AirHint found the following cheapest return flights from London (LCY) to Helsinki (HEL) in October 2026 (see full year).
Return flights
| 12 Oct - 19 Oct | KLM | ||
| 24 Oct - 28 Oct | KLM | ||
| 01 Oct - 11 Oct | KLM | ||
| 28 Oct - 31 Oct | KLM | ||
| 05 Oct - 30 Oct | KLM | ||
| 18 Oct - 26 Oct | KLM | ||
| 19 Oct - 23 Oct | KLM | ||
| 26 Oct - 30 Oct | KLM | ||
| 17 Oct - 31 Oct | KLM | ||
| 26 Oct - 31 Oct | KLM |
Also check the deals for one-way flights from London to Helsinki in October.
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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.
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