AirHint found the following cheapest return flights from Washington (DCA) to Cancun (CUN) in January 2026 (see full year).

Return flights

27 Jan - 05 Feb	jetBlue
27 Jan - 06 Feb	jetBlue
28 Jan - 05 Feb	jetBlue
28 Jan - 04 Feb	jetBlue
28 Jan - 06 Feb	jetBlue
07 Jan - 12 Jan	Aeromexico
05 Jan - 17 Jan	jetBlue
29 Jan - 01 Feb	jetBlue
03 Jan - 08 Jan	Delta
10 Jan - 18 Jan	Delta
27 Jan - 01 Feb	Air Canada
08 Jan - 19 Jan	Air Canada

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

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 Washington to Cancun in January from $405

Return flights