AirHint found the following cheapest return flights from San Diego (SAN) to Cancun (CUN) in March 2026 (see full year).
Return flights
| 01 Mar - 05 Mar | Frontier Airlines | ||
| 05 Mar - 09 Mar | Frontier Airlines | ||
| 15 Mar - 15 Apr | Frontier Airlines | ||
| 19 Mar - 24 Mar | Hawaiian Airlines | ||
| 29 Mar - 03 Apr | Aeromexico |
Also check the deals for one-way flights from San Diego to Cancun in March.
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