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

One-Way flights

09 Oct	Spirit Airlines
08 Oct	Avianca	direct
21 Oct	Spirit Airlines
29 Oct	Spirit Airlines
19 Oct	Spirit Airlines
26 Oct	Spirit Airlines
05 Oct	Spirit Airlines
25 Oct	Spirit Airlines
27 Oct	Spirit Airlines
10 Oct	Spirit Airlines

Also check the deals for return flights from Rio Negro to San Juan 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 one-way flights from Rio Negro to San Juan in October from 147€

One-Way flights