Flights from San Diego to San Juan from $ 386*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from San Diego (SAN) to San Juan (SJU)

May 2026
From$ 386*
Viewed: 11 hours ago
RoundTrip|Economy
Jun 2026
From$ 386*
Viewed: 1 day ago
RoundTrip|Economy
Jul 2026
From$ 396*
Viewed: 15 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 386
cmp-daily-histogram-bars-legend-max-price-aria-label $ 861
Displaying fares for May-2026
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    • Range$ 386-$ 861

    *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 San Diego (SAN) to San Juan (SJU) flights

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    More United deals on San Diego (SAN) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		03/01/27 - 03/09/27

    from

    $ 386

    Viewed: 10 minutes ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		05/31/26 - 06/05/26

    from

    $ 386

    Viewed: 11 hours ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		08/04/26 - 08/18/26

    from

    $ 386

    Viewed: 15 hours ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		08/04/26 - 08/11/26

    from

    $ 392

    Viewed: 15 hours ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		07/28/26 - 08/11/26

    from

    $ 396

    Viewed: 15 hours ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		05/31/26 - 06/04/26

    from

    $ 427

    Viewed: 15 hours ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		08/03/26 - 08/10/26

    from

    $ 427

    Viewed: 15 hours ago

    San Diego (SAN)San Juan (SJU)Roundtrip
    |
    Economy    		06/01/26 - 06/05/26

    from

    $ 428

    Viewed: 15 hours 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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