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

Return flights

14 Oct - 27 Oct	Delta
27 Oct - 03 Nov	Delta
24 Oct - 14 Nov	Delta
14 Oct - 01 Nov	Delta
27 Oct - 04 Nov	Delta
28 Oct - 04 Nov	Delta
26 Oct - 22 Nov	Delta
24 Oct - 01 Nov	Delta
26 Oct - 08 Nov	Delta
28 Oct - 08 Nov	Delta
26 Oct - 02 Nov	Delta
22 Oct - 28 Oct	Delta
20 Oct - 27 Oct	Delta
15 Oct - 29 Oct	Delta
16 Oct - 21 Oct	Delta
22 Oct - 25 Oct	Delta
20 Oct - 31 Oct	Delta
15 Oct - 29 Oct	Lufthansa	direct
22 Oct - 24 Oct	Ryanair
14 Oct - 27 Oct	Lufthansa	direct

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 847€

Return flights