Our cheapest offers for flights from London to Helsinki

Here you can compare cheap flights from London (LON) 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	Baggage	Price
London Helsinki	Outbound 09/10/25 1 Stopover (ARN) SK1530, SK0710 08h 15min	Return 14/10/25 1 Stopover (ARN) SK0705, SK0527 08h 40min	SAS Scandinavian Airlines		£143
Best option London Helsinki	Outbound 16/07/25 direct AY1332 02h 55min	Return 09/08/25 direct AY1341 03h 05min	Finnair		£173
London Helsinki	Outbound 22/06/25 1 Stopover (ARN) SK0528, SK0728 04h 20min	Return 05/07/25 1 Stopover (ARN) SK0705, SK0527 07h 35min	SAS Scandinavian Airlines		£232
London Helsinki	Outbound 09/10/25 1 Stopover (ARN) SK1530, SK0710 08h 15min	Return 14/10/25 1 Stopover (ARN) SK0705, SK0527 08h 40min	SAS Scandinavian Airlines		£147
London Helsinki	Outbound 09/10/25 1 Stopover (ARN) SK1530, SK0710 08h 15min	Return 14/10/25 1 Stopover (ARN) SK0705, SK0527 08h 40min	SAS Scandinavian Airlines		£148
London Helsinki	Outbound 09/10/25 1 Stopover (ARN) SK1530, SK0710 08h 15min	Return 14/10/25 1 Stopover (ARN) SK0711, SK1527 05h 45min	SAS Scandinavian Airlines	?	£155
London Helsinki	Outbound 03/09/25 1 Stopover (RIX) BT0654, BT0325 04h 55min	Return 15/09/25 1 Stopover (RIX) BT0304, BT0651 18h 45min	Air Baltic	?	£166
London Helsinki	Outbound 16/07/25 direct AY1332 02h 55min	Return 09/08/25 direct AY1341 03h 05min	Finnair		£174
London Helsinki	Outbound 17/06/25 1 Stopover (ARN) SK0526, SK0722 08h 30min	Return 01/07/25 direct AY1339 03h 10min	SAS Scandinavian Airlines		£175
London Helsinki	Outbound 16/07/25 direct AY1332 02h 55min	Return 09/08/25 direct AY1341 03h 05min	Finnair		£176

Tips and tricks to help you find cheap flights from London to Helsinki

Important flight information

Flight information: London - Helsinki

Outbound and return from	142,88 £
Flight duration	min. 02:50 / max. 03:05
Return flight duration	min. 03:10/ max. 03:25
Distance	1833 km
Flights per week	71
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Helsinki-Vantaa (HEL)
Destination country	Flights to Finland

Alternative flights to Helsinki

Flight London Heathrow - Helsinki from 143 £
Flight London Gatwick - Helsinki from 166 £

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