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

Return flights

02 Mar - 10 Mar	LEVEL
02 Mar - 16 Mar	LEVEL
10 Mar - 17 Mar	LEVEL
05 Mar - 09 Mar	LEVEL
02 Mar - 11 Mar	Iberia
03 Mar - 08 Mar	LEVEL
02 Mar - 05 Mar	LEVEL
02 Mar - 22 Mar	LEVEL
01 Mar - 13 Mar	Iberia
05 Mar - 13 Mar	Iberia
30 Mar - 04 Apr	LEVEL
24 Mar - 02 Apr	Iberia
29 Mar - 05 Apr	Scandinavian Airlines
27 Mar - 07 Apr	Vueling Airlines
28 Mar - 14 Apr	Transavia France
29 Mar - 06 Apr	Ryanair
26 Mar - 03 Apr	Vueling Airlines
27 Mar - 04 Apr	Vueling Airlines
27 Mar - 03 Apr	Vueling Airlines
28 Mar - 04 Apr	Transavia France

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

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 March from $458

Return flights