AirHint found the following cheapest return flights from Santiago (SCL) to Mexico City (MEX) in August 2025 (see full year).

Return flights

20 Aug - 02 Sep	Arajet
10 Aug - 09 Sep	Avianca
28 Aug - 04 Sep	Avianca
22 Aug - 01 Sep	LATAM Airlines Group	direct
22 Aug - 02 Sep	LATAM Airlines Group	direct
07 Aug - 19 Aug	LATAM Airlines Group
22 Aug - 29 Aug	Avianca
30 Aug - 01 Sep	Avianca
06 Aug - 13 Aug	LATAM Airlines Group	direct
09 Aug - 09 Sep	Avianca
07 Aug - 20 Aug	LATAM Airlines Group
07 Aug - 21 Aug	Copa
05 Aug - 10 Aug	Avianca
17 Aug - 25 Aug	Copa
24 Aug - 10 Sep	Copa
23 Aug - 10 Sep	Copa
16 Aug - 01 Sep	Copa
07 Aug - 16 Aug	Avianca
08 Aug - 21 Aug	Avianca
07 Aug - 20 Aug	LATAM Airlines Group	direct

Also check the deals for one-way flights from Santiago to Mexico City 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 Santiago to Mexico City in August from $506

Return flights