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

One-Way flights

25 Aug	Ryanair	direct
18 Aug	Ryanair	direct
15 Aug	Norwegian Air Sweden AOC
14 Aug	Norwegian Air Sweden AOC
01 Aug	Ryanair	direct
15 Aug	Ryanair	direct
08 Aug	Ryanair	direct
04 Aug	Norwegian Air Sweden AOC
22 Aug	Ryanair	direct
21 Aug	Norwegian Air Sweden AOC

Also check the deals for return flights from Helsinki to Warsaw 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 Helsinki to Warsaw in August from 54€

One-Way flights