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

Return flights

20 Oct - 23 Oct	easyJet
07 Oct - 13 Oct	easyJet
20 Oct - 30 Oct	easyJet
20 Oct - 29 Oct	easyJet
07 Oct - 09 Oct	easyJet
14 Oct - 30 Oct	easyJet
06 Oct - 09 Oct	easyJet
06 Oct - 14 Oct	easyJet
06 Oct - 08 Oct	easyJet
20 Oct - 23 Oct	easyJet	direct
27 Oct - 02 Nov	easyJet
29 Oct - 07 Nov	Volotea
29 Oct - 05 Nov	Volotea	direct
29 Oct - 12 Nov	Volotea
29 Oct - 17 Nov	Volotea
29 Oct - 01 Nov	Volotea
29 Oct - 03 Nov	Aegean Airlines
29 Oct - 02 Nov	SKY express
29 Oct - 08 Nov	Volotea
29 Oct - 15 Nov	Volotea

Also check the deals for one-way flights from Athens 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 Athens to Lisbon in October from 116€

Return flights