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

Return flights

13 Oct - 16 Oct	Delta
13 Oct - 17 Oct	Delta
19 Oct - 23 Oct	Delta
28 Oct - 31 Oct	Delta
24 Oct - 31 Oct	jetBlue
13 Oct - 18 Oct	Air Canada
04 Oct - 06 Oct	Air Canada
04 Oct - 07 Oct	Air Canada
02 Oct - 06 Oct	Air Canada
05 Oct - 08 Oct	Air Canada
29 Oct - 02 Nov	United
25 Oct - 01 Nov	Delta
28 Oct - 02 Nov	Aeromexico
30 Oct - 03 Nov	Southwest Airlines

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

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 October from 285€

Return flights