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

Return flights

31 Oct - 04 Nov	KLM
31 Oct - 08 Nov	Scandinavian Airlines
30 Oct - 07 Nov	Scandinavian Airlines
30 Oct - 04 Nov	KLM
30 Oct - 01 Nov	KLM
31 Oct - 03 Nov	KLM
28 Oct - 29 Nov	KLM
28 Oct - 01 Nov	KLM
29 Oct - 01 Nov	KLM
31 Oct - 02 Nov	KLM
28 Oct - 31 Oct	KLM
29 Oct - 30 Oct	airBaltic
27 Oct - 29 Oct	Ryanair
28 Oct - 30 Oct	Scandinavian Airlines
23 Oct - 24 Oct	Ryanair
22 Oct - 26 Oct	Ryanair
27 Oct - 31 Oct	KLM
22 Oct - 24 Oct	Finnair
23 Oct - 26 Oct	Ryanair
23 Oct - 30 Oct	airBaltic

Also check the deals for one-way flights from Prague to Helsinki 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 Prague to Helsinki in October from 180€

Return flights