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

Return flights

06 Aug - 24 Aug	Iberia
07 Aug - 24 Aug	Iberia
05 Aug - 22 Aug	Iberia
09 Aug - 27 Aug	Iberia
03 Aug - 19 Aug	Iberia
04 Aug - 27 Aug	Iberia
04 Aug - 25 Aug	Iberia
19 Aug - 09 Sep	Iberia
12 Aug - 19 Aug	Iberia
20 Aug - 03 Sep	Iberia
15 Aug - 07 Sep	Iberia
13 Aug - 20 Aug	Iberia
14 Aug - 31 Aug	LATAM Airlines Group
30 Aug - 30 Sep	LATAM Airlines Group
31 Aug - 30 Sep	Air France
28 Aug - 14 Sep	Iberia
30 Aug - 27 Sep	Air France

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 $888

Return flights