Flights from Singapore to San Francisco from S $ 1,110*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Singapore (SIN) to San Francisco (SFO)

May 2026
FromS $ 1,171*
Viewed: 12 hours ago
RoundTrip|Economy
Jun 2026
FromS $ 1,110*
Viewed: 1 day ago
RoundTrip|Economy
Jul 2026
FromS $ 1,556*
Viewed: 12 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label S $ 1.2K
cmp-daily-histogram-bars-legend-max-price-aria-label S $ 2.3K
Displaying fares for May-2026
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    • RangeS $ 1,171-S $ 2,346

    *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 Francisco (SFO) flights

    S $
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    More United deals on Singapore (SIN) to San Francisco (SFO) flights
    From
    To
    Fare Type
    Dates
    Price
    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		14/06/2026 - 14/07/2026

    from

    S $ 1,110

    Viewed: 2 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		10/06/2026 - 05/07/2026

    from

    S $ 1,161

    Viewed: 2 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		12/05/2026 - 19/05/2026

    from

    S $ 1,171

    Viewed: 12 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/05/2026 - 11/05/2026

    from

    S $ 1,205

    Viewed: 12 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		08/05/2026 - 12/05/2026

    from

    S $ 1,205

    Viewed: 12 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		18/05/2026 - 25/05/2026

    from

    S $ 1,253

    Viewed: 6 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		11/05/2026 - 25/05/2026

    from

    S $ 1,253

    Viewed: 12 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		16/06/2026 - 14/07/2026

    from

    S $ 1,110

    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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