Cheapest return flights from Washington to Cancun in April from $342

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

Return flights

28 Apr - 01 May United direct
22 Apr - 29 Apr United direct
14 Apr - 21 Apr United direct
12 Apr - 16 Apr United direct
12 Apr - 17 Apr Frontier Airlines
15 Apr - 22 Apr Frontier Airlines
26 Apr - 02 May Frontier Airlines
14 Apr - 20 Apr Frontier Airlines
24 Apr - 27 Apr Frontier Airlines
15 Apr - 20 Apr Frontier Airlines
11 Apr - 15 Apr United direct
17 Apr - 22 Apr United direct
26 Apr - 02 May United direct
29 Apr - 04 May United direct
30 Apr - 04 May Aeromexico
27 Apr - 03 May United direct
29 Apr - 03 May United direct
30 Apr - 03 May Frontier Airlines
30 Apr - 03 May United direct

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

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