Cheapest return MAD–ASU flights, September

AirHint found the following cheapest return flights from Madrid (MAD) to Asuncion (ASU) in September 2026 (see full year).

Return flights

28 Sep - 18 Oct Avianca
24 Sep - 15 Oct Air Europa direct
01 Sep - 29 Sep LATAM Airlines Group
17 Sep - 27 Sep LATAM Airlines Group
07 Sep - 22 Sep LATAM Airlines Group
16 Sep - 13 Oct LATAM Airlines Group
24 Sep - 25 Oct Air Europa direct
13 Sep - 11 Oct LATAM Airlines Group
24 Sep - 14 Oct Air Europa direct
01 Sep - 15 Sep LATAM Airlines Group
24 Sep - 08 Oct Air Europa direct
11 Sep - 09 Oct LATAM Airlines Group
17 Sep - 27 Sep Air Europa direct
28 Sep - 18 Oct Air Europa direct
27 Sep - 28 Oct Boliviana de Aviacion
15 Sep - 30 Sep LATAM Airlines Group
07 Sep - 22 Sep Air Europa direct
15 Sep - 30 Sep Air Europa direct
06 Sep - 20 Sep Air Europa direct
01 Sep - 29 Sep Air Europa direct

Also check the deals for one-way flights from Madrid to Asuncion in September.

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