AirHint found the following cheapest return flights from London (STN) to Helsinki (HEL)
in December 2025 (see full year ).
Return flights
02 Dec
- 15 Dec
Ryanair
$ 100
direct
02 Dec
- 09 Dec
Ryanair
$ 100
direct
01 Dec
- 15 Dec
Ryanair
$ 100
direct
01 Dec
- 09 Dec
Ryanair
$ 100
direct
02 Dec
- 08 Dec
Ryanair
$ 104
direct
01 Dec
- 08 Dec
Ryanair
$ 104
direct
02 Dec
- 05 Dec
Ryanair
$ 121
direct
01 Dec
- 05 Dec
Ryanair
$ 121
direct
09 Dec
- 15 Dec
Ryanair
$ 123
direct
02 Dec
- 19 Dec
Ryanair
$ 124
direct
26 Dec
- 10 Jan
Ryanair
$ 186
direct
26 Dec
- 07 Jan
Ryanair
$ 186
direct
26 Dec
- 15 Jan
Ryanair
$ 186
direct
26 Dec
- 11 Jan
Ryanair
$ 186
direct
26 Dec
- 13 Jan
Ryanair
$ 189
direct
26 Dec
- 09 Jan
Ryanair
$ 194
direct
29 Dec
- 19 Jan
Ryanair
$ 196
29 Dec
- 10 Jan
Ryanair
$ 200
direct
29 Dec
- 19 Jan
Ryanair
$ 200
direct
29 Dec
- 07 Jan
Ryanair
$ 200
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.