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

Return flights

05 Oct - 11 Oct	American Airlines
03 Oct - 26 Oct	Delta
24 Oct - 15 Nov	Delta
02 Oct - 27 Nov	Delta
02 Oct - 14 Oct	Delta
13 Oct - 20 Oct	Delta
07 Oct - 21 Oct	Delta
09 Oct - 29 Oct	Delta
06 Oct - 20 Oct	Delta
31 Oct - 24 Nov	Delta
31 Oct - 15 Nov	Delta
25 Oct - 01 Nov	American Airlines
07 Oct - 14 Oct	Delta
09 Oct - 28 Oct	Delta
03 Oct - 10 Oct	Delta
02 Oct - 30 Nov	Delta
15 Oct - 27 Nov	Delta
25 Oct - 11 Nov	Air Canada
15 Oct - 25 Nov	Delta
01 Oct - 26 Nov	Delta

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

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 October from 636€

Return flights