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

Return flights

03 Mar - 10 Mar	LEVEL
02 Mar - 08 Mar	American Airlines
23 Mar - 01 Apr	LEVEL
03 Mar - 08 Mar	Iberia
05 Mar - 15 Mar	LEVEL
11 Mar - 22 Mar	LEVEL
07 Mar - 15 Mar	LEVEL
24 Mar - 06 Apr	United
26 Mar - 07 Apr	United
26 Mar - 05 Apr	United
23 Mar - 05 Apr	United
06 Mar - 21 Mar	Iberia
26 Mar - 06 Apr	United
07 Mar - 14 Mar	Iberia
15 Mar - 24 Mar	LEVEL
28 Mar - 06 Apr	Ryanair
29 Mar - 12 Apr	Ryanair
29 Mar - 05 Apr	Ryanair
27 Mar - 06 Apr	easyJet

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 439€

Return flights