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

Return flights

31 Mar - 18 Apr	Iberia	direct
08 Mar - 10 Mar	Iberia	direct
09 Mar - 23 Mar	Iberia	direct
31 Mar - 07 Apr	Iberia	direct
07 Mar - 09 Mar	Iberia
01 Mar - 14 Mar	Delta
01 Mar - 14 Mar	Iberia	direct
05 Mar - 13 Mar	Ryanair
28 Mar - 04 Apr	Iberia
01 Mar - 13 Mar	Vueling Airlines
26 Mar - 30 Mar	TAP
20 Mar - 05 Apr	Vueling Airlines
15 Mar - 04 Apr	Delta
16 Mar - 16 Mar	Iberia

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

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 March from $925

Return flights