Flights from Singapore to San Francisco from S $ 748*

Promotion Code

Changed bag rules and optional services         Cruise Packages

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

Mar 2026
FromS $ 2,050*
Viewed: 4 hours ago
RoundTrip|Economy
Apr 2026
FromS $ 1,203*
Viewed: 19 hours ago
RoundTrip|Economy
May 2026
FromS $ 748*
Viewed: 19 hours ago
RoundTrip|Economy
S $ 1.2K
S $ 4.8K
Displaying fares for March-2026
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    • RangeS $ 1,203-S $ 4,760

    *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    		04/05/2026 - 12/05/2026

    from

    S $ 748

    Viewed: 1 day ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		03/05/2026 - 13/05/2026

    from

    S $ 748

    Viewed: 1 day ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/05/2026 - 14/05/2026

    from

    S $ 893

    Viewed: 1 day ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		03/05/2026 - 10/05/2026

    from

    S $ 748

    Viewed: 19 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		04/05/2026 - 11/05/2026

    from

    S $ 748

    Viewed: 19 hours ago

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

    from

    S $ 748

    Viewed: 19 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		06/05/2026 - 12/05/2026

    from

    S $ 888

    Viewed: 1 hour ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/05/2026 - 14/05/2026

    from

    S $ 893

    Viewed: 19 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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