AirHint found the following cheapest return flights from Prague (PRG) to Helsinki (HEL) in July 2025 (see full year).

Return flights

29 Jul - 31 Jul	Finnair	direct
31 Jul - 04 Aug	Ryanair
28 Jul - 03 Aug	Lufthansa
30 Jul - 05 Aug	Finnair	direct
31 Jul - 10 Aug	Ryanair
31 Jul - 05 Aug	Ryanair
31 Jul - 06 Aug	Ryanair
28 Jul - 02 Aug	Lufthansa
30 Jul - 03 Aug	Finnair	direct
29 Jul - 05 Aug	Finnair	direct
29 Jul - 04 Aug	Finnair
27 Jul - 31 Jul	Lufthansa
28 Jul - 29 Jul	Lufthansa
28 Jul - 29 Jul	Finnair	direct
27 Jul - 31 Jul	Finnair	direct
27 Jul - 30 Jul	Finnair	direct

Also check the deals for one-way flights from Prague to Helsinki in July.

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 July from $379

Return flights