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

Return flights

09 Sep - 29 Sep	American Airlines
10 Sep - 02 Oct	Delta
08 Sep - 22 Sep	Delta
10 Sep - 24 Sep	Delta
28 Sep - 18 Oct	Delta
16 Sep - 04 Oct	Delta
15 Sep - 02 Oct	Delta
15 Sep - 04 Oct	Delta
24 Sep - 13 Oct	Delta
11 Sep - 02 Oct	Delta
10 Sep - 27 Sep	Delta
11 Sep - 24 Sep	Delta
07 Sep - 21 Sep	Delta
07 Sep - 27 Sep	Delta
15 Sep - 27 Sep	Delta
23 Sep - 15 Oct	Delta
08 Sep - 23 Sep	Delta
11 Sep - 21 Sep	Delta
13 Sep - 02 Oct	Delta
11 Sep - 05 Oct	Delta

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.

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Cheapest return flights from Barcelona to Santiago in September from 536€

Return flights