Cheapest one-way flights from Porto to Athens in September from 67€

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

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

One-Way flights

30 Sep easyJet
14 Sep easyJet
25 Sep easyJet
28 Sep easyJet
11 Sep easyJet
29 Sep Vueling Airlines
19 Sep Ryanair
10 Sep easyJet
26 Sep Ryanair
21 Sep easyJet

Also check the deals for return 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.

Book a cheap hotel in Athens

Cheap car rent in Athens