AirHint found the following cheapest return flights from Zagreb (ZAG) to Lisbon (LIS) in October 2025 (see full year).

Return flights

01 Oct - 08 Oct	Ryanair
01 Oct - 09 Oct	Ryanair
11 Oct - 15 Oct	Ryanair
01 Oct - 15 Oct	Ryanair
30 Oct - 07 Nov	Ryanair
13 Oct - 15 Oct	Ryanair
01 Oct - 06 Oct	Ryanair
03 Oct - 08 Oct	Ryanair
04 Oct - 11 Oct	Ryanair
04 Oct - 07 Oct	Ryanair
25 Oct - 31 Oct	Ryanair
29 Oct - 02 Nov	Ryanair
30 Oct - 02 Nov	Ryanair
27 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Zagreb to Lisbon 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 Zagreb to Lisbon in October from $160

Return flights