Flights from Singapore to San Juan from S $ 1,973*

Promotion Code

Changed bag rules and optional services         Cruise Packages

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

May 2026
FromS $ 1,973*
Viewed: 11 hours ago
RoundTrip|Economy
Jun 2026
FromS $ 2,330*
Viewed: 11 hours ago
RoundTrip|Economy
Jul 2026
FromS $ 2,280*
Viewed: 11 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label S $ 2.0K
cmp-daily-histogram-bars-legend-max-price-aria-label S $ 3.3K
Displaying fares for May-2026
  • 08

    Fr

    MAY

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

  • 15

    Fr

  • 16

    Sa

  • 17

    Su

  • 18

    Mo

  • 19

    Tu

  • 20

    We

  • 21

    Th

  • 22

    Fr

  • 23

    Sa

  • 24

    Su

  • 25

    Mo

  • 26

    Tu

  • 27

    We

  • 28

    Th

  • 29

    Fr

  • 30

    Sa

  • 31

    Su

  • 01

    Mo

    JUN

  • 02

    Tu

  • 03

    We

  • 04

    Th

  • 05

    Fr

  • 06

    Sa

  • 07

    Su

    • RangeS $ 1,973-S $ 3,335

    *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 $
    keyboard_arrow_down
    More United deals on Singapore (SIN) to San Juan (SJU) flights
    From
    To
    Fare Type
    Dates
    Price
    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		10/05/2026 - 14/05/2026

    from

    S $ 1,973

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		27/05/2026 - 03/06/2026

    from

    S $ 2,158

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		07/07/2026 - 21/07/2026

    from

    S $ 2,280

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		08/07/2026 - 22/07/2026

    from

    S $ 2,288

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		06/07/2026 - 20/07/2026

    from

    S $ 2,300

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		15/07/2026 - 22/07/2026

    from

    S $ 2,303

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		15/07/2026 - 29/07/2026

    from

    S $ 2,303

    Viewed: 11 hours ago

    Singapore (SIN)San Juan (SJU)Roundtrip
    |
    Economy    		20/05/2026 - 03/06/2026

    from

    S $ 2,316

    Viewed: 11 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