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

Return flights

12 Apr - 16 Apr	Delta
20 Apr - 23 Apr	Delta
20 Apr - 24 Apr	Delta
11 Apr - 15 Apr	Frontier Airlines
11 Apr - 14 Apr	Frontier Airlines
18 Apr - 30 Apr	Delta
25 Apr - 02 May	Air Canada
29 Apr - 04 May	Delta
20 Apr - 28 Apr	Frontier Airlines
29 Apr - 01 May	Frontier Airlines
18 Apr - 25 Apr	jetBlue
13 Apr - 18 Apr	Frontier Airlines
30 Apr - 03 May	Frontier Airlines
30 Apr - 04 May	Delta
07 Apr - 13 Apr	Aeromexico
29 Apr - 03 May	Frontier Airlines

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

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 April from 302€

Return flights