Cheapest return flights from Madrid to San Juan in December from $624

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
29 Dec - 16 Jan Finnair
08 Dec - 17 Dec Finnair direct
30 Dec - 13 Jan Finnair direct
07 Dec - 19 Dec Finnair direct
06 Dec - 13 Dec Iberia direct
05 Dec - 14 Dec Iberia
04 Dec - 11 Dec Delta
29 Dec - 06 Jan Iberia
23 Dec - 03 Jan Iberia
26 Dec - 05 Jan Finnair direct
27 Dec - 05 Jan Finnair direct
27 Dec - 04 Jan Finnair direct
26 Dec - 03 Jan Finnair direct
26 Dec - 04 Jan Finnair direct
25 Dec - 31 Dec Iberia
18 Dec - 27 Dec Finnair
18 Dec - 27 Dec Iberia direct
20 Dec - 27 Dec Finnair direct
17 Dec - 26 Dec Iberia

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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