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

Return flights

04 Dec - 11 Dec	Spirit Airlines
03 Dec - 10 Dec	Copa
05 Dec - 10 Dec	Delta
03 Dec - 15 Dec	Delta
02 Dec - 08 Dec	Delta
02 Dec - 09 Dec	Delta
28 Dec - 18 Jan	American Airlines
14 Dec - 23 Dec	Delta
23 Dec - 30 Dec	United
16 Dec - 24 Dec	Delta
27 Dec - 28 Jan	Delta
15 Dec - 19 Jan	Delta
16 Dec - 14 Jan	Delta
16 Dec - 13 Jan	Delta
15 Dec - 13 Jan	Delta
15 Dec - 14 Jan	Delta
15 Dec - 30 Dec	Delta
16 Dec - 15 Jan	Delta
16 Dec - 16 Jan	Delta
15 Dec - 16 Jan	Delta

Also check the deals for one-way flights from Fort Lauderdale 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 Fort Lauderdale to Buenos Aires in December from 582€

Return flights