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

Return flights

03 Mar - 13 Mar	Avianca
04 Mar - 20 Mar	Air Europa	direct
19 Mar - 25 Mar	Air Europa	direct
03 Mar - 13 Mar	Air Europa	direct
15 Mar - 30 Mar	Air Europa	direct
20 Mar - 27 Mar	Air Europa	direct
19 Mar - 04 Apr	Avianca
03 Mar - 10 Mar	Avianca
04 Mar - 25 Mar	Air Europa
10 Mar - 17 Mar	Emirates
03 Mar - 15 Mar	GOL Linhas Aéreas
20 Mar - 04 Apr	Emirates

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

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 March from 704€

Return flights