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

Return flights

11 May - 25 May	British Airways	direct
16 May - 24 May	Iberia
15 May - 24 May	British Airways	direct
29 May - 03 Jun	Iberia	direct
28 May - 03 Jun	Iberia	direct
23 May - 31 May	Iberia
22 May - 31 May	British Airways	direct
28 May - 14 Jun	Iberia	direct
16 May - 24 May	Iberia	direct

Also check the deals for one-way flights from San Juan to Madrid in May.

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 San Juan to Madrid in May from 630€

Return flights