Cheapest return SJO–MDE flights, September

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

Return flights

14 Sep - 20 Sep Wingo direct
16 Sep - 20 Sep Arajet
13 Sep - 18 Sep Avianca direct
14 Sep - 18 Sep Wingo direct
11 Sep - 16 Sep Avianca direct
05 Sep - 06 Sep Avianca direct
15 Sep - 18 Sep Avianca direct
04 Sep - 06 Sep Avianca direct
14 Sep - 19 Sep Avianca direct
03 Sep - 10 Sep Avianca direct
26 Sep - 03 Oct Avianca direct
28 Sep - 02 Oct Avianca direct

Also check the deals for one-way flights from San Jose 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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