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
22 Oct - 30 Oct	easyJet
14 Oct - 16 Oct	easyJet
08 Oct - 16 Oct	easyJet
20 Oct - 23 Oct	easyJet	direct
31 Oct - 02 Nov	SKY express	direct
31 Oct - 16 Nov	SKY express	direct
31 Oct - 19 Nov	SKY express	direct
31 Oct - 09 Nov	SKY express	direct
31 Oct - 05 Nov	SKY express	direct
31 Oct - 14 Nov	SKY express	direct
31 Oct - 07 Nov	SKY express	direct
04 Oct - 09 Oct	easyJet
08 Oct - 13 Oct	easyJet
08 Oct - 14 Oct	easyJet
14 Oct - 22 Oct	easyJet
26 Oct - 02 Nov	SKY express	direct
31 Oct - 17 Nov	SKY express
30 Oct - 06 Nov	easyJet

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 $129

Return flights