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

Return flights

25 Aug - 21 Sep	Air Europa
25 Aug - 29 Sep	Air Europa
24 Aug - 03 Sep	Azul Airlines
18 Aug - 06 Sep	Ryanair
19 Aug - 18 Sep	Air Europa
18 Aug - 25 Aug	Azul Airlines
17 Aug - 07 Sep	Azul Airlines
17 Aug - 31 Aug	Azul Airlines
23 Aug - 20 Sep	Azul Airlines
22 Aug - 31 Aug	TAP
23 Aug - 07 Sep	Azul Airlines
21 Aug - 28 Aug	Azul Airlines
30 Aug - 07 Sep	Azul Airlines
18 Aug - 04 Sep	Ryanair
14 Aug - 25 Aug	Air Europa
14 Aug - 23 Aug	Air Europa
13 Aug - 16 Aug	Air Europa	direct
14 Aug - 21 Aug	Air Europa
15 Aug - 31 Aug	Air Europa
18 Aug - 29 Aug	Air Europa

Also check the deals for one-way flights from Madrid 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 Madrid to Asuncion in August from $1106

Return flights