Flights from Singapore to Boston from $ 1,171*

Promotion Code

Changed bag rules and optional services         Cruise Packages

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

Jun 2026
From$ 1,366*
Viewed: 43 minutes ago
RoundTrip|Economy
Jul 2026
From$ 1,171*
Viewed: 10 hours ago
RoundTrip|Economy
Aug 2026
From$ 1,304*
Viewed: 9 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 1.2K
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    • Range$ 1,171-$ 1,366

    *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

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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    		07/07/26 - 07/23/26

    from

    $ 1,171

    Viewed: 12 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		07/07/26 - 07/22/26

    from

    $ 1,171

    Viewed: 10 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		07/05/26 - 07/22/26

    from

    $ 1,171

    Viewed: 12 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		07/07/26 - 07/23/26

    from

    $ 1,293

    Viewed: 12 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		08/18/26 - 08/26/26

    from

    $ 1,304

    Viewed: 9 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		06/11/26 - 07/02/26

    from

    $ 1,366

    Viewed: 43 minutes ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		07/07/26 - 07/22/26

    from

    $ 1,468

    Viewed: 10 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		09/26/26 - 10/02/26

    from

    $ 1,504

    Viewed: 22 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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