AirHint found the following cheapest return flights from London (LON) to Helsinki (HEL)
in October 2025 (see full year ).
Return flights
01 Oct
- 04 Oct
Ryanair
79 €
direct
09 Oct
- 26 Oct
Ryanair
84 €
direct
09 Oct
- 29 Oct
Ryanair
84 €
direct
09 Oct
- 27 Oct
Ryanair
84 €
direct
03 Oct
- 04 Oct
Ryanair
85 €
direct
08 Oct
- 26 Oct
Ryanair
87 €
direct
08 Oct
- 29 Oct
Ryanair
87 €
direct
08 Oct
- 27 Oct
Ryanair
87 €
direct
01 Oct
- 05 Oct
Ryanair
88 €
direct
30 Oct
- 15 Nov
Ryanair
88 €
direct
30 Oct
- 14 Nov
Ryanair
88 €
direct
30 Oct
- 08 Nov
Ryanair
88 €
direct
31 Oct
- 15 Nov
Ryanair
88 €
direct
31 Oct
- 14 Nov
Ryanair
88 €
direct
31 Oct
- 08 Nov
Ryanair
88 €
direct
01 Oct
- 08 Oct
Ryanair
89 €
direct
30 Oct
- 16 Nov
Ryanair
95 €
direct
31 Oct
- 16 Nov
Ryanair
95 €
direct
30 Oct
- 02 Nov
Ryanair
110 €
direct
31 Oct
- 02 Nov
Ryanair
110 €
direct
Also check the deals for one-way flights from London to Helsinki in October .
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.