Cheapest one-way flights from Madrid to San Juan in December from 374€

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

One-Way flights

09 Dec Iberia direct
17 Dec Iberia direct
07 Dec British Airways direct
14 Dec British Airways direct
25 Dec Iberia direct
26 Dec Iberia direct
31 Dec Avianca
19 Dec Iberia direct
31 Dec Iberia direct

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