AirHint found the following cheapest return flights from Prague (PRG) to Helsinki (HEL) in August 2026 (see full year).

Return flights

01 Aug - 03 Aug	airBaltic
07 Aug - 09 Aug	airBaltic
21 Aug - 23 Aug	airBaltic
17 Aug - 23 Aug	Norwegian Air Sweden AOC
19 Aug - 23 Aug	Norwegian Air Sweden AOC
21 Aug - 23 Aug	Finnair	direct
18 Aug - 22 Aug	Finnair	direct
01 Aug - 03 Aug	Finnair	direct
07 Aug - 09 Aug	Finnair	direct

Also check the deals for one-way 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 return flights from Prague to Helsinki in August from 149€

Return flights