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

Return flights

21 Oct - 28 Oct	Iberia	direct
08 Oct - 15 Oct	Iberia	direct
06 Oct - 15 Oct	British Airways	direct
01 Oct - 07 Oct	United
01 Oct - 09 Oct	United
14 Oct - 21 Oct	Finnair	direct
20 Oct - 30 Oct	Iberia
12 Oct - 21 Oct	United
13 Oct - 21 Oct	Finnair	direct
02 Oct - 09 Oct	Iberia
30 Oct - 06 Nov	Iberia
28 Oct - 10 Nov	United
31 Oct - 07 Nov	United
22 Oct - 04 Nov	British Airways
27 Oct - 03 Nov	Iberia
22 Oct - 04 Nov	Iberia	direct
18 Oct - 02 Nov	Frontier Airlines
31 Oct - 07 Nov	Iberia	direct

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

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 October from 388€

Return flights