Cheapest return flights from Barcelona to San Juan in October from $668

AirHint found the following cheapest return flights from Barcelona (BCN) to San Juan (SJU) in October 2025 (see full year).

Return flights

09 Oct - 22 Oct Lufthansa
06 Oct - 19 Oct Lufthansa
21 Oct - 07 Nov United
01 Oct - 08 Oct United
09 Oct - 15 Oct Lufthansa
19 Oct - 26 Oct Ryanair
06 Oct - 12 Oct United
23 Oct - 27 Oct United
10 Oct - 18 Oct United
04 Oct - 30 Oct Lufthansa
31 Oct - 09 Nov Lufthansa
20 Oct - 26 Oct TAP

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

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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