AirHint found the following cheapest one-way flights from Madrid (MAD) to San Juan (SJU) in December 2025 (see full year).
One-Way flights
| 09 Dec | Wizz Air Malta | ||
| 10 Dec | Wizz Air Malta | ||
| 10 Dec | Iberia | direct | |
| 15 Dec | American Airlines | ||
| 02 Dec | Ryanair | ||
| 06 Dec | Ryanair | ||
| 06 Dec | Iberia | direct | |
| 05 Dec | Ryanair | ||
| 14 Dec | TAP | ||
| 14 Dec | Iberia | direct |
Also check the deals for return flights from Madrid to San Juan in December.
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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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