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

Return flights

31 Aug - 07 Sep	Ryanair
28 Aug - 02 Sep	Ryanair
30 Aug - 03 Sep	Ryanair
30 Aug - 07 Sep	Ryanair
28 Aug - 01 Sep	Ryanair
27 Aug - 30 Aug	Ryanair
25 Aug - 05 Sep	Ryanair
20 Aug - 27 Aug	Ryanair
14 Aug - 18 Aug	Ryanair
24 Aug - 05 Sep	Ryanair
21 Aug - 25 Aug	Ryanair
06 Aug - 12 Aug	Ryanair
08 Aug - 12 Aug	Ryanair
07 Aug - 12 Aug	Ryanair
14 Aug - 21 Aug	Ryanair
27 Aug - 31 Aug	Ryanair
21 Aug - 24 Aug	Ryanair

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

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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Cheapest return flights from Hahn to Helsinki in August from $227

Return flights