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

Return flights

09 Apr - 19 Apr	SWISS
14 Apr - 26 Apr	Lufthansa
01 Apr - 04 Apr	Wizz Air Malta
01 Apr - 14 Apr	SWISS
02 Apr - 14 Apr	SWISS
03 Apr - 14 Apr	SWISS
03 Apr - 15 Apr	SWISS
05 Apr - 16 Apr	Qatar Airways
04 Apr - 16 Apr	Qatar Airways
06 Apr - 16 Apr	Qatar Airways

Also check the deals for one-way flights from Bucharest 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 Bucharest to Buenos Aires in April from 1156€

Return flights