AirHint found the following cheapest return flights from Helsinki (HEL) to Basel (BSL) in January 2026 (see full year).
Return flights
| 09 Jan - 13 Jan | KLM | ||
| 19 Jan - 25 Jan | KLM | ||
| 05 Jan - 11 Jan | Air France |
Also check the deals for one-way flights from Helsinki to Basel in January.
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