AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Cancun (CUN) in May 2026 (see full year).

Return flights

22 May - 28 May	Aeromexico
02 May - 09 May	Aeromexico
01 May - 08 May	Aeromexico
22 May - 25 May	Aeromexico
26 May - 31 May	Aeromexico
15 May - 19 May	Aeromexico
07 May - 10 May	Aeromexico
15 May - 22 May	Aeromexico
23 May - 30 May	Aeromexico
22 May - 27 May	Aeromexico
29 May - 02 Jun	Aeromexico
28 May - 02 Jun	Aeromexico

Also check the deals for one-way flights from Raleigh-durham to Cancun 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 Raleigh-durham to Cancun in May from $317

Return flights