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

Return flights

14 Apr - 23 Apr	KLM
06 Apr - 16 Apr	KLM
06 Apr - 27 Apr	KLM
14 Apr - 21 Apr	KLM
14 Apr - 20 Apr	KLM
11 Apr - 20 Apr	KLM
13 Apr - 27 Apr	KLM
12 Apr - 16 Apr	KLM
08 Apr - 15 Apr	KLM
09 Apr - 16 Apr	KLM
29 Apr - 04 May	ITA Airways
29 Apr - 05 May	ITA Airways
01 Apr - 06 May	KLM
01 Apr - 07 May	KLM
30 Apr - 05 May	KLM
30 Apr - 07 May	KLM
29 Apr - 03 May	ITA Airways
21 Apr - 04 May	ITA Airways
20 Apr - 04 May	ITA Airways
27 Apr - 05 May	Lufthansa

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 $273

Return flights