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

Return flights

28 Aug - 31 Aug	Avianca	direct
21 Aug - 25 Aug	Avianca	direct
23 Aug - 30 Aug	Avianca
24 Aug - 02 Sep	Avianca
23 Aug - 12 Sep	Spirit Airlines
13 Aug - 20 Aug	Copa
26 Aug - 12 Sep	Spirit Airlines
24 Aug - 01 Sep	Avianca	direct
15 Aug - 12 Sep	Avianca
19 Aug - 29 Aug	Avianca
24 Aug - 28 Aug	Avianca
17 Aug - 24 Aug	Avianca
13 Aug - 17 Aug	Avianca
17 Aug - 25 Aug	Avianca
15 Aug - 22 Aug	Avianca
23 Aug - 04 Sep	Spirit Airlines
15 Aug - 15 Sep	Avianca
27 Aug - 12 Sep	Spirit Airlines
26 Aug - 04 Sep	Spirit Airlines
30 Aug - 12 Sep	Spirit Airlines

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

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Cheapest return flights from Rio Negro to San Juan in August from 246€

Return flights