Flights from Singapore to Boston from S $ 1,490*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Singapore (SIN) to Boston (BOS)

May 2026
FromS $ 1,490*
Viewed: 18 hours ago
RoundTrip|Economy
Jun 2026
FromS $ 1,759*
Viewed: 18 hours ago
RoundTrip|Economy
Jul 2026
FromS $ 1,866*
Viewed: 18 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label S $ 1.5K
cmp-daily-histogram-bars-legend-max-price-aria-label S $ 2.7K
Displaying fares for May-2026
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    • RangeS $ 1,490-S $ 2,663

    *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 Boston (BOS) flights

    S $
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    More United deals on Singapore (SIN) to Boston (BOS) flights
    From
    To
    Fare Type
    Dates
    Price
    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		07/05/2026 - 11/05/2026

    from

    S $ 1,490

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		19/05/2026 - 02/06/2026

    from

    S $ 1,716

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		11/05/2026 - 25/05/2026

    from

    S $ 1,755

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		18/05/2026 - 25/05/2026

    from

    S $ 1,755

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		28/06/2026 - 12/07/2026

    from

    S $ 1,759

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		08/05/2026 - 12/05/2026

    from

    S $ 1,821

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		13/05/2026 - 27/05/2026

    from

    S $ 1,835

    Viewed: 18 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		20/05/2026 - 03/06/2026

    from

    S $ 1,837

    Viewed: 18 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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