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

Return flights

29 Jul - 04 Aug	Aegean Airlines
08 Jul - 10 Jul	Volotea
28 Jul - 04 Aug	Volotea
24 Jul - 29 Jul	easyJet
31 Jul - 04 Aug	Wizz Air
09 Jul - 19 Jul	Ryanair
17 Jul - 19 Jul	Air Serbia
30 Jul - 13 Aug	Wizz Air
31 Jul - 12 Aug	Wizz Air
16 Jul - 19 Jul	Wizz Air
30 Jul - 05 Aug	Wizz Air
16 Jul - 20 Jul	Wizz Air
23 Jul - 29 Jul	Ryanair
24 Jul - 27 Jul	easyJet
14 Jul - 16 Jul	Ryanair
10 Jul - 16 Jul	Wizz Air
26 Jul - 04 Aug	Ryanair
15 Jul - 26 Aug	Ryanair
31 Jul - 06 Aug	Wizz Air
31 Jul - 05 Aug	Ryanair

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 257€

Return flights