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

Return flights

09 Dec - 13 Dec	easyJet
11 Dec - 13 Dec	easyJet
11 Dec - 18 Dec	easyJet
11 Dec - 15 Dec	easyJet
10 Dec - 13 Dec	easyJet
13 Dec - 17 Dec	easyJet
14 Dec - 17 Dec	easyJet
14 Dec - 18 Dec	easyJet
10 Dec - 17 Dec	easyJet
15 Dec - 18 Dec	easyJet
31 Dec - 14 Jan	SKY express	direct
17 Dec - 09 Jan	SKY express	direct
31 Dec - 09 Jan	SKY express	direct
31 Dec - 17 Jan	SKY express
31 Dec - 16 Jan	SKY express
31 Dec - 19 Jan	SKY express
31 Dec - 08 Jan	SKY express
19 Dec - 08 Jan	SKY express
31 Dec - 16 Jan	SKY express	direct
31 Dec - 18 Jan	SKY express	direct

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

Cheap car rent in Lisbon

Cheapest return flights from Athens to Lisbon in December from 106€

Return flights