Cheapest return flights from Madrid to San Juan in December from $622

Best time to book flights for Madrid (MAD) to San Juan (SJU) flights at AirHint

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

Return flights

30 Dec - 13 Jan British Airways
02 Dec - 11 Dec Finnair direct
30 Dec - 13 Jan Finnair direct
06 Dec - 15 Dec British Airways
14 Dec - 23 Dec British Airways
06 Dec - 14 Dec British Airways
02 Dec - 08 Dec Iberia
06 Dec - 15 Dec Finnair direct
06 Dec - 14 Dec Finnair direct
11 Dec - 20 Dec British Airways
01 Dec - 08 Dec United
08 Dec - 05 Jan Finnair direct
01 Dec - 15 Dec United
29 Dec - 07 Jan British Airways
20 Dec - 17 Jan Iberia
29 Dec - 07 Jan Finnair direct
30 Dec - 07 Jan Finnair direct
27 Dec - 02 Jan Finnair direct
27 Dec - 03 Jan Finnair direct
26 Dec - 03 Jan Finnair direct

Also check the deals for one-way 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.

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