San Diego International (SAN) to Cancun International (CUN).
| Departure | Return | Price |
|---|---|---|
| 07/07/2026 | 07/14/2026 | $373 |
| 07/07/2026 | 07/15/2026 | $373 |
| 07/08/2026 | 07/14/2026 | $373 |
| 07/08/2026 | 07/15/2026 | $373 |
| 07/14/2026 | 07/21/2026 | $373 |
| 07/14/2026 | 07/22/2026 | $373 |
| 07/15/2026 | 07/21/2026 | $373 |
| 07/15/2026 | 07/22/2026 | $373 |
| 07/28/2026 | 08/04/2026 | $373 |
| 07/28/2026 | 08/05/2026 | $373 |
Based on current fares, August is the cheapest month to fly from San Diego to Cancun, with average fares around $387 round trip (as low as $373).
See the full month-by-month and day-of-week price analysis
Best Time to Fly SAN → CUNDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from San Diego to Cancun is August, with average round-trip fares around $387. Fares in August start as low as $373. The most expensive month is May, averaging $443.
A nonstop flight from San Diego to Cancun takes approximately 4h 30m.
The cheapest flight from San Diego to Cancun currently starts at $373 round trip in economy class.
The average round-trip flight price from San Diego to Cancun is $440 in economy class.
The distance is 2070 miles (3331 km). with a nonstop flight time of about 4h 30m. The lowest fare currently available is $373 departing in July. The average round-trip fare is $440.
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