AirHint found the following cheapest return flights from London (LCY) to Helsinki (HEL) in January 2027 (see full year).
Return flights
| 18 Jan - 25 Jan | Lufthansa | ||
| 15 Jan - 17 Jan | KLM | ||
| 21 Jan - 24 Jan | KLM | ||
| 22 Jan - 31 Jan | KLM | ||
| 29 Jan - 31 Jan | KLM | ||
| 03 Jan - 10 Jan | KLM | ||
| 02 Jan - 05 Jan | KLM |
Also check the deals for one-way flights from London to Helsinki in January.
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