Cheapest return flights from Madrid to San Juan in December from $671

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

08 Dec - 18 Dec British Airways direct
02 Dec - 10 Dec Iberia
02 Dec - 09 Dec Iberia
10 Dec - 24 Dec Iberia direct
14 Dec - 22 Dec British Airways direct
05 Dec - 14 Dec Iberia direct
05 Dec - 12 Dec Iberia direct
06 Dec - 16 Dec Iberia
06 Dec - 15 Dec Iberia
01 Dec - 15 Dec Finnair
16 Dec - 05 Jan Iberia direct
24 Dec - 05 Jan Iberia direct
25 Dec - 05 Jan Iberia direct
25 Dec - 06 Jan Iberia direct
29 Dec - 11 Jan Iberia
26 Dec - 06 Jan Iberia direct
28 Dec - 05 Jan Iberia direct
25 Dec - 03 Jan British Airways direct
29 Dec - 04 Jan Iberia direct
26 Dec - 03 Jan Iberia 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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