Cheapest return flights from Porto to Athens in September from $139

AirHint found the following cheapest return flights from Porto (OPO) to Athens (ATH) in September 2026 (see full year).

Return flights

25 Sep - 28 Sep TAP
23 Sep - 26 Sep Ryanair
24 Sep - 27 Sep Ryanair
30 Sep - 07 Oct Ryanair
23 Sep - 30 Sep Vueling Airlines
16 Sep - 24 Sep Vueling Airlines
14 Sep - 19 Sep Air Europa
16 Sep - 19 Sep Air Europa
20 Sep - 29 Sep Ryanair
27 Sep - 08 Oct Ryanair
27 Sep - 06 Oct Ryanair
24 Sep - 01 Oct easyJet
07 Sep - 16 Sep easyJet
28 Sep - 03 Oct easyJet
19 Sep - 28 Sep Air Europa
28 Sep - 01 Oct Vueling Airlines
23 Sep - 03 Oct easyJet
15 Sep - 03 Oct Vueling Airlines
15 Sep - 01 Oct Vueling Airlines
16 Sep - 03 Oct Vueling Airlines

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

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