Cheapest one-way flights from Washington to Cancun in May from $161
AirHint found the following cheapest one-way flights from Washington (IAD) to Cancun (CUN) in May 2025 (see full year).
One-Way flights
| 04 May | Frontier Airlines | ||
| 28 May | Volaris El Salvador | ||
| 04 May | United | direct | |
| 28 May | United | direct | |
| 30 May | Frontier Airlines |
Also check the deals for return flights from Washington to Cancun in May.
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.
