Cheapest one-way flights from San Juan to Rio Negro in September from $95

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

One-Way flights

18 Sep Spirit Airlines
04 Sep Spirit Airlines
11 Sep Spirit Airlines
08 Sep Copa
08 Sep jetBlue direct
12 Sep Spirit Airlines
19 Sep Spirit Airlines
04 Sep Avianca direct
06 Sep Spirit Airlines
01 Sep Spirit Airlines

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