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

Return flights

19 Aug - 28 Aug	Air France
19 Aug - 01 Sep	Air France
20 Aug - 27 Aug	Air France
18 Aug - 25 Aug	Air France
21 Aug - 28 Aug	Air France
18 Aug - 01 Sep	Air France
21 Aug - 01 Sep	Air France
19 Aug - 09 Sep	Air France
18 Aug - 31 Aug	Air France
18 Aug - 02 Sep	Air France
17 Aug - 01 Sep	Air France
19 Aug - 02 Sep	Air France
17 Aug - 04 Sep	Air France
17 Aug - 07 Sep	LATAM Airlines Group
20 Aug - 02 Sep	Air France
23 Aug - 30 Aug	Iberia
18 Aug - 22 Aug	Air France
21 Aug - 27 Aug	Air France
27 Aug - 28 Aug	Avianca
28 Aug - 31 Aug	Air France

Also check the deals for one-way flights from Santiago to Barcelona 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 Barcelona in August from 741€

Return flights