Cheapest return flights from Washington to Cancun in December from $420

AirHint found the following cheapest return flights from Washington (DCA) to Cancun (CUN) in December 2025 (see full year).

Return flights

31 Dec - 07 Jan Frontier Airlines
27 Dec - 09 Jan Frontier Airlines
29 Dec - 07 Jan jetBlue
31 Dec - 06 Jan Frontier Airlines
30 Dec - 06 Jan Air Canada
27 Dec - 31 Dec Frontier Airlines
26 Dec - 31 Dec Frontier Airlines
21 Dec - 24 Dec Frontier Airlines
31 Dec - 02 Jan Frontier Airlines
21 Dec - 26 Dec Frontier Airlines
27 Dec - 01 Jan Frontier Airlines
28 Dec - 06 Jan Frontier Airlines
27 Dec - 02 Jan Frontier Airlines
25 Dec - 27 Dec Frontier Airlines
22 Dec - 30 Dec Aeromexico
31 Dec - 05 Jan Frontier Airlines
23 Dec - 31 Dec Aeromexico
26 Dec - 29 Dec Frontier Airlines
22 Dec - 27 Dec Aeromexico
22 Dec - 29 Dec Aeromexico

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

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