AirHint found the following cheapest return flights from Mexico City (MEX) to Santiago (SCL) in August 2026 (see full year).

Return flights

27 Aug - 02 Sep	Arajet
19 Aug - 26 Aug	Arajet
06 Aug - 01 Sep	LATAM Airlines Group
13 Aug - 27 Aug	LATAM Airlines Group
05 Aug - 15 Aug	Copa
07 Aug - 21 Aug	Copa
03 Aug - 11 Aug	Copa
08 Aug - 17 Aug	Volaris
22 Aug - 26 Aug	Viva
07 Aug - 26 Aug	Viva
22 Aug - 30 Aug	Viva
14 Aug - 26 Aug	Viva
31 Aug - 02 Sep	Viva
31 Aug - 15 Sep	Viva
22 Aug - 02 Sep	Viva
31 Aug - 06 Sep	Viva
22 Aug - 06 Sep	Viva
27 Aug - 15 Sep	Viva
14 Aug - 02 Sep	Viva
21 Aug - 02 Sep	Viva

Also check the deals for one-way flights from Mexico City to Santiago in August.

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 Mexico City to Santiago in August from $449

Return flights