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
20 Aug - 31 Aug	Avianca
13 Aug - 30 Sep	Arajet
10 Aug - 09 Sep	Avianca
07 Aug - 19 Aug	LATAM Airlines Group
11 Aug - 16 Aug	Avianca
22 Aug - 30 Aug	Avianca
17 Aug - 25 Aug	Avianca
07 Aug - 21 Aug	Avianca
29 Aug - 03 Sep	Avianca
30 Aug - 03 Sep	Avianca
06 Aug - 13 Aug	LATAM Airlines Group	direct
22 Aug - 29 Aug	Avianca
11 Aug - 18 Aug	Arajet
09 Aug - 09 Sep	Avianca
08 Aug - 15 Aug	Avianca
16 Aug - 01 Sep	Avianca
25 Aug - 01 Sep	Avianca
20 Aug - 01 Sep	Avianca
09 Aug - 06 Sep	Avianca

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 433€

Return flights