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

Return flights

27 Jan - 06 Feb	United	direct
27 Jan - 05 Feb	United	direct
10 Jan - 16 Jan	United	direct
28 Jan - 03 Feb	United
28 Jan - 05 Feb	United
28 Jan - 06 Feb	United
28 Jan - 04 Feb	United
07 Jan - 12 Jan	United	direct
30 Jan - 02 Feb	United
05 Jan - 08 Jan	Delta
05 Jan - 09 Jan	United
28 Jan - 02 Feb	Aeromexico
21 Jan - 25 Jan	Delta
23 Jan - 26 Jan	Aeromexico
16 Jan - 19 Jan	Aeromexico
09 Jan - 13 Jan	United
21 Jan - 25 Jan	United	direct
15 Jan - 19 Jan	Aeromexico
29 Jan - 01 Feb	Aeromexico

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 214€

Return flights