARN)
SK0534, SK0702
11h 25min
Return
17/04/26
1 Stopover (ARN)
SK0705, SK0527
07h 55min
SAS Scandinavian Airlines
£147
London Heathrow
Helsinki
Outbound
20/03/26
1 Stopover (ARN)
SK0528, SK0702
14h 25min
Return
17/04/26
1 Stopover (ARN)
SK0705, SK0527
07h 55min
SAS Scandinavian Airlines ?
£193
London Heathrow
Helsinki
Outbound
20/03/26
1 Stopover (ARN)
SK0534, SK0702
11h 25min
Return
17/04/26
1 Stopover (ARN)
SK0705, SK0527
07h 55min
SAS Scandinavian Airlines ?
£199
London Heathrow
Helsinki
Outbound
22/12/25
1 Stopover (CPH)
SK1508, SK1706
13h 10min
Return
10/01/26
1 Stopover (ARN)
SK0711, SK0525
16h 25min
SAS Scandinavian Airlines
£205
London Heathrow
Helsinki
Outbound
22/12/25
1 Stopover (CPH)
SK1508, SK1706
13h 10min
Return
10/01/26
1 Stopover (ARN)
SK0711, SK0525
16h 25min
SAS Scandinavian Airlines ?
£216
London Heathrow
Helsinki
Outbound
22/12/25
1 Stopover (CPH)
SK1508, SK1706
13h 10min
Return
10/01/26
1 Stopover (ARN)
SK0711, SK0525
16h 25min
SAS Scandinavian Airlines ?
£268
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Helsinki

Favourite airline: SAS
90 % of bookings on this flight route are made with SAS, Finnair and KLM.
SAS
52 %
Finnair
33 %
KLM
5 %
Stopover flights are the cheapest connection
Flights with a stopover are on average £84.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
02h 55min
14h 45min
07h 40min
£222
£138
£425
Favourite connection: via Stockholm
55 % of tickets booked on this route are for flights via Stockholm.
Route
bookings
1 stopover Stockholm-Arlanda
14h 45min, from £138
55 %
Direct flights
02h 55min, from £222
40 %
1 stopover Amsterdam Schiphol
05h 00min, from £220
5 %

Important flight information

Flight information: London Heathrow - Helsinki

Outbound and return from £133.99
Flight duration min. 02:50 / max. 03:05
Return flight duration min. 03:10/ max. 03:25
Distance 1849 km
Flights per week 55
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Helsinki-Vantaa (HEL)
Destination country Flights to Finland
Alternative flights to Helsinki
Flight destinations with a similar price