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

Return flights

23 Oct - 27 Oct	Avianca	direct
11 Oct - 21 Oct	Avianca	direct
30 Oct - 03 Nov	Avianca	direct
23 Oct - 26 Oct	Copa
31 Oct - 03 Nov	Copa
27 Oct - 19 Nov	Avianca
11 Oct - 14 Oct	Avianca
01 Oct - 05 Oct	Copa
02 Oct - 05 Oct	Avianca	direct
01 Oct - 05 Oct	Avianca	direct
31 Oct - 03 Nov	Avianca	direct
23 Oct - 26 Oct	Avianca	direct
10 Oct - 16 Oct	Avianca
09 Oct - 26 Oct	Spirit Airlines
29 Oct - 01 Nov	Spirit Airlines
21 Oct - 01 Nov	Spirit Airlines
26 Oct - 01 Nov	Spirit Airlines
19 Oct - 01 Nov	Spirit Airlines
21 Oct - 03 Nov	Spirit Airlines
29 Oct - 03 Nov	Spirit Airlines

Also check the deals for one-way 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 return flights from Rio Negro to San Juan in October from 211€

Return flights