AirHint found the following cheapest return flights from San Juan (SJU) to Rio Negro (MDE) in July 2025 (see full year).

Return flights

18 Jul - 23 Jul	Copa
18 Jul - 22 Jul	Copa
17 Jul - 24 Jul	Copa
14 Jul - 23 Jul	Copa
16 Jul - 22 Jul	Copa
15 Jul - 22 Jul	Copa
09 Jul - 16 Jul	jetBlue	direct
11 Jul - 15 Jul	Copa
11 Jul - 21 Jul	Copa
15 Jul - 24 Jul	Copa
23 Jul - 08 Aug	Copa
31 Jul - 04 Aug	Avianca
28 Jul - 02 Aug	Copa
30 Jul - 06 Aug	Avianca
25 Jul - 02 Aug	Copa
28 Jul - 01 Aug	Copa
31 Jul - 21 Aug	Spirit Airlines
31 Jul - 19 Aug	Spirit Airlines
18 Jul - 05 Aug	Spirit Airlines
30 Jul - 19 Aug	Spirit Airlines

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

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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Cheapest return flights from San Juan to Rio Negro in July from $243

Return flights