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

Return flights

19 Mar - 26 Mar	Wingo	direct
12 Mar - 16 Mar	Wingo	direct
02 Mar - 09 Mar	Wingo	direct
04 Mar - 07 Mar	Avianca	direct
10 Mar - 17 Mar	Copa
06 Mar - 12 Mar	Copa
06 Mar - 13 Mar	Copa
16 Mar - 21 Mar	Copa
26 Mar - 06 Apr	Wingo	direct
06 Mar - 09 Mar	Avianca	direct
06 Mar - 08 Mar	Avianca
26 Mar - 02 Apr	Copa
30 Mar - 06 Apr	Copa
31 Mar - 04 Apr	Copa
31 Mar - 05 Apr	Copa
30 Mar - 05 Apr	Copa
30 Mar - 04 Apr	Copa
27 Mar - 05 Apr	Avianca	direct
29 Mar - 05 Apr	Copa

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

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 Jose to Rio Negro in March from $154

Return flights