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

Return flights

29 Apr - 06 May	ITA Airways
29 Apr - 04 May	ITA Airways
29 Apr - 03 May	ITA Airways
23 Apr - 28 Apr	SWISS
09 Apr - 14 Apr	SWISS
04 Apr - 13 Apr	ITA Airways
25 Apr - 02 May	ITA Airways
25 Apr - 04 May	ITA Airways
27 Apr - 04 May	ITA Airways
03 Apr - 11 Apr	ITA Airways
02 Apr - 09 Apr	KLM
06 Apr - 11 Apr	ITA Airways
03 Apr - 05 Apr	SWISS
03 Apr - 07 Apr	SWISS
01 Apr - 30 Apr	ITA Airways
06 Apr - 09 Apr	SWISS

Also check the deals for one-way flights from London to Athens in April.

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 April from $295

Return flights