AirHint found the following cheapest return flights from Miami (MIA) to Montevideo (MVD) in December 2025 (see full year).

Return flights

05 Dec - 14 Dec	Sky Airline
01 Dec - 08 Dec	Delta
01 Dec - 11 Dec	LATAM Airlines Group
04 Dec - 15 Dec	LATAM Airlines Group
01 Dec - 05 Dec	Delta
03 Dec - 10 Dec	Copa
03 Dec - 24 Dec	Copa
11 Dec - 22 Dec	Avianca
25 Dec - 31 Dec	LATAM Airlines Group
11 Dec - 26 Dec	LATAM Airlines Group
11 Dec - 10 Jan	Avianca
27 Dec - 07 Jan	Aerolíneas Argentinas
20 Dec - 10 Jan	GOL Linhas Aéreas
25 Dec - 04 Jan	LATAM Airlines Group
21 Dec - 12 Jan	Frontier Airlines
23 Dec - 06 Jan	Frontier Airlines
15 Dec - 04 Jan	LATAM Airlines Group
19 Dec - 10 Jan	Surinam Airways
21 Dec - 04 Jan	Avianca
19 Dec - 03 Jan	Surinam Airways

Also check the deals for one-way flights from Miami to Montevideo 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 Miami to Montevideo in December from 625€

Return flights