AirHint found the following cheapest return flights from Basel (BSL) to Helsinki (HEL) in January 2026 (see full year).
Return flights
| 14 Jan - 21 Jan | Air France | ||
| 09 Jan - 15 Jan | KLM | ||
| 17 Jan - 22 Jan | KLM | ||
| 24 Jan - 29 Jan | KLM | ||
| 08 Jan - 15 Jan | KLM | ||
| 08 Jan - 16 Jan | Lufthansa |
Also check the deals for one-way flights from Basel to Helsinki in January.
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