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

Return flights

27 Dec - 22 Jan	Delta
30 Dec - 29 Jan	Delta
31 Dec - 27 Jan	LATAM Airlines Group
25 Dec - 22 Jan	Delta
23 Dec - 24 Jan	Delta
30 Dec - 19 Jan	Turkish Airlines
27 Dec - 24 Jan	Delta
27 Dec - 21 Jan	Delta
24 Dec - 28 Dec	Air France
27 Dec - 20 Jan	Delta
30 Dec - 31 Jan	Delta
23 Dec - 30 Dec	Delta
24 Dec - 31 Dec	Air France
31 Dec - 31 Dec	Air France
24 Dec - 28 Dec	Lufthansa	direct
24 Dec - 31 Dec	Lufthansa	direct

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

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 December from 863€

Return flights