Cheapest one-way flights from Madrid to San Juan in October from 472€

Best time to book flights for Madrid (MAD) to San Juan (SJU) flights at AirHint

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

One-Way flights

06 Oct Iberia
06 Oct Finnair direct

Also check the deals for return flights from Madrid to San Juan in October.

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