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

Return flights

12 Aug - 18 Aug	Copa
12 Aug - 15 Aug	Avianca
23 Aug - 06 Sep	Volaris
05 Aug - 11 Aug	Copa
16 Aug - 15 Sep	LATAM Airlines Group
26 Aug - 31 Aug	Avianca
10 Aug - 16 Aug	Copa
08 Aug - 15 Aug	Viva
06 Aug - 10 Aug	Avianca
07 Aug - 13 Aug	Avianca
14 Aug - 23 Aug	Copa
07 Aug - 24 Aug	Arajet

Also check the deals for one-way flights from Mexico City to Asuncion 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 Mexico City to Asuncion in August from 662€

Return flights