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

Return flights

03 Dec - 09 Dec	easyJet
06 Dec - 09 Dec	easyJet
17 Dec - 11 Jan	easyJet
05 Dec - 17 Dec	SKY express	direct
06 Dec - 10 Dec	easyJet
10 Dec - 16 Dec	easyJet
01 Dec - 04 Dec	Ryanair
15 Dec - 18 Dec	Ryanair
06 Dec - 15 Dec	easyJet
10 Dec - 14 Dec	easyJet
13 Dec - 14 Dec	easyJet
31 Dec - 14 Jan	SKY express	direct
31 Dec - 18 Jan	SKY express	direct
31 Dec - 11 Jan	SKY express	direct
31 Dec - 09 Jan	SKY express	direct
31 Dec - 16 Jan	SKY express	direct
31 Dec - 12 Jan	SKY express
31 Dec - 13 Jan	SKY express
20 Dec - 08 Jan	easyJet
31 Dec - 12 Jan	SKY express	direct

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

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 December from $127

Return flights