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

Return flights

15 Oct - 26 Oct	JetSmart
15 Oct - 20 Oct	JetSmart
15 Oct - 01 Nov	JetSmart
06 Oct - 26 Oct	JetSmart
10 Oct - 26 Oct	JetSmart
15 Oct - 31 Oct	JetSmart
06 Oct - 20 Oct	JetSmart
09 Oct - 26 Oct	JetSmart
10 Oct - 20 Oct	JetSmart
27 Oct - 01 Nov	JetSmart
06 Oct - 13 Oct	JetSmart
09 Oct - 13 Oct	Flybondi
30 Oct - 01 Nov	JetSmart
30 Oct - 06 Nov	Aerolineas Argentinas
30 Oct - 02 Nov	Aerolineas Argentinas
15 Oct - 02 Nov	JetSmart
27 Oct - 02 Nov	JetSmart

Also check the deals for one-way flights from Mendoza to Asuncion 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 Mendoza to Asuncion in October from $257

Return flights