Cheapest return SJU–MDE flights, September

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

Return flights

18 Sep - 20 Sep Avianca direct
22 Sep - 27 Sep Avianca direct
05 Sep - 10 Sep Avianca direct
06 Sep - 10 Sep Avianca direct
07 Sep - 10 Sep Avianca direct
08 Sep - 10 Sep Avianca direct
11 Sep - 12 Sep Avianca direct
11 Sep - 15 Sep Avianca direct
11 Sep - 16 Sep Avianca direct
11 Sep - 17 Sep Avianca direct
25 Sep - 02 Oct Copa
25 Sep - 02 Oct Avianca direct

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

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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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