AirHint found the following cheapest return flights from San Juan (SJU) to Madrid (MAD) in January 2026 (see full year).

Return flights

26 Jan - 10 Feb	Iberia	direct
27 Jan - 10 Feb	Iberia	direct
27 Jan - 03 Feb	Iberia	direct
28 Jan - 11 Feb	Iberia	direct
25 Jan - 03 Feb	Iberia	direct
27 Jan - 17 Feb	Iberia
26 Jan - 06 Feb	Iberia
30 Jan - 03 Feb	Iberia	direct
24 Jan - 03 Feb	Iberia
24 Jan - 04 Feb	Iberia
24 Jan - 31 Jan	Iberia
24 Jan - 30 Jan	Frontier Airlines
23 Jan - 31 Jan	Spirit Airlines
22 Jan - 30 Jan	Spirit Airlines
23 Jan - 30 Jan	Spirit Airlines
21 Jan - 31 Jan	Frontier Airlines
25 Jan - 29 Jan	Iberia
19 Jan - 29 Jan	United
22 Jan - 29 Jan	jetBlue
20 Jan - 28 Jan	Iberia	direct

Also check the deals for one-way flights from San Juan to Madrid in January.

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 Madrid

Cheap car rent in Madrid

Cheapest return flights from San Juan to Madrid in January from 318€

Return flights