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

Return flights

23 Oct - 30 Oct	easyJet
30 Oct - 08 Nov	easyJet
23 Oct - 29 Oct	easyJet
07 Oct - 13 Oct	easyJet
15 Oct - 16 Nov	Ryanair
01 Oct - 08 Oct	Ryanair
20 Oct - 29 Oct	easyJet
08 Oct - 14 Oct	easyJet
31 Oct - 14 Nov	SKY express
07 Oct - 14 Oct	easyJet
14 Oct - 20 Oct	easyJet
23 Oct - 27 Oct	easyJet
16 Oct - 20 Oct	easyJet
20 Oct - 06 Nov	SKY express
21 Oct - 01 Nov	easyJet
31 Oct - 04 Nov	easyJet
31 Oct - 08 Nov	easyJet
29 Oct - 17 Nov	Vueling Airlines
31 Oct - 17 Nov	SKY express
30 Oct - 17 Nov	Vueling Airlines

Also check the deals for one-way flights from Lisbon to Athens 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 Lisbon to Athens in October from 131€

Return flights