AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Cancun (CUN) in December 2025 (see full year).

Return flights

05 Dec - 12 Dec	Frontier Airlines
07 Dec - 12 Dec	Frontier Airlines
13 Dec - 20 Dec	Frontier Airlines
13 Dec - 19 Dec	Frontier Airlines
13 Dec - 21 Dec	Frontier Airlines
05 Dec - 07 Dec	Frontier Airlines
12 Dec - 15 Dec	United
10 Dec - 16 Dec	Frontier Airlines
25 Dec - 08 Jan	Frontier Airlines
04 Dec - 07 Dec	Frontier Airlines
23 Dec - 30 Dec	Frontier Airlines
24 Dec - 04 Jan	Frontier Airlines
29 Dec - 02 Jan	Frontier Airlines
29 Dec - 03 Jan	Breeze Airways
25 Dec - 08 Jan	Delta	direct
29 Dec - 02 Jan	Delta	direct
29 Dec - 03 Jan	Delta	direct
24 Dec - 04 Jan	Delta	direct

Also check the deals for one-way flights from Raleigh-durham to Cancun in December.

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 December from 253€

Return flights