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

Return flights

22 Dec - 14 Jan	Ryanair
15 Dec - 17 Dec	Ryanair
10 Dec - 16 Dec	easyJet
10 Dec - 13 Dec	easyJet
12 Dec - 17 Dec	SKY express	direct
10 Dec - 17 Dec	easyJet
15 Dec - 19 Dec	Ryanair
03 Dec - 10 Dec	SKY express	direct
07 Dec - 10 Dec	SKY express	direct
10 Dec - 14 Dec	easyJet
03 Dec - 17 Dec	SKY express	direct
31 Dec - 14 Jan	SKY express	direct
31 Dec - 21 Jan	SKY express	direct
22 Dec - 04 Jan	Ryanair
31 Dec - 07 Jan	Wizz Air
31 Dec - 05 Jan	Wizz Air
31 Dec - 18 Jan	SKY express	direct
20 Dec - 04 Jan	Vueling Airlines
20 Dec - 07 Jan	Vueling Airlines
29 Dec - 05 Jan	Ryanair

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Lisbon to Athens in December from 109€

Return flights