AirHint found the following cheapest return flights from Barcelona (BCN) to San Juan (SJU) in August 2026 (see full year).

Return flights

03 Aug - 10 Aug	Iberia
17 Aug - 24 Aug	Iberia
20 Aug - 30 Aug	Iberia
03 Aug - 09 Aug	Iberia
05 Aug - 20 Aug	Iberia
02 Aug - 09 Aug	Iberia
10 Aug - 23 Aug	Iberia
10 Aug - 16 Aug	Iberia
01 Aug - 15 Aug	Iberia
01 Aug - 16 Aug	Iberia

Also check the deals for one-way flights from Barcelona to San Juan in August.

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 San Juan in August from 896€

Return flights