AirHint found the following cheapest return flights from San Juan (SJU) to Rio Negro (MDE) in October 2025 (see full year).

Return flights

22 Oct - 29 Oct	Copa
30 Oct - 06 Nov	Copa
11 Oct - 18 Oct	Copa
02 Oct - 23 Oct	Spirit Airlines
02 Oct - 06 Oct	Spirit Airlines
21 Oct - 26 Oct	Avianca	direct
02 Oct - 18 Oct	Spirit Airlines
09 Oct - 13 Oct	Copa
20 Oct - 23 Oct	Spirit Airlines
22 Oct - 23 Oct	Spirit Airlines
07 Oct - 23 Oct	Spirit Airlines
16 Oct - 04 Nov	Spirit Airlines
26 Oct - 04 Nov	Spirit Airlines
29 Oct - 04 Nov	jetBlue	direct
20 Oct - 04 Nov	Spirit Airlines
28 Oct - 04 Nov	Spirit Airlines
22 Oct - 04 Nov	Spirit Airlines
21 Oct - 04 Nov	Spirit Airlines
26 Oct - 06 Nov	Spirit Airlines
20 Oct - 06 Nov	Spirit Airlines

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

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 October from 178€

Return flights