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

Return flights

06 Dec - 12 Dec	Spirit Airlines
08 Dec - 11 Dec	American Airlines
25 Dec - 17 Jan	LATAM Airlines Group
10 Dec - 30 Dec	Spirit Airlines
25 Dec - 16 Jan	LATAM Airlines Group
06 Dec - 13 Jan	LATAM Airlines Group
13 Dec - 11 Jan	Volaris Costa Rica
12 Dec - 11 Jan	Volaris Costa Rica
23 Dec - 30 Dec	Frontier Airlines
22 Dec - 29 Dec	Frontier Airlines
14 Dec - 11 Jan	Spirit Airlines
06 Dec - 10 Jan	Spirit Airlines
13 Dec - 10 Jan	LATAM Airlines Group
09 Dec - 10 Jan	Avianca
20 Dec - 10 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Orlando 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 Orlando to Buenos Aires in December from $730

Return flights