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

Return flights

15 Dec - 17 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
13 Dec - 16 Dec	easyJet
13 Dec - 17 Dec	Ryanair
01 Dec - 10 Dec	Ryanair
04 Dec - 10 Dec	Ryanair
06 Dec - 09 Dec	easyJet
03 Dec - 09 Dec	easyJet
10 Dec - 14 Dec	easyJet
06 Dec - 13 Dec	easyJet
16 Dec - 23 Jan	Ryanair
31 Dec - 12 Jan	SKY express
22 Dec - 15 Jan	Ryanair
31 Dec - 18 Jan	SKY express	direct
31 Dec - 16 Jan	SKY express	direct
31 Dec - 13 Jan	SKY express
31 Dec - 12 Jan	SKY express	direct
31 Dec - 13 Jan	SKY express	direct
31 Dec - 20 Jan	SKY express	direct
31 Dec - 19 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 113€

Return flights