AirHint found the following cheapest one-way flights from Buenos Aires (AEP) to Asuncion (ASU) in September 2025 (see full year).

One-Way flights

25 Sep	JetSmart	direct
16 Sep	JetSmart	direct
30 Sep	JetSmart	direct
18 Sep	JetSmart	direct
26 Sep	JetSmart	direct
02 Sep	JetSmart	direct
09 Sep	JetSmart	direct
12 Sep	JetSmart	direct
11 Sep	JetSmart	direct
05 Sep	JetSmart	direct

Also check the deals for return flights from Buenos Aires to Asuncion in September.

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 Buenos Aires to Asuncion in September from 98€

One-Way flights