Cheapest return flights from Washington (DCA) to Cancun (CUN), December

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Dates, airline, and price
Dates Airline Price
31 Dec 14 Jan United
11 Dec 14 Dec Southwest Airlines
30 Dec 05 Jan Delta
12 Dec 19 Dec jetBlue
17 Dec 21 Dec Southwest Airlines
19 Dec 24 Dec jetBlue
19 Dec 23 Dec Air Canada
30 Dec 04 Jan Southwest Airlines
20 Dec 01 Jan Porter Airlines (Canada) Ltd
25 Dec 30 Dec Southwest Airlines
27 Dec 31 Dec Air Canada
29 Dec 03 Jan Aeromexico
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deals for one-way flights from Washington to Cancun in December.

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Updated Jul 7, 2026.

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