Flights from Louisville to San Juan from $ 366*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Louisville (SDF) to San Juan (SJU)

Apr 2026
From$ 484*
Viewed: 13 hours ago
RoundTrip|Economy
May 2026
From$ 366*
Viewed: 13 hours ago
RoundTrip|Economy
Jun 2026
From$ 416*
Viewed: 13 hours ago
RoundTrip|Economy
$ 366
$ 643
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    • Range$ 366-$ 643

    *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 Louisville (SDF) to San Juan (SJU) flights

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    More United deals on Louisville (SDF) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/19/26 - 05/23/26

    from

    $ 366

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/24/26 - 05/28/26

    from

    $ 366

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/05/26 - 05/19/26

    from

    $ 391

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/16/26 - 05/20/26

    from

    $ 391

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/12/26 - 05/19/26

    from

    $ 391

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/06/26 - 05/20/26

    from

    $ 391

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/27/26 - 06/03/26

    from

    $ 394

    Viewed: 13 hours ago

    Louisville (SDF)San Juan (SJU)Roundtrip
    |
    Economy    		05/10/26 - 05/14/26

    from

    $ 396

    Viewed: 13 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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