AirHint found the following cheapest one-way flights from Madrid (MAD) to San Juan (SJU) in May 2026 (see full year).
One-Way flights
| 14 May | Avianca | ||
| 08 May | Avianca | ||
| 19 May | Iberia | ||
| 27 May | Avianca | ||
| 03 May | Volotea | ||
| 29 May | Iberia | ||
| 19 May | Iberia | direct | |
| 14 May | Iberia | direct | |
| 29 May | Iberia | direct | |
| 09 May | Iberia | direct |
Also check the deals for return flights from Madrid to San Juan in May.
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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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