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

Return flights

21 May - 26 May	easyJet
19 May - 26 May	easyJet
13 May - 17 May	SKY express	direct
12 May - 16 May	easyJet
05 May - 12 May	easyJet
06 May - 12 May	easyJet
06 May - 24 May	SKY express	direct
06 May - 17 May	SKY express	direct
06 May - 18 May	SKY express
17 May - 24 May	Ryanair
13 May - 01 Jun	SKY express
27 May - 16 Jun	SKY express
22 May - 06 Jun	SKY express
27 May - 14 Jun	SKY express	direct
27 May - 06 Jun	SKY express
17 May - 06 Jun	SKY express
22 May - 01 Jun	SKY express
27 May - 01 Jun	SKY express
17 May - 01 Jun	SKY express
22 May - 09 Jun	SKY express

Also check the deals for one-way flights from Athens to Lisbon 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 Athens to Lisbon in May from 132€

Return flights