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

Return flights

07 Oct - 14 Oct	easyJet
24 Oct - 29 Oct	Wizz Air Malta
07 Oct - 13 Oct	easyJet
08 Oct - 22 Oct	easyJet
08 Oct - 09 Oct	easyJet
07 Oct - 08 Oct	easyJet
01 Oct - 08 Oct	easyJet
07 Oct - 15 Oct	easyJet
16 Oct - 23 Oct	easyJet
20 Oct - 23 Oct	Wizz Air Malta
29 Oct - 03 Nov	Wizz Air Malta
29 Oct - 17 Nov	Vueling Airlines
24 Oct - 03 Nov	Ryanair
30 Oct - 03 Nov	Wizz Air Malta
27 Oct - 02 Nov	easyJet
30 Oct - 17 Nov	Vueling Airlines
31 Oct - 03 Nov	Ryanair
31 Oct - 17 Nov	Vueling Airlines
29 Oct - 04 Nov	easyJet
21 Oct - 04 Nov	easyJet

Also check the deals for one-way flights from Porto 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 Porto to Athens in October from 133€

Return flights