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

Return flights

29 Apr - 05 May	Iberia
23 Apr - 05 May	Iberia	direct
08 Apr - 15 Apr	Iberia
09 Apr - 20 Apr	Iberia
20 Apr - 26 Apr	Iberia	direct
06 Apr - 13 Apr	Iberia
29 Apr - 05 May	British Airways	direct
17 Apr - 25 Apr	Iberia	direct
03 Apr - 12 Apr	Iberia	direct
06 Apr - 13 Apr	British Airways	direct
02 Apr - 09 Apr	Iberia	direct
02 Apr - 12 Apr	Iberia	direct
02 Apr - 11 Apr	Iberia	direct

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

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 April from 557€

Return flights