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

Return flights

20 May - 27 May	Copa
23 May - 26 May	Copa
09 May - 13 May	Copa
20 May - 26 May	Copa
15 May - 18 May	Copa
31 May - 05 Jun	Copa
25 May - 04 Jun	jetBlue	direct
10 May - 18 May	Spirit Airlines
04 May - 18 May	Spirit Airlines
26 May - 02 Jun	jetBlue	direct
26 May - 03 Jun	jetBlue	direct
09 May - 13 May	Avianca	direct
27 May - 02 Jun	Avianca	direct
31 May - 05 Jun	Avianca	direct
10 May - 27 May	Spirit Airlines
18 May - 27 May	Spirit Airlines
18 May - 02 Jun	Spirit Airlines
15 May - 02 Jun	Spirit Airlines
20 May - 02 Jun	Spirit Airlines
31 May - 02 Jun	Spirit Airlines

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

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 May from $180

Return flights