AirHint found the following cheapest return flights from London (LCY) to Helsinki (HEL) in August 2026 (see full year).
Return flights
| 27 Aug - 31 Aug | KLM | ||
| 21 Aug - 24 Aug | KLM | ||
| 20 Aug - 23 Aug | KLM | ||
| 29 Aug - 06 Sep | KLM | ||
| 03 Aug - 10 Aug | KLM | ||
| 06 Aug - 09 Aug | KLM |
Also check the deals for one-way flights from London to Helsinki in August.
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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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