AirHint found the following cheapest return flights from Porto (OPO) to Athens (ATH) in July 2026 (see full year).

Return flights

03 Jul - 07 Jul	Aegean Airlines	direct
17 Jul - 21 Jul	Aegean Airlines	direct
29 Jul - 06 Aug	Aegean Airlines	direct
12 Jul - 28 Jul	Aegean Airlines	direct
12 Jul - 21 Jul	Aegean Airlines	direct
26 Jul - 04 Aug	Aegean Airlines	direct
01 Jul - 07 Jul	Aegean Airlines	direct
03 Jul - 09 Jul	Aegean Airlines
15 Jul - 31 Jul	SWISS
03 Jul - 11 Jul	easyJet
10 Jul - 19 Jul	easyJet
16 Jul - 20 Jul	SWISS
29 Jul - 07 Aug	SWISS
29 Jul - 08 Aug	easyJet

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

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 July from 131€

Return flights