AirHint found the following cheapest one-way flights from Prague (PRG) to Helsinki (HEL) in August 2025 (see full year).

One-Way flights

29 Aug	Scandinavian Airlines
24 Aug	airBaltic
09 Aug	airBaltic
30 Aug	airBaltic
26 Aug	Norwegian Air Sweden AOC
25 Aug	Ryanair
20 Aug	Scandinavian Airlines
28 Aug	Finnair	direct
12 Aug	Norwegian Air Sweden AOC
23 Aug	Finnair	direct

Also check the deals for return flights from Prague 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 one-way flights from Prague to Helsinki in August from $90

One-Way flights