Cheapest one-way flights from Key West to Cancun in May from $197
AirHint found the following cheapest one-way flights from Key West (EYW) to Cancun (CUN) in May 2025 (see full year).
One-Way flights
| 17 May | Allegiant Air | ||
| 23 May | Allegiant Air | ||
| 16 May | Allegiant Air | ||
| 26 May | jetBlue | ||
| 19 May | Allegiant Air |
Also check the deals for return flights from Key West 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.
