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

Return flights

30 Jun - 08 Jul	Ryanair
30 Jun - 07 Jul	Ryanair
30 Jun - 10 Jul	Ryanair
30 Jun - 03 Jul	Ryanair
30 Jun - 05 Jul	Ryanair
30 Jun - 09 Jul	Vueling Airlines
30 Jun - 11 Jul	Vueling Airlines
30 Jun - 15 Jul	Vueling Airlines
30 Jun - 16 Jul	Vueling Airlines
30 Jun - 04 Jul	Vueling Airlines

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

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

Cheapest return flights from Porto to Athens in June from 314€

Return flights