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

Return flights

20 Aug - 28 Aug	Avianca
15 Aug - 25 Aug	Avianca
23 Aug - 30 Aug	Avianca
20 Aug - 26 Aug	Avianca
21 Aug - 26 Aug	Avianca
22 Aug - 30 Aug	Avianca
19 Aug - 25 Aug	Avianca
26 Aug - 02 Sep	Avianca
31 Aug - 07 Sep	Avianca
21 Aug - 28 Aug	Avianca
19 Aug - 24 Aug	LATAM Airlines Group
10 Aug - 14 Aug	LATAM Airlines Group
27 Aug - 03 Sep	LATAM Airlines Group
28 Aug - 04 Sep	LATAM Airlines Group
29 Aug - 05 Sep	LATAM Airlines Group
30 Aug - 06 Sep	LATAM Airlines Group
27 Aug - 08 Sep	Copa
22 Aug - 02 Sep	Copa
29 Aug - 07 Sep	Copa
13 Aug - 03 Sep	Copa

Also check the deals for one-way flights from Santiago to Cancun 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 Cancun in August from 372€

Return flights