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

Return flights

01 Oct - 02 Oct	Ryanair
24 Oct - 29 Oct	Lufthansa
24 Oct - 28 Oct	Lufthansa
24 Oct - 03 Nov	Lufthansa
30 Oct - 03 Nov	Lufthansa
24 Oct - 31 Oct	Lufthansa
25 Oct - 02 Nov	Lufthansa
30 Oct - 02 Nov	Lufthansa
25 Oct - 30 Oct	Lufthansa
06 Oct - 09 Oct	Ryanair
20 Oct - 24 Oct	Scandinavian Airlines
06 Oct - 08 Oct	Ryanair
06 Oct - 10 Oct	Norwegian Air Sweden AOC
01 Oct - 06 Oct	Ryanair
29 Oct - 03 Nov	airBaltic
30 Oct - 03 Nov	Finnair	direct
30 Oct - 02 Nov	Finnair	direct
24 Oct - 03 Nov	Finnair	direct
25 Oct - 02 Nov	Finnair	direct
31 Oct - 03 Nov	Finnair	direct

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

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 Helsinki to Prague in October from 135€

Return flights