AirHint found the following cheapest return flights from San Juan (SJU) to Rio Negro (MDE) in August 2026 (see full year).

Return flights

21 Aug - 26 Aug	Copa
28 Aug - 08 Sep	Copa
21 Aug - 26 Aug	Avianca	direct
28 Aug - 31 Aug	jetBlue	direct
11 Aug - 17 Aug	Copa
11 Aug - 17 Aug	Avianca	direct
28 Aug - 08 Sep	Avianca	direct
01 Aug - 09 Aug	Arajet
01 Aug - 09 Aug	Avianca	direct
11 Aug - 12 Aug	Spirit Airlines
04 Aug - 12 Aug	Spirit Airlines
04 Aug - 05 Aug	Spirit Airlines
21 Aug - 08 Sep	Spirit Airlines

Also check the deals for one-way flights from San Juan to Rio Negro in August.

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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Cheapest return flights from San Juan to Rio Negro in August from $213

Return flights