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

Return flights

25 Jan - 30 Jan	Frontier Airlines
25 Jan - 30 Jan	United	direct
31 Jan - 05 Feb	United	direct
09 Jan - 16 Jan	Aeromexico
12 Jan - 19 Jan	Aeromexico
08 Jan - 15 Jan	Frontier Airlines
04 Jan - 08 Jan	Delta
08 Jan - 12 Jan	Aeromexico
07 Jan - 12 Jan	Aeromexico
11 Jan - 18 Jan	Frontier Airlines
08 Jan - 11 Jan	Frontier Airlines
26 Jan - 02 Feb	United	direct
30 Jan - 08 Feb	Frontier Airlines
27 Jan - 06 Feb	Aeromexico
27 Jan - 05 Feb	Aeromexico
27 Jan - 06 Feb	United	direct
27 Jan - 05 Feb	United	direct
28 Jan - 05 Feb	United
28 Jan - 06 Feb	United
29 Jan - 02 Feb	United	direct

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from Washington to Cancun in January from 250€

Return flights