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

Return flights

10 Jun - 18 Jun	Aegean Airlines
17 Jun - 24 Jun	easyJet
17 Jun - 23 Jun	Transavia France
12 Jun - 16 Jun	KLM
13 Jun - 18 Jun	Transavia France
12 Jun - 15 Jun	KLM
27 Jun - 04 Jul	Ryanair
11 Jun - 18 Jun	Volotea
27 Jun - 01 Jul	Ryanair
14 Jun - 17 Jun	KLM
26 Jun - 30 Jun	easyJet
12 Jun - 14 Jun	KLM
26 Jun - 10 Jul	easyJet
24 Jun - 01 Jul	Wizz Air Malta
26 Jun - 03 Jul	easyJet
28 Jun - 03 Jul	Ryanair
28 Jun - 10 Jul	Ryanair
30 Jun - 01 Jul	Vueling Airlines
30 Jun - 10 Jul	Wizz Air Malta
12 Jun - 10 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.

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Cheapest return flights from Porto to Athens in June from 202€

Return flights