Flights from Singapore to Boston from $ 1,375*

Promotion Code

Changed bag rules and optional services         Cruise Packages

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

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
From$ 1,494*
Viewed: 13 hours ago
RoundTrip|Economy
May 2026
From$ 1,375*
Viewed: 6 hours ago
RoundTrip|Economy
$ 1.9K
Displaying fares for March-2026
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    • Range$ 1,943

    *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    		05/29/26 - 06/11/26

    from

    $ 1,375

    Viewed: 6 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		05/29/26 - 06/13/26

    from

    $ 1,819

    Viewed: 8 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		05/28/26 - 06/13/26

    from

    $ 1,903

    Viewed: 8 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		05/29/26 - 06/11/26

    from

    $ 2,255

    Viewed: 6 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		04/24/26 - 05/03/26

    from

    $ 1,494

    Viewed: 13 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		06/07/26 - 06/13/26

    from

    $ 1,794

    Viewed: 16 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		04/24/26 - 05/03/26

    from

    $ 1,925

    Viewed: 13 hours ago

    Singapore (SIN)Boston (BOS)Roundtrip
    |
    Economy    		04/13/26 - 04/20/26

    from

    $ 1,943

    Viewed: 14 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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