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)

May 2026
FromS $ 1,167*
Viewed: 15 hours ago
RoundTrip|Economy
Jun 2026
FromS $ 748*
Viewed: 15 hours ago
RoundTrip|Economy
Jul 2026
FromS $ 919*
Viewed: 15 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label S $ 748
cmp-daily-histogram-bars-legend-max-price-aria-label S $ 1.9K
Displaying fares for May-2026
  • 27

    We

    MAY

  • 28

    Th

  • 29

    Fr

  • 30

    Sa

  • 31

    Su

  • 01

    Mo

    JUN

  • 02

    Tu

  • 03

    We

  • 04

    Th

  • 05

    Fr

  • 06

    Sa

  • 07

    Su

  • 08

    Mo

  • 09

    Tu

  • 10

    We

  • 11

    Th

  • 12

    Fr

  • 13

    Sa

  • 14

    Su

  • 15

    Mo

  • 16

    Tu

  • 17

    We

  • 18

    Th

  • 19

    Fr

  • 20

    Sa

  • 21

    Su

  • 22

    Mo

  • 23

    Tu

  • 24

    We

  • 25

    Th

  • 26

    Fr

    • RangeS $ 748-S $ 1,855

    *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 $
    keyboard_arrow_down
    More United deals on Singapore (SIN) to San Francisco (SFO) flights
    From
    To
    Fare Type
    Dates
    Price
    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		24/06/2026 - 08/07/2026

    from

    S $ 748

    Viewed: 15 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		22/06/2026 - 06/07/2026

    from

    S $ 904

    Viewed: 15 hours ago

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

    from

    S $ 919

    Viewed: 15 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		23/06/2026 - 07/07/2026

    from

    S $ 970

    Viewed: 15 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		01/07/2026 - 08/07/2026

    from

    S $ 971

    Viewed: 15 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		02/06/2026 - 09/06/2026

    from

    S $ 1,063

    Viewed: 15 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		08/07/2026 - 14/07/2026

    from

    S $ 1,126

    Viewed: 10 hours ago

    Singapore (SIN)San Francisco (SFO)Roundtrip
    |
    Economy    		27/05/2026 - 03/06/2026

    from

    S $ 1,167

    Viewed: 15 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.

    Explore United Airlines's Top-Pick Destinations

    Explore more United flights