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

Return flights

18 Nov - 23 Nov	easyJet
19 Nov - 23 Nov	easyJet
13 Nov - 20 Nov	Ryanair
01 Nov - 07 Nov	Ryanair
01 Nov - 06 Nov	easyJet
26 Nov - 28 Nov	easyJet
25 Nov - 29 Nov	Aegean Airlines
26 Nov - 01 Dec	easyJet
23 Nov - 28 Nov	easyJet
18 Nov - 22 Nov	easyJet
15 Nov - 22 Nov	Ryanair
27 Nov - 01 Dec	easyJet
28 Nov - 10 Dec	easyJet
28 Nov - 02 Dec	easyJet
29 Nov - 06 Dec	Aegean Airlines	direct
29 Nov - 03 Dec	Ryanair
12 Nov - 03 Dec	Vueling Airlines
28 Nov - 15 Dec	Ryanair
14 Nov - 03 Dec	Vueling Airlines
28 Nov - 01 Dec	TAP

Also check the deals for one-way flights from Porto to Athens in November.

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 November from 109€

Return flights