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

Return flights

14 Oct - 20 Oct	easyJet
16 Oct - 20 Oct	easyJet
09 Oct - 20 Oct	easyJet
09 Oct - 14 Oct	easyJet
07 Oct - 14 Oct	easyJet
14 Oct - 16 Oct	easyJet
14 Oct - 02 Nov	Vueling Airlines
21 Oct - 26 Oct	Ryanair
23 Oct - 27 Oct	easyJet
09 Oct - 16 Oct	easyJet
29 Oct - 02 Nov	Ryanair
22 Oct - 26 Oct	Ryanair
21 Oct - 02 Nov	Vueling Airlines
24 Oct - 02 Nov	Vueling Airlines
16 Oct - 02 Nov	Vueling Airlines
22 Oct - 02 Nov	Vueling Airlines
30 Oct - 14 Nov	Vueling Airlines
24 Oct - 14 Nov	Vueling Airlines
25 Oct - 02 Nov	Vueling Airlines
30 Oct - 07 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 135€

Return flights