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

Return flights

12 Aug - 27 Aug	Copa
16 Aug - 23 Aug	Copa
24 Aug - 31 Aug	Copa
14 Aug - 24 Aug	Copa
06 Aug - 13 Aug	Copa
10 Aug - 20 Aug	Copa
20 Aug - 05 Sep	Copa
25 Aug - 30 Aug	Avianca
13 Aug - 16 Aug	Avianca
20 Aug - 23 Aug	Viva
06 Aug - 23 Aug	Viva
23 Aug - 07 Sep	Viva
31 Aug - 07 Sep	Viva
31 Aug - 18 Sep	Viva
20 Aug - 07 Sep	Viva
25 Aug - 07 Sep	Viva
31 Aug - 15 Sep	Viva
25 Aug - 15 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 $709

Return flights