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

Return flights

05 Mar - 12 Mar	Iberia	direct
02 Mar - 10 Mar	Iberia	direct
02 Mar - 09 Mar	Iberia	direct
03 Mar - 10 Mar	Iberia
02 Mar - 08 Mar	Iberia	direct
09 Mar - 16 Mar	Finnair	direct
11 Mar - 24 Mar	Iberia	direct
03 Mar - 14 Mar	Finnair	direct
05 Mar - 14 Mar	Iberia	direct
03 Mar - 13 Mar	Iberia	direct
26 Mar - 07 Apr	Iberia
21 Mar - 10 Apr	Iberia	direct
26 Mar - 07 Apr	British Airways	direct
30 Mar - 06 Apr	TAP
30 Mar - 07 Apr	TAP
23 Mar - 05 Apr	Iberia	direct
31 Mar - 07 Apr	Iberia
26 Mar - 05 Apr	Iberia	direct
25 Mar - 04 Apr	Iberia	direct
30 Mar - 05 Apr	TAP

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 $594

Return flights