Cheapest return flights from Barcelona to San Juan in September from 581€

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

Return flights

01 Sep - 14 Sep United
21 Sep - 30 Sep United
17 Sep - 26 Sep United
14 Sep - 07 Oct Lufthansa
07 Sep - 18 Sep United
01 Sep - 15 Sep British Airways
02 Sep - 11 Sep United
09 Sep - 18 Sep United
01 Sep - 09 Sep United
30 Sep - 08 Oct United
18 Sep - 29 Sep British Airways
12 Sep - 16 Sep Wizz Air Malta

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

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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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