AirHint found the following cheapest one-way flights from Asuncion (ASU) to Madrid (MAD) in August 2025 (see full year).

One-Way flights

18 Aug	Azul Airlines
13 Aug	Azul Airlines
04 Aug	Azul Airlines
01 Aug	Azul Airlines
06 Aug	Azul Airlines
20 Aug	Azul Airlines
12 Aug	Azul Airlines
02 Aug	LATAM Airlines Group
08 Aug	LATAM Airlines Group
30 Aug	Azul Airlines

Also check the deals for return flights from Asuncion to Madrid 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 one-way flights from Asuncion to Madrid in August from $510

One-Way flights