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

Return flights

04 Mar - 11 Mar	Iberia	direct
05 Mar - 12 Mar	Iberia
02 Mar - 12 Mar	Iberia
03 Mar - 11 Mar	Finnair	direct
04 Mar - 12 Mar	Iberia	direct
09 Mar - 19 Mar	Iberia
05 Mar - 12 Mar	Finnair	direct
02 Mar - 12 Mar	Finnair	direct
12 Mar - 19 Mar	Iberia
14 Mar - 24 Mar	Iberia	direct
26 Mar - 02 Apr	British Airways
30 Mar - 05 Apr	TAP
29 Mar - 05 Apr	TAP
26 Mar - 07 Apr	Delta
31 Mar - 05 Apr	TAP
28 Mar - 05 Apr	WORLD2FLY
27 Mar - 05 Apr	TAP
27 Mar - 04 Apr	TAP
30 Mar - 05 Apr	Iberia	direct
31 Mar - 05 Apr	Iberia	direct

Also check the deals for one-way flights from Madrid 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 Madrid to San Juan in March from 508€

Return flights