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
14 Oct - 23 Oct	easyJet
16 Oct - 23 Oct	easyJet	direct
06 Oct - 09 Oct	easyJet
06 Oct - 14 Oct	easyJet
21 Oct - 29 Oct	easyJet
30 Oct - 05 Nov	easyJet
06 Oct - 13 Oct	easyJet
17 Oct - 23 Oct	Ryanair
06 Oct - 11 Oct	easyJet
07 Oct - 09 Oct	easyJet
30 Oct - 03 Nov	easyJet
08 Oct - 05 Nov	easyJet
29 Oct - 02 Nov	Aegean Airlines
29 Oct - 05 Nov	Aegean Airlines
27 Oct - 02 Nov	easyJet
28 Oct - 02 Nov	Aegean Airlines
30 Oct - 04 Nov	Ryanair
30 Oct - 07 Nov	Vueling Airlines
15 Oct - 04 Nov	Vueling Airlines

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 113€

Return flights