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

Return flights

17 Sep - 23 Sep	JetSmart
17 Sep - 04 Oct	JetSmart
17 Sep - 06 Oct	JetSmart
25 Sep - 01 Oct	Aerolineas Argentinas
17 Sep - 05 Oct	JetSmart
17 Sep - 01 Oct	JetSmart
17 Sep - 26 Sep	JetSmart
25 Sep - 04 Oct	JetSmart
25 Sep - 06 Oct	JetSmart
15 Sep - 23 Sep	JetSmart
15 Sep - 04 Oct	JetSmart
15 Sep - 06 Oct	JetSmart
16 Sep - 23 Sep	JetSmart
09 Sep - 23 Sep	JetSmart
25 Sep - 13 Oct	JetSmart
25 Sep - 26 Sep	JetSmart
14 Sep - 23 Sep	JetSmart
09 Sep - 14 Sep	Aerolineas Argentinas
15 Sep - 26 Sep	JetSmart
17 Sep - 18 Sep	JetSmart

Also check the deals for one-way flights from Iguazu Falls 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.

Book a cheap hotel in Santiago

Cheap car rent in Santiago

Cheapest return flights from Iguazu Falls to Santiago in September from $256

Return flights