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

Return flights

26 Aug - 04 Sep	Delta
25 Aug - 04 Sep	Delta
26 Aug - 02 Sep	Delta
28 Aug - 24 Sep	Delta
24 Aug - 09 Sep	Delta
31 Aug - 09 Sep	Delta
28 Aug - 04 Sep	Delta
26 Aug - 18 Sep	Delta
29 Aug - 19 Sep	Air France
27 Aug - 09 Sep	Delta
26 Aug - 28 Aug	Delta
24 Aug - 28 Aug	Delta
25 Aug - 28 Aug	Delta
24 Aug - 31 Aug	Air France
26 Aug - 27 Aug	Delta
27 Aug - 30 Aug	Avianca
25 Aug - 31 Aug	Avianca
25 Aug - 30 Aug	Avianca
30 Aug - 31 Aug	Royal Air Maroc
26 Aug - 28 Aug	Iberia For Level	direct

Also check the deals for one-way flights from Barcelona to Santiago 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 Barcelona to Santiago in August from $816

Return flights