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

Return flights

30 Oct - 16 Nov	Air Canada
14 Oct - 21 Oct	Air Canada
23 Oct - 30 Oct	Air Canada
28 Oct - 19 Nov	Air Canada
14 Oct - 20 Oct	Air Canada
27 Oct - 08 Nov	Air Canada
29 Oct - 14 Nov	LATAM Airlines Group
09 Oct - 03 Nov	LATAM Airlines Group
13 Oct - 22 Oct	LATAM Airlines Group
09 Oct - 16 Oct	LATAM Airlines Group
16 Oct - 12 Nov	LATAM Airlines Group
16 Oct - 13 Nov	LATAM Airlines Group
06 Oct - 18 Oct	LATAM Airlines Group
06 Oct - 05 Nov	LATAM Airlines Group
12 Oct - 15 Nov	LATAM Airlines Group
31 Oct - 09 Nov	Lufthansa
20 Oct - 30 Oct	LATAM Airlines Group
21 Oct - 26 Oct	LATAM Airlines Group
08 Oct - 15 Oct	LATAM Airlines Group
01 Oct - 08 Oct	LATAM Airlines Group

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

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 October from $1053

Return flights