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

One-Way flights

02 Dec	Wizz Air UK
15 Dec	easyJet
06 Dec	easyJet
18 Dec	Vueling Airlines
10 Dec	Air Serbia
04 Dec	easyJet
18 Dec	Aegean Airlines	direct
02 Dec	Aegean Airlines	direct
25 Dec	Volotea	direct
21 Dec	Vueling Airlines

Also check the deals for return 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 one-way flights from Athens to Lisbon in December from 63€

One-Way flights