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

Return flights

03 May - 16 May	Avianca
05 May - 26 May	Air Europa	direct
04 May - 27 May	LATAM Airlines Group
01 May - 28 May	Air Europa	direct
04 May - 04 Jun	Air Europa	direct
22 May - 06 Jun	Air Europa	direct
10 May - 10 Jun	Air Europa	direct
13 May - 04 Jun	Air Europa	direct
08 May - 30 May	Avianca
04 May - 25 May	Condor
29 May - 25 Jun	Emirates
14 May - 12 Jun	Emirates
19 May - 19 Jun	Emirates

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 $831

Return flights