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

Return flights

01 Apr - 08 Apr	LATAM Airlines Group
07 Apr - 18 Apr	LATAM Airlines Group
06 Apr - 18 Apr	LATAM Airlines Group
05 Apr - 15 Apr	SWISS
04 Apr - 15 Apr	Lufthansa
04 Apr - 16 Apr	Lufthansa
03 Apr - 17 Apr	Lufthansa
18 Apr - 26 Apr	SWISS
18 Apr - 05 May	SWISS
03 Apr - 12 Apr	Lufthansa

Also check the deals for one-way flights from Athens to Buenos Aires 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 Athens to Buenos Aires in April from $1297

Return flights