Cheapest return flights from Basel to Helsinki in August from 225€

Best time to book flights for Basel (BSL) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Basel (BSL) to Helsinki (HEL) in August 2025 (see full year).

Return flights

23 Aug - 04 Sep KLM
25 Aug - 29 Aug KLM

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

Skyscanner

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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