AirHint found the following cheapest return flights from Neuquen (NQN) to Santiago (SCL) in September 2025 (see full year).

Return flights

28 Sep - 11 Oct	Aerolineas Argentinas
30 Sep - 21 Oct	JetSmart
30 Sep - 07 Oct	Aerolineas Argentinas
30 Sep - 11 Oct	JetSmart
23 Sep - 30 Sep	Aerolineas Argentinas
30 Sep - 30 Sep	Aerolineas Argentinas
28 Sep - 29 Sep	JetSmart
30 Sep - 13 Oct	JetSmart
28 Sep - 07 Oct	JetSmart
30 Sep - 12 Oct	JetSmart
28 Sep - 13 Oct	JetSmart
28 Sep - 30 Sep	JetSmart
28 Sep - 12 Oct	JetSmart
30 Sep - 19 Oct	JetSmart
23 Sep - 29 Sep	JetSmart

Also check the deals for one-way flights from Neuquen to Santiago 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 return flights from Neuquen to Santiago in September from 243€

Return flights