AirHint found the following cheapest return flights from London (LCY) to Athens (ATH) in December 2026 (see full year).

Return flights

18 Dec - 20 Dec	ITA Airways
02 Dec - 09 Dec	ITA Airways
17 Dec - 20 Dec	ITA Airways
04 Dec - 07 Dec	Lufthansa
23 Dec - 30 Dec	ITA Airways
22 Dec - 29 Dec	ITA Airways
23 Dec - 03 Jan	ITA Airways
17 Dec - 03 Jan	ITA Airways
19 Dec - 03 Jan	ITA Airways
24 Dec - 31 Dec	ITA Airways
25 Dec - 31 Dec	ITA Airways
26 Dec - 10 Jan	ITA Airways
26 Dec - 30 Dec	ITA Airways
28 Dec - 06 Jan	ITA Airways
27 Dec - 29 Dec	SWISS

Also check the deals for one-way flights from London 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 London to Athens in December from $313

Return flights