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

Return flights

23 Oct - 27 Oct	Lufthansa
19 Oct - 23 Oct	Lufthansa
29 Oct - 01 Nov	Lufthansa
17 Oct - 20 Oct	airBaltic
06 Oct - 12 Oct	airBaltic
03 Oct - 05 Oct	airBaltic
02 Oct - 09 Oct	airBaltic
02 Oct - 10 Oct	airBaltic
13 Oct - 20 Oct	airBaltic
02 Oct - 06 Oct	airBaltic
09 Oct - 12 Oct	airBaltic
30 Oct - 03 Nov	airBaltic

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 145€

Return flights