Cheapest return flights from Athens to Porto in September from $188

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

Return flights

24 Sep - 27 Sep Air Serbia
15 Sep - 18 Sep easyJet
14 Sep - 17 Sep TAP
03 Sep - 10 Sep easyJet
23 Sep - 26 Sep SWISS
16 Sep - 20 Sep Ryanair
04 Sep - 08 Sep KLM
08 Sep - 13 Sep Transavia France
12 Sep - 16 Sep SKY express
19 Sep - 23 Sep TAP
29 Sep - 20 Oct Volotea
16 Sep - 05 Oct Vueling Airlines
16 Sep - 06 Oct Vueling Airlines
23 Sep - 05 Oct Vueling Airlines
23 Sep - 06 Oct Vueling Airlines
24 Sep - 05 Oct Volotea
24 Sep - 06 Oct Volotea
29 Sep - 05 Oct Volotea
29 Sep - 06 Oct Volotea
15 Sep - 05 Oct Volotea

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

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