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) SK0532, SK0722 04h 30min	Return 14/10/25 1 Stopover (ARN) SK0701, SK0531 07h 45min	SAS Scandinavian Airlines		£132
Best option London Helsinki	Outbound 09/10/25 direct AY1342 02h 50min	Return 14/10/25 direct AY1331 03h 10min	Finnair		£211
London Helsinki	Outbound 09/10/25 1 Stopover (ARN) SK0532, SK0722 04h 30min	Return 14/10/25 1 Stopover (ARN) SK0705, SK0531 04h 35min	SAS Scandinavian Airlines	?	£137
London Helsinki	Outbound 08/12/25 1 Stopover (RIX) BT0652, BT0307 09h 15min	Return 24/12/25 1 Stopover (RIX) BT0308, BT0651 13h 20min	Air Baltic	?	£141
London Helsinki	Outbound 09/10/25 1 Stopover (ARN) SK0526, SK0710 05h 00min	Return 14/10/25 1 Stopover (ARN) SK0705, SK0527 08h 40min	SAS Scandinavian Airlines		£142
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
London Helsinki	Outbound 08/12/25 1 Stopover (RIX) BT0652, BT0301 20h 35min	Return 24/12/25 1 Stopover (RIX) BT0308, BT0651 13h 20min	Air Baltic		£146
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 08/12/25 1 Stopover (RIX) BT0652, BT0301 20h 35min	Return 24/12/25 1 Stopover (RIX) BT0308, BT0651 13h 20min	Air Baltic		£148

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

Important flight information

Flight information: London - Helsinki

Outbound and return from	£131.60
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 £132
Flight London Gatwick - Helsinki from £141

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Flight London - Zagreb from £132
Flight London - Rabat from £135
Flight London - Santorini from £131
Flight London - Venice-Treviso from £140