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

Return flights

13 May - 23 May	Avianca
09 May - 22 May	LATAM Airlines Group
10 May - 18 May	Air Europa	direct
13 May - 23 May	Air Europa	direct
22 May - 29 May	Air Europa	direct
09 May - 22 May	Air Europa	direct
11 May - 24 May	Air Europa	direct
03 May - 16 May	Avianca
04 May - 27 May	Copa

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 694€

Return flights