Cheapest one-way flights from San Juan to Madrid in September from 212€

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

One-Way flights

21 Sep Frontier Airlines
24 Sep Frontier Airlines
20 Sep Frontier Airlines
19 Sep Frontier Airlines
18 Sep Frontier Airlines
13 Sep Frontier Airlines
27 Sep Spirit Airlines
14 Sep Spirit Airlines
12 Sep Spirit Airlines
11 Sep Spirit Airlines

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

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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