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

Return flights

19 Aug - 26 Aug	British Airways
16 Aug - 23 Aug	Air France
26 Aug - 09 Sep	Iberia
18 Aug - 24 Aug	Air France
25 Aug - 06 Sep	LATAM Airlines Group
28 Aug - 14 Sep	Avianca
26 Aug - 10 Sep	LATAM Airlines Group
31 Aug - 30 Sep	LATAM Airlines Group
30 Aug - 27 Sep	LATAM Airlines Group

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 742€

Return flights