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

Return flights

24 Oct - 27 Oct	Lufthansa
02 Oct - 06 Oct	airBaltic
23 Oct - 26 Oct	airBaltic
02 Oct - 05 Oct	airBaltic
24 Oct - 26 Oct	airBaltic
03 Oct - 06 Oct	airBaltic
17 Oct - 20 Oct	airBaltic
05 Oct - 11 Oct	airBaltic
31 Oct - 03 Nov	airBaltic
24 Oct - 03 Nov	airBaltic
30 Oct - 02 Nov	airBaltic
31 Oct - 02 Nov	airBaltic
06 Oct - 15 Oct	airBaltic
09 Oct - 13 Oct	airBaltic
31 Oct - 03 Nov	Finnair	direct
24 Oct - 03 Nov	Finnair	direct
31 Oct - 02 Nov	Finnair	direct
30 Oct - 02 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 $170

Return flights