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

Return flights

04 Aug - 19 Aug	Air France
15 Aug - 07 Sep	LATAM Airlines Group
04 Aug - 29 Aug	LATAM Airlines Group
04 Aug - 25 Aug	Air France
19 Aug - 08 Sep	LATAM Airlines Group
13 Aug - 01 Sep	Air France
07 Aug - 23 Aug	KLM
07 Aug - 24 Aug	KLM
24 Aug - 24 Sep	LATAM Airlines Group
05 Aug - 10 Aug	Iberia
01 Aug - 16 Aug	KLM
01 Aug - 08 Aug	LATAM Airlines Group
01 Aug - 15 Aug	Iberia
17 Aug - 14 Sep	LATAM Airlines Group
23 Aug - 20 Sep	LATAM Airlines Group
31 Aug - 30 Sep	LATAM Airlines Group
03 Aug - 08 Aug	KLM

Also check the deals for one-way flights from Santiago to Lisbon 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 Lisbon in August from 754€

Return flights