Cheapest return flights from Madrid to San Juan in December from 681€

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

02 Dec - 15 Dec Finnair direct
02 Dec - 10 Dec Finnair direct
02 Dec - 13 Dec Finnair direct
03 Dec - 10 Dec United
02 Dec - 12 Dec Finnair direct
04 Dec - 14 Dec Finnair direct
01 Dec - 09 Dec United
01 Dec - 13 Dec Fly Play
11 Dec - 22 Dec British Airways
11 Dec - 22 Dec Finnair direct
30 Dec - 07 Jan United
31 Dec - 11 Jan Lufthansa
29 Dec - 08 Jan Iberia
30 Dec - 07 Jan Finnair direct
25 Dec - 05 Jan Finnair direct
29 Dec - 07 Jan Finnair direct
29 Dec - 08 Jan Finnair direct
17 Dec - 02 Jan Finnair direct
26 Dec - 05 Jan Finnair direct
24 Dec - 04 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan