Cheapest one-way flights from San Juan to Madrid in December from $297

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

One-Way flights

03 Dec Frontier Airlines
16 Dec Avianca
14 Dec Arajet
13 Dec Frontier Airlines
23 Dec Avianca
02 Dec Iberia direct
03 Dec Iberia direct
29 Dec American Airlines
22 Dec Frontier Airlines
19 Dec Hahn Air Technologies

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

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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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