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

Return flights

03 Dec - 16 Dec	JetSmart
03 Dec - 11 Dec	JetSmart
03 Dec - 21 Dec	JetSmart
08 Dec - 11 Dec	Aerolineas Argentinas
11 Dec - 15 Dec	Aerolineas Argentinas
28 Dec - 02 Jan	Aerolineas Argentinas
08 Dec - 16 Dec	JetSmart
29 Dec - 14 Jan	JetSmart
08 Dec - 21 Dec	JetSmart

Also check the deals for one-way flights from Iguazu Falls to Santiago in December.

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 Iguazu Falls to Santiago in December from $222

Return flights