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 | United | direct | |
| 28 Apr | Frontier Airlines | ||
| 29 Apr | Aeromexico | ||
| 18 Apr | Aeromexico | ||
| 18 Apr | United | direct | |
| 17 Apr | Delta | ||
| 13 Apr | United | direct | |
| 12 Apr | Air Canada | ||
| 15 Apr | Air Canada | ||
| 29 Apr | United | direct |
Also check the deals for return flights from Washington to Cancun in April.
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