Cheapest one-way flights from San Juan to Rio Negro in December from $72

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

One-Way flights

11 Dec Avianca
16 Dec Avianca direct
07 Dec jetBlue direct
03 Dec Avianca
11 Dec Avianca direct
10 Dec Spirit Airlines
14 Dec Copa
06 Dec Spirit Airlines
14 Dec Avianca direct
17 Dec jetBlue direct

Also check the deals for return flights from San Juan to Rio Negro 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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