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

Return flights

16 Oct - 20 Oct	Wizz Air Malta
20 Oct - 28 Oct	SKY express
30 Oct - 13 Nov	easyJet
28 Oct - 02 Nov	SKY express
30 Oct - 06 Nov	easyJet
08 Oct - 13 Oct	easyJet
15 Oct - 16 Nov	Ryanair
23 Oct - 29 Oct	easyJet
24 Oct - 02 Nov	Ryanair
07 Oct - 13 Oct	easyJet
21 Oct - 29 Oct	easyJet
14 Oct - 20 Oct	easyJet
31 Oct - 04 Nov	easyJet
23 Oct - 27 Oct	easyJet
31 Oct - 13 Nov	easyJet
15 Oct - 20 Oct	easyJet
31 Oct - 08 Nov	easyJet
14 Oct - 30 Oct	Wizz Air Malta
30 Oct - 12 Nov	easyJet
31 Oct - 03 Nov	easyJet

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 $154

Return flights