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

Return flights

30 Dec - 13 Jan	Iberia
03 Dec - 10 Dec	SWISS
05 Dec - 12 Dec	KLM
05 Dec - 14 Dec	Lufthansa
06 Dec - 13 Dec	Lufthansa
02 Dec - 09 Dec	Lufthansa
04 Dec - 13 Dec	Lufthansa
29 Dec - 25 Jan	Air France
14 Dec - 24 Dec	British Airways
29 Dec - 30 Jan	Air France
04 Dec - 11 Dec	SWISS
03 Dec - 08 Dec	Air France
15 Dec - 12 Jan	British Airways
06 Dec - 20 Dec	British Airways
13 Dec - 17 Jan	Air France
27 Dec - 17 Jan	SWISS
13 Dec - 18 Jan	Spirit Airlines
16 Dec - 28 Jan	Hawaiian Airlines
23 Dec - 10 Jan	Frontier Airlines
17 Dec - 10 Jan	WestJet

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 380€

Return flights