AirHint found the following cheapest return flights from London (LON) to Helsinki (HEL)
in December 2025 (see full year ).
Return flights
01 Dec
- 11 Dec
Ryanair
93 €
direct
01 Dec
- 09 Dec
Ryanair
93 €
direct
01 Dec
- 08 Dec
Ryanair
93 €
direct
01 Dec
- 10 Dec
Ryanair
98 €
direct
01 Dec
- 19 Dec
Ryanair
98 €
direct
04 Dec
- 11 Dec
Ryanair
102 €
direct
04 Dec
- 09 Dec
Ryanair
102 €
direct
04 Dec
- 08 Dec
Ryanair
102 €
direct
01 Dec
- 07 Dec
Ryanair
106 €
direct
09 Dec
- 11 Dec
Ryanair
107 €
direct
26 Dec
- 05 Jan
Ryanair
177 €
direct
30 Dec
- 05 Jan
Ryanair
177 €
direct
29 Dec
- 05 Jan
Ryanair
190 €
direct
27 Dec
- 05 Jan
Ryanair
190 €
direct
29 Dec
- 01 Jan
airBaltic
205 €
24 Dec
- 05 Jan
Ryanair
205 €
direct
20 Dec
- 05 Jan
Ryanair
205 €
direct
29 Dec
- 03 Jan
airBaltic
217 €
30 Dec
- 03 Jan
Lufthansa
232 €
26 Dec
- 04 Jan
Ryanair
237 €
direct
Also check the deals for one-way flights from London to Helsinki in December .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.