Flights from Cancun to San Diego from US $ 518*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Cancun (CUN) to San Diego (SAN)

May 2026
FromUS $ 723*
Viewed: 1 day ago
RoundTrip|Economy
Jun 2026
FromUS $ 518*
Viewed: 1 day ago
RoundTrip|Economy
Jul 2026
FromUS $ 518*
Viewed: 1 day ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label US $ 518
cmp-daily-histogram-bars-legend-max-price-aria-label US $ 748
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    • RangeUS $ 518-US $ 748

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on Cancun (CUN) to San Diego (SAN) flights

    US $
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    More United deals on Cancun (CUN) to San Diego (SAN) flights
    From
    To
    Fare Type
    Dates
    Price
    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		04/08/2026 - 08/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		05/08/2026 - 09/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		16/08/2026 - 20/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		23/08/2026 - 27/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		25/08/2026 - 29/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		04/08/2026 - 11/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		15/08/2026 - 22/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    Cancun (CUN)San Diego (SAN)Roundtrip
    |
    Economy    		18/08/2026 - 25/08/2026

    from

    US $ 518

    Viewed: 1 day ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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