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

Return flights

05 Aug - 22 Aug	Iberia
08 Aug - 22 Aug	Air France
02 Aug - 22 Aug	Air France
01 Aug - 22 Aug	Air France
07 Aug - 18 Aug	KLM
04 Aug - 25 Aug	LATAM Airlines Group
28 Aug - 13 Sep	Sky Airline
28 Aug - 07 Sep	JetSmart
06 Aug - 24 Aug	LATAM Airlines Group
07 Aug - 24 Aug	LATAM Airlines Group
12 Aug - 23 Aug	LATAM Airlines Group
14 Aug - 21 Aug	LATAM Airlines Group
28 Aug - 08 Sep	LATAM Airlines Group
29 Aug - 29 Sep	LATAM Airlines Group
26 Aug - 27 Sep	Turkish Airlines

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 763€

Return flights