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

Return flights

04 Dec - 26 Jan	Air Canada
08 Dec - 26 Jan	Air Canada
02 Dec - 23 Jan	Air Canada
03 Dec - 24 Dec	Delta
29 Dec - 29 Jan	Delta
02 Dec - 22 Jan	Delta
03 Dec - 06 Dec	Delta
30 Dec - 21 Jan	Air Canada
04 Dec - 24 Jan	Delta
04 Dec - 27 Jan	Delta
09 Dec - 23 Dec	Air Canada
28 Dec - 18 Jan	Delta
29 Dec - 15 Jan	Delta
02 Dec - 10 Dec	British Airways
07 Dec - 14 Dec	British Airways
02 Dec - 23 Dec	Delta
04 Dec - 23 Dec	Delta
08 Dec - 23 Dec	Delta
07 Dec - 23 Dec	Delta
05 Dec - 27 Dec	Delta

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 797€

Return flights