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

Return flights

21 Mar - 25 Mar	Copa
21 Mar - 25 Mar	Avianca	direct
20 Mar - 25 Mar	Avianca	direct
06 Mar - 13 Mar	Copa
16 Mar - 23 Mar	Copa
03 Mar - 09 Mar	Copa
28 Mar - 02 Apr	jetBlue	direct
05 Mar - 09 Mar	Avianca
29 Mar - 03 Apr	jetBlue	direct
16 Mar - 23 Mar	Avianca	direct
03 Mar - 18 Mar	Spirit Airlines
29 Mar - 04 Apr	jetBlue
26 Mar - 01 Apr	Copa
03 Mar - 24 Mar	Spirit Airlines
16 Mar - 01 Apr	Spirit Airlines
28 Mar - 01 Apr	Spirit Airlines
16 Mar - 04 Apr	Spirit Airlines
26 Mar - 04 Apr	Spirit Airlines
28 Mar - 04 Apr	Spirit Airlines
16 Mar - 02 Apr	Spirit Airlines

Also check the deals for one-way flights from San Juan 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 Juan to Rio Negro in March from 145€

Return flights