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

Return flights

14 Sep - 26 Sep	Avianca
14 Sep - 23 Sep	Avianca
22 Sep - 26 Sep	Avianca
22 Sep - 23 Sep	Avianca
13 Sep - 26 Sep	Avianca
13 Sep - 23 Sep	Avianca
16 Sep - 26 Sep	Avianca
16 Sep - 23 Sep	Avianca
21 Sep - 26 Sep	Avianca
21 Sep - 23 Sep	Avianca
14 Sep - 04 Oct	Avianca
14 Sep - 05 Oct	Avianca
14 Sep - 02 Oct	Avianca
30 Sep - 18 Oct	Avianca
30 Sep - 20 Oct	Avianca
14 Sep - 03 Oct	Avianca
30 Sep - 07 Oct	Avianca
30 Sep - 04 Oct	Avianca
30 Sep - 05 Oct	Avianca
30 Sep - 02 Oct	Avianca

Also check the deals for one-way flights from Rio Negro to Cancun in September.

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from Rio Negro to Cancun in September from $296

Return flights