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

Return flights

17 Oct - 21 Oct	Copa
17 Oct - 20 Oct	Avianca
19 Oct - 25 Oct	Copa
24 Oct - 08 Nov	Copa
16 Oct - 20 Oct	Copa
10 Oct - 13 Oct	Copa
09 Oct - 13 Oct	Copa
24 Oct - 08 Nov	Avianca	direct
20 Oct - 25 Oct	Spirit Airlines
24 Oct - 25 Oct	Spirit Airlines
16 Oct - 25 Oct	Spirit Airlines
19 Oct - 20 Oct	Spirit Airlines
20 Oct - 01 Nov	Spirit Airlines
19 Oct - 01 Nov	Spirit Airlines
24 Oct - 01 Nov	Spirit Airlines
16 Oct - 01 Nov	Spirit Airlines
17 Oct - 01 Nov	Spirit Airlines
20 Oct - 08 Nov	Spirit Airlines
19 Oct - 08 Nov	Spirit Airlines
24 Oct - 12 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 199€

Return flights