Cheapest one-way flights from Madrid to San Juan in December from 339€

AirHint found the following cheapest one-way flights from Madrid (MAD) to San Juan (SJU) in December 2025 (see full year).

One-Way flights

10 Dec Wizz Air Malta
01 Dec Iberia
03 Dec Wizz Air Malta
27 Dec Iberia Express
20 Dec Ryanair
10 Dec Iberia direct
27 Dec Finnair direct
22 Dec Avianca
22 Dec Finnair direct
23 Dec British Airways direct

Also check the deals for return flights from Madrid to San Juan in December.

Skyscanner

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

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