AirHint found the following cheapest return flights from Athens (ATH) to Lisbon (LIS) in July 2025 (see full year).

Return flights

22 Jul - 29 Jul	Aegean Airlines
16 Jul - 21 Jul	Wizz Air Malta
16 Jul - 05 Aug	Wizz Air Malta
29 Jul - 05 Aug	Vueling Airlines
23 Jul - 27 Jul	KLM
03 Jul - 09 Jul	Wizz Air
02 Jul - 09 Jul	Wizz Air Malta
07 Jul - 09 Jul	easyJet
08 Jul - 17 Jul	Volotea
03 Jul - 10 Jul	Wizz Air
17 Jul - 21 Jul	easyJet
10 Jul - 16 Jul	Ryanair
29 Jul - 21 Aug	easyJet
16 Jul - 06 Aug	Wizz Air Malta
31 Jul - 11 Aug	Wizz Air
31 Jul - 07 Aug	Wizz Air
10 Jul - 14 Aug	easyJet
31 Jul - 06 Aug	Wizz Air
28 Jul - 07 Aug	Volotea
28 Jul - 04 Aug	easyJet

Also check the deals for one-way flights from Athens to Lisbon 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 Athens to Lisbon in July from $261

Return flights