Cheapest return flights from Barcelona to San Juan in September from $614

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

Return flights

17 Sep - 27 Sep Iberia
06 Sep - 27 Sep Iberia
13 Sep - 20 Sep Iberia
18 Sep - 27 Sep Iberia
18 Sep - 30 Sep Iberia
01 Sep - 15 Sep Iberia
03 Sep - 07 Sep LEVEL
01 Sep - 10 Sep United
18 Sep - 18 Sep Iberia
06 Sep - 11 Sep Vueling Airlines

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

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