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

Return flights

25 Oct - 28 Oct	Avianca
23 Oct - 26 Oct	Avianca
20 Oct - 21 Oct	Avianca
20 Oct - 21 Oct	Avianca	direct
28 Oct - 05 Nov	Copa
22 Oct - 28 Oct	Copa
23 Oct - 30 Oct	Copa
20 Oct - 24 Oct	Copa
30 Oct - 18 Nov	Viva
30 Oct - 10 Nov	Viva
20 Oct - 26 Oct	Avianca	direct
28 Oct - 05 Nov	Avianca	direct
31 Oct - 18 Nov	Viva
24 Oct - 10 Nov	Viva
27 Oct - 10 Nov	Viva
31 Oct - 10 Nov	Viva
23 Oct - 10 Nov	Viva
24 Oct - 27 Oct	Copa
22 Oct - 29 Oct	Avianca	direct
30 Oct - 05 Nov	Avianca	direct

Also check the deals for one-way flights from Cancun 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 Cancun to Rio Negro in October from 229€

Return flights