Flight Routes from London to Helsinki

Trip type

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 Shop Baggage Price
London
Helsinki
Outbound
17/08/26
1 Stopover (ARN)
SK0534, SK0708
13h 50min
Return
15/09/26
1 Stopover (ARN)
SK0709, SK0533
08h 30min
SAS Scandinavian Airlines
£142
Best option
London
Helsinki
Outbound
25/05/26
direct
AY1340
02h 45min
Return
07/06/26
direct
AY1331
03h 10min
Finnair ?
£240
London
Helsinki
Outbound
17/08/26
1 Stopover (ARN)
SK0534, SK0708
13h 50min
Return
15/09/26
1 Stopover (ARN)
SK0725, SK0525
13h 40min
SAS Scandinavian Airlines
£183
London
Helsinki
Outbound
17/08/26
1 Stopover (ARN)
SK0534, SK0708
13h 50min
Return
15/09/26
1 Stopover (ARN)
SK0709, SK0533
08h 30min
SAS Scandinavian Airlines
£143
London
Helsinki
Outbound
17/08/26
1 Stopover (ARN)
SK0534, SK0708
13h 50min
Return
15/09/26
1 Stopover (ARN)
SK0709, SK0533
08h 30min
SAS Scandinavian Airlines
£144
London
Helsinki
Outbound
25/05/26
1 Stopover (RIX)
BT0652, BT0325
13h 20min
Return
07/06/26
1 Stopover (RIX)
BT0304, BT0651
18h 05min
Air Baltic
£148
London
Helsinki
Outbound
25/05/26
1 Stopover (RIX)
BT0652, BT0301
21h 10min
Return
07/06/26
1 Stopover (RIX)
BT0308, BT0651
12h 55min
Air Baltic ?
£159
London
Helsinki
Outbound
25/05/26
1 Stopover (RIX)
BT0652, BT0325
13h 20min
Return
07/06/26
1 Stopover (RIX)
BT0308, BT0651
12h 55min
Air Baltic
£164
London
Helsinki
Outbound
25/05/26
1 Stopover (RIX)
BT0652, BT0325
13h 20min
Return
07/06/26
1 Stopover (RIX)
BT0304, BT0651
18h 05min
Air Baltic ?
£169
London
Helsinki
Outbound
04/05/26
1 Stopover (CPH)
SK1516, SK1720
04h 50min
Return
22/05/26
1 Stopover (CPH)
SK1707, SK0505
06h 45min
SAS Scandinavian Airlines
£175
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 to Helsinki

Favourite airline: Norwegian Air International
Most travellers looking for flights on the route from London to Helsinki decide to book with Norwegian Air International.
Norwegian Air International
67 %
Air Baltic
16 %
SAS
8 %
Direct flights are cheaper
On this route, direct flights are £ 7.00 cheaper than flights with a stopover.
non stop flight
1 stop
2 stops
02h 50min
25h 20min
19h 30min
112 £
119 £
194 £
Favourite connection: via Stockholm
Stopover flights on this route are especially popular via Stockholm, making up 44 % of bookings.
Route
bookings
1 stopover Stockholm-Arlanda
14h 45min, from 138 £
44 %
Direct flights
02h 50min, from 112 £
32 %
1 stopover Riga International Airport
25h 20min, from 119 £
17 %

Important flight information

Flight information: London - Helsinki

Outbound and return from 141,99 £
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 routes to Finland
Alternative flights to Helsinki
Flight destinations with a similar price