AirHint found the following cheapest return flights from Frankfurt (FRA) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

26 Aug - 30 Sep	LATAM Airlines Group
19 Aug - 03 Sep	Iberia
17 Aug - 27 Aug	LATAM Airlines Group
16 Aug - 21 Aug	LATAM Airlines Group
18 Aug - 28 Aug	LATAM Airlines Group
27 Aug - 09 Sep	LATAM Airlines Group
19 Aug - 02 Sep	Iberia
28 Aug - 11 Sep	LATAM Airlines Group
17 Aug - 07 Sep	LATAM Airlines Group
17 Aug - 01 Sep	LATAM Airlines Group
20 Aug - 03 Sep	TAP
17 Aug - 13 Sep	LATAM Airlines Group
18 Aug - 24 Aug	LATAM Airlines Group
17 Aug - 31 Aug	LATAM Airlines Group
09 Aug - 16 Aug	LATAM Airlines Group
09 Aug - 28 Aug	LATAM Airlines Group
10 Aug - 21 Aug	LATAM Airlines Group
07 Aug - 14 Aug	LATAM Airlines Group
07 Aug - 20 Aug	LATAM Airlines Group
21 Aug - 16 Sep	SWISS

Also check the deals for one-way flights from Frankfurt to Buenos Aires in August.

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 Frankfurt to Buenos Aires in August from $1361

Return flights