Cheapest one-way flights from Madrid to Asuncion in September from $612

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

One-Way flights

19 Sep LATAM Airlines Group
24 Sep Plus Ultra Lineas Aereas
25 Sep Plus Ultra Lineas Aereas
22 Sep Azul Airlines
26 Sep Azul Airlines
28 Sep Avianca
19 Sep Air Europa direct
21 Sep Air Europa direct
22 Sep Air Europa direct
24 Sep Air Europa direct

Also check the deals for return flights from Madrid to Asuncion in September.

Skyscanner

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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