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

Return flights

03 Aug - 21 Aug	Avianca
02 Aug - 21 Aug	Avianca
11 Aug - 22 Aug	Avianca
11 Aug - 21 Aug	Avianca
11 Aug - 25 Aug	Avianca
03 Aug - 22 Aug	Avianca
10 Aug - 21 Aug	Avianca
05 Aug - 25 Aug	Avianca
07 Aug - 07 Sep	Avianca
05 Aug - 26 Aug	Avianca
02 Aug - 04 Sep	Avianca
15 Aug - 31 Aug	Air France
12 Aug - 03 Sep	KLM
06 Aug - 03 Sep	Avianca
13 Aug - 01 Sep	Air France
11 Aug - 03 Sep	KLM
11 Aug - 02 Sep	Avianca
07 Aug - 02 Sep	Avianca
09 Aug - 04 Sep	Avianca
11 Aug - 01 Sep	Avianca

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 721€

Return flights