Cheapest one-way flights from San Juan to Barcelona in April from $317

Best time to book flights for San Juan (SJU) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from San Juan (SJU) to Barcelona (BCN) in April 2025 (see full year).

One-Way flights

07 Apr Frontier Airlines
25 Apr Frontier Airlines
19 Apr Frontier Airlines
20 Apr Delta

Also check the deals for return flights from San Juan to Barcelona in April.

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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