AirHint found the following cheapest return flights from Barcelona (BCN) to Santiago (SCL) in September 2026 (see full year).

Return flights

19 Sep - 24 Sep	LEVEL	direct
15 Sep - 29 Sep	LEVEL	direct
01 Sep - 21 Sep	Iberia
14 Sep - 28 Sep	Turkish Airlines
12 Sep - 03 Oct	LATAM Airlines Group
01 Sep - 15 Sep	LEVEL	direct
03 Sep - 15 Sep	LEVEL	direct
14 Sep - 27 Sep	Turkish Airlines
03 Sep - 23 Sep	Turkish Airlines
01 Sep - 22 Sep	Turkish Airlines
12 Sep - 03 Oct	LEVEL	direct
01 Sep - 13 Sep	Turkish Airlines
23 Sep - 31 Oct	Iberia

Also check the deals for one-way flights from Barcelona to Santiago in September.

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.

Book a cheap hotel in Santiago

Cheap car rent in Santiago

Cheapest return flights from Barcelona to Santiago in September from $976

Return flights