Cheapest return flights from Porto to Athens in September from $157

Best time to book flights for Porto (OPO) to Athens (ATH) flights at AirHint

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

Return flights

27 Sep - 01 Oct easyJet
23 Sep - 04 Oct easyJet
23 Sep - 27 Sep easyJet
27 Sep - 04 Oct easyJet
23 Sep - 28 Sep easyJet
17 Sep - 21 Sep easyJet
24 Sep - 27 Sep easyJet
25 Sep - 04 Oct easyJet
11 Sep - 21 Sep easyJet
18 Sep - 21 Sep easyJet
25 Sep - 27 Sep easyJet
25 Sep - 29 Sep easyJet
16 Sep - 27 Sep easyJet
18 Sep - 25 Sep Air Serbia
30 Sep - 18 Oct easyJet
29 Sep - 04 Oct easyJet
30 Sep - 14 Oct Vueling Airlines
30 Sep - 09 Oct Vueling Airlines
27 Sep - 11 Oct Ryanair
25 Sep - 02 Oct easyJet

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

Skyscanner

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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