Cheapest return flights from Porto to Athens in September from 164€

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

16 Sep - 27 Sep Ryanair
23 Sep - 25 Sep Ryanair
20 Sep - 21 Sep easyJet
11 Sep - 21 Sep easyJet
21 Sep - 27 Sep Ryanair
30 Sep - 09 Oct Vueling Airlines
30 Sep - 14 Oct Vueling Airlines
30 Sep - 07 Oct easyJet
20 Sep - 25 Sep Ryanair
21 Sep - 28 Sep easyJet
18 Sep - 27 Sep easyJet
23 Sep - 24 Sep Ryanair
10 Sep - 15 Sep easyJet
29 Sep - 04 Oct easyJet
30 Sep - 21 Oct Vueling Airlines
30 Sep - 15 Oct Vueling Airlines
29 Sep - 09 Oct Vueling Airlines
29 Sep - 14 Oct Vueling Airlines
28 Sep - 02 Oct easyJet
27 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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