AirHint found the following cheapest return flights from Asuncion (ASU) to Buenos Aires (AEP) in October 2025 (see full year).

Return flights

11 Oct - 17 Oct	JetSmart	direct
01 Oct - 17 Oct	JetSmart	direct
18 Oct - 07 Nov	JetSmart	direct
08 Oct - 17 Oct	JetSmart	direct
06 Oct - 17 Oct	JetSmart	direct
24 Oct - 14 Nov	JetSmart	direct
24 Oct - 12 Nov	JetSmart	direct
24 Oct - 07 Nov	JetSmart	direct
01 Oct - 04 Oct	JetSmart	direct
24 Oct - 13 Nov	JetSmart	direct

Also check the deals for one-way flights from Asuncion to Buenos Aires in October.

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 Buenos Aires in October from $222

Return flights