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

Return flights

01 Dec - 15 Dec	SWISS
02 Dec - 16 Dec	Lufthansa
11 Dec - 25 Dec	Iberia
15 Dec - 10 Jan	Lufthansa
12 Dec - 25 Dec	British Airways
16 Dec - 10 Jan	SWISS
25 Dec - 22 Jan	Air France
12 Dec - 21 Dec	Air France
13 Dec - 27 Dec	British Airways
16 Dec - 30 Dec	SWISS
23 Dec - 17 Jan	Air France
11 Dec - 20 Dec	KLM
12 Dec - 20 Dec	Air France
01 Dec - 01 Jan	SWISS
22 Dec - 13 Jan	SWISS
15 Dec - 01 Jan	SWISS
21 Dec - 08 Jan	SWISS
22 Dec - 05 Jan	British Airways
15 Dec - 04 Jan	SWISS
19 Dec - 28 Dec	SWISS

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Athens in December from 394€

Return flights