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

Return flights

01 May - 09 May	Avianca
28 May - 10 Jun	LATAM Airlines Group
08 May - 15 May	Air Europa	direct
07 May - 23 May	Air Europa	direct
01 May - 09 May	Air Europa	direct
01 May - 25 Jun	LATAM Airlines Group
01 May - 06 Jun	Air Europa	direct
06 May - 16 May	Avianca
01 May - 16 May	Avianca
03 May - 23 May	Avianca
01 May - 25 Jun	Air Europa	direct
15 May - 25 May	Avianca
03 May - 17 May	Avianca
24 May - 08 Jun	Avianca
29 May - 25 Jun	LATAM Airlines Group
25 May - 11 Jun	Copa
15 May - 22 Jun	LATAM Airlines Group

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

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 Asuncion to Madrid in May from 702€

Return flights