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

One-Way flights

10 Dec	SKY express	direct
17 Dec	SKY express	direct
03 Dec	SKY express	direct
24 Dec	SKY express	direct
14 Dec	SKY express	direct
09 Dec	easyJet
18 Dec	easyJet
11 Dec	easyJet
16 Dec	easyJet
02 Dec	Wizz Air

Also check the deals for return 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 one-way flights from Lisbon to Athens in December from $50

One-Way flights