Cheapest one-way flights from San Juan to Madrid in January from $274

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

One-Way flights

12 Jan Frontier Airlines
30 Jan Frontier Airlines
29 Jan Frontier Airlines
25 Jan Frontier Airlines
09 Jan Frontier Airlines
31 Jan Frontier Airlines
13 Jan Frontier Airlines
22 Jan Frontier Airlines
11 Jan Frontier Airlines
23 Jan Spirit Airlines

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

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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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