Flights from Harlingen to San Juan from $ 684*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Harlingen (HRL) to San Juan (SJU)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
No result for this month
May 2026
From$ 786*
Viewed: 4 hours ago
RoundTrip|Economy
Displaying fares for March-2026
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    • *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 Harlingen (HRL) to San Juan (SJU) flights

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    More United deals on Harlingen (HRL) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		06/02/26 - 06/06/26

    from

    $ 684

    Viewed: 15 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		05/28/26 - 06/01/26

    from

    $ 786

    Viewed: 4 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		06/02/26 - 06/06/26

    from

    $ 845

    Viewed: 15 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		05/28/26 - 06/01/26

    from

    $ 898

    Viewed: 4 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		07/13/26 - 07/18/26

    from

    $ 976

    Viewed: 17 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		07/13/26 - 07/18/26

    from

    $ 1,151

    Viewed: 17 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		06/02/26 - 06/06/26

    from

    $ 1,265

    Viewed: 15 hours ago

    Harlingen (HRL)San Juan (SJU)Roundtrip
    |
    Economy    		07/19/26 - 07/25/26

    from

    $ 878

    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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