Cheapest return flights from Madrid to Asuncion in September from 796€

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

Return flights

25 Sep - 14 Oct Air France
25 Sep - 13 Oct Air France
05 Sep - 26 Sep Azul Airlines
09 Sep - 21 Sep Azul Airlines
10 Sep - 24 Sep Azul Airlines
17 Sep - 17 Oct Azul Airlines
09 Sep - 24 Sep Azul Airlines
06 Sep - 21 Sep Avianca
13 Sep - 24 Sep Azul Airlines
13 Sep - 21 Sep Azul Airlines
18 Sep - 18 Oct LATAM Airlines Group
11 Sep - 24 Sep Avianca
12 Sep - 08 Oct Azul Airlines
11 Sep - 25 Sep LATAM Airlines Group
02 Sep - 25 Sep LATAM Airlines Group
02 Sep - 14 Oct LATAM Airlines Group
12 Sep - 03 Oct Azul Airlines
22 Sep - 05 Oct TAP
25 Sep - 29 Oct Air Europa direct
19 Sep - 19 Oct Avianca

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

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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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