AirHint found the following cheapest return flights from Cancun (CUN) to Rio Negro (MDE) in May 2026 (see full year).

Return flights

24 May - 28 May	Viva
22 May - 28 May	Viva
12 May - 28 May	Viva
26 May - 28 May	Viva
16 May - 28 May	Viva
12 May - 14 May	Viva
24 May - 28 May	Avianca	direct
18 May - 28 May	Viva
03 May - 08 May	Viva
03 May - 07 May	Viva

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

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 May from $303

Return flights