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

Return flights

08 Aug - 15 Aug	Aerolineas Argentinas
07 Aug - 14 Aug	Aerolineas Argentinas
08 Aug - 11 Aug	Aerolineas Argentinas
10 Aug - 17 Aug	Aerolineas Argentinas
04 Aug - 04 Aug	Aerolineas Argentinas
06 Aug - 09 Aug	Aerolineas Argentinas
11 Aug - 18 Aug	Aerolineas Argentinas
15 Aug - 16 Aug	Paranair	direct
01 Aug - 02 Aug	Copa
23 Aug - 30 Aug	Copa

Also check the deals for one-way flights from Asuncion to Montevideo 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 Asuncion to Montevideo in August from 314€

Return flights