Flights from Singapore to San Juan from S $ 1,558*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Singapore (SIN) to San Juan (SJU)

Mar 2026
FromS $ 3,043*
Viewed: 10 hours ago
RoundTrip|Economy
Apr 2026
FromS $ 1,757*
Viewed: 10 hours ago
RoundTrip|Economy
May 2026
FromS $ 1,558*
Viewed: 10 hours ago
RoundTrip|Economy
S $ 1.8K
S $ 6.4K
Displaying fares for March-2026
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    • RangeS $ 1,757-S $ 6,372

    *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 Singapore (SIN) to San Juan (SJU) flights

    S $
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    More United deals on Singapore (SIN) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		06/05/2026 - 10/05/2026

    from

    S $ 1,558

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		03/05/2026 - 07/05/2026

    from

    S $ 1,558

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		04/05/2026 - 08/05/2026

    from

    S $ 1,558

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		05/05/2026 - 09/05/2026

    from

    S $ 1,558

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		05/05/2026 - 12/05/2026

    from

    S $ 1,587

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		03/05/2026 - 10/05/2026

    from

    S $ 1,608

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		04/05/2026 - 11/05/2026

    from

    S $ 1,652

    Viewed: 10 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		07/05/2026 - 11/05/2026

    from

    S $ 1,652

    Viewed: 10 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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