Cheapest one-way flights from Washington to Cancun in April from $163

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

One-Way flights

25 Apr Frontier Airlines
08 Apr Frontier Airlines
28 Apr United direct
08 Apr United direct
27 Apr United direct
06 Apr Frontier Airlines
05 Apr Frontier Airlines
04 Apr Frontier Airlines
16 Apr Frontier Airlines
16 Apr United direct

Also check the deals for return flights from Washington to Cancun in April.

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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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