AirHint found the following cheapest return flights from Montevideo (MVD) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

18 Aug - 21 Aug	Aerolineas Argentinas	direct
01 Aug - 03 Aug	Aerolineas Argentinas	direct
11 Aug - 14 Aug	Aerolineas Argentinas	direct
12 Aug - 14 Aug	Aerolineas Argentinas	direct
21 Aug - 28 Aug	Aerolineas Argentinas	direct
19 Aug - 21 Aug	Aerolineas Argentinas	direct
17 Aug - 20 Aug	Aerolineas Argentinas
11 Aug - 13 Aug	Aerolineas Argentinas
18 Aug - 20 Aug	Aerolineas Argentinas

Also check the deals for one-way flights from Montevideo to Buenos Aires in August.

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 Montevideo to Buenos Aires in August from $177

Return flights