Cheapest return flights from Helsinki to Basel in April from $246

AirHint found the following cheapest return flights from Helsinki (HEL) to Basel (BSL) in April 2026 (see full year).

Return flights

04 Apr - 10 Apr KLM
01 Apr - 07 Apr Pegasus Airlines
01 Apr - 06 Apr Scandinavian Airlines
03 Apr - 07 Apr Lufthansa
03 Apr - 06 Apr Finnair
02 Apr - 06 Apr Finnair
01 Apr - 03 Apr KLM
30 Apr - 03 May airBaltic
02 Apr - 03 Apr KLM
02 Apr - 02 Apr KLM

Also check the deals for one-way flights from Helsinki to Basel in April.

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