AirHint found the following cheapest return flights from Lisbon (LIS) to Athens (ATH) in May 2026 (see full year).

Return flights

07 May - 12 May	easyJet
19 May - 26 May	Wizz Air Malta
10 May - 14 May	Wizz Air Malta
22 May - 25 May	Wizz Air Malta
13 May - 17 May	Wizz Air Malta
12 May - 16 May	easyJet
20 May - 27 May	Ryanair
18 May - 26 May	Wizz Air Malta
06 May - 13 May	Vueling Airlines
26 May - 06 Jun	TAP
14 May - 28 May	Air Serbia
20 May - 01 Jun	Ryanair
28 May - 04 Jun	Vueling Airlines
28 May - 06 Jun	Vueling Airlines
23 May - 01 Jun	Wizz Air Malta
30 May - 09 Jun	TAP
30 May - 01 Jun	TAP
26 May - 04 Jun	Vueling Airlines
20 May - 04 Jun	Vueling Airlines
30 May - 04 Jun	TAP

Also check the deals for one-way flights from Lisbon to Athens in May.

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 Lisbon to Athens in May from $178

Return flights