Cheapest return flights from Porto to Athens in September from $176

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

24 Sep - 29 Sep easyJet
20 Sep - 29 Sep easyJet
18 Sep - 25 Sep Air Serbia
29 Sep - 04 Oct easyJet
21 Sep - 29 Sep easyJet
28 Sep - 06 Oct easyJet
11 Sep - 25 Sep Ryanair
18 Sep - 04 Oct easyJet
28 Sep - 02 Oct easyJet
21 Sep - 25 Sep Ryanair
30 Sep - 09 Oct Vueling Airlines
30 Sep - 14 Oct Vueling Airlines
03 Sep - 08 Sep easyJet
20 Sep - 28 Sep easyJet
30 Sep - 21 Oct Vueling Airlines
10 Sep - 17 Sep easyJet
09 Sep - 16 Sep easyJet
27 Sep - 09 Oct Vueling Airlines
30 Sep - 18 Oct Vueling Airlines
25 Sep - 09 Oct Vueling Airlines

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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