AirHint found the following cheapest return flights from Jacksonville (JAX) to Cancun (CUN) in May 2026 (see full year).
Return flights
| 01 May - 06 May | Delta | ||
| 11 May - 14 May | Delta | ||
| 14 May - 17 May | Southwest Airlines | ||
| 06 May - 09 May | Frontier Airlines | ||
| 07 May - 09 May | United | ||
| 22 May - 25 May | Southwest Airlines |
Also check the deals for one-way flights from Jacksonville to Cancun in May.
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