AirHint found the following cheapest one-way flights from Asuncion (ASU) to Barcelona (BCN) in August 2025 (see full year).

One-Way flights

08 Aug	Avianca
03 Aug	Avianca
10 Aug	Avianca
06 Aug	Avianca
01 Aug	Avianca
04 Aug	LATAM Airlines Group
13 Aug	Avianca
02 Aug	LATAM Airlines Group
11 Aug	LATAM Airlines Group
12 Aug	LATAM Airlines Group

Also check the deals for return flights from Asuncion to Barcelona in August.

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 one-way flights from Asuncion to Barcelona in August from 409€

One-Way flights