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

Return flights

03 Dec - 24 Dec	Delta
28 Dec - 29 Jan	Delta
03 Dec - 06 Dec	Delta
27 Dec - 26 Jan	Air Canada
31 Dec - 18 Jan	Delta
03 Dec - 23 Jan	Delta
04 Dec - 11 Dec	Air France
28 Dec - 15 Jan	Delta
29 Dec - 19 Jan	Delta
05 Dec - 27 Dec	Delta
29 Dec - 21 Jan	Delta
25 Dec - 27 Jan	Delta
11 Dec - 21 Jan	Air Canada
06 Dec - 29 Dec	Delta
31 Dec - 11 Jan	Delta
08 Dec - 30 Dec	Delta
01 Dec - 08 Dec	Lufthansa	direct
04 Dec - 11 Dec	Lufthansa	direct
11 Dec - 27 Dec	Delta
16 Dec - 28 Dec	Air France

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 $981

Return flights