Cheapest return flights from Barcelona to Santiago in September from $749

Best time to book flights for Barcelona (BCN) to Santiago (SCL) flights at AirHint

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

Return flights

03 Sep - 25 Sep Delta
09 Sep - 07 Oct Delta
08 Sep - 06 Oct Delta
09 Sep - 07 Oct Iberia direct
11 Sep - 09 Oct Iberia direct
10 Sep - 11 Oct Iberia direct
13 Sep - 21 Oct Iberia direct
30 Sep - 16 Oct Iberia
18 Sep - 07 Oct Delta
30 Sep - 18 Oct Iberia
17 Sep - 21 Oct LEVEL direct
03 Sep - 17 Sep Delta
11 Sep - 23 Sep Delta
11 Sep - 26 Sep Iberia
12 Sep - 30 Sep Delta
09 Sep - 21 Sep Iberia
12 Sep - 26 Sep Iberia
06 Sep - 29 Sep Delta
11 Sep - 30 Sep Delta
06 Sep - 28 Sep Iberia

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

Skyscanner

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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