Book a trip from Boston to Singapore with Cathay Pacific , fares from USD1,184

DISCOUNT CODE (OPTIONAL)

Deals on Boston (BOS) to Singapore (SIN) flights

Apr 2026
FromUSD1,688*
Seen 1 day ago
Round trip/Economy
May 2026
FromUSD1,877*
Seen 7 hours ago
Round trip/Economy
Jun 2026
FromUSD1,610*
Seen 15 hours ago
Round trip/Economy
USD1.7K
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    • RangeUSD1,688-USD1,877

    Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)

    Book flights to Singapore SIN

    USD
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    Book flights to Singapore SIN
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Singapore (SIN)Round-trip
    /
    Economy    		24/04/2026 - 01/05/2026

    From

    USD1,688

    Seen 1 day ago

    Boston (BOS)Singapore (SIN)Round-trip
    /
    Economy    		14/10/2026 - 19/11/2026

    From

    USD1,184

    Seen 11 hours ago

    Boston (BOS)Singapore (SIN)Round-trip
    /
    Economy    		03/06/2026 - 16/06/2026

    From

    USD1,610

    Seen 15 hours ago

    Boston (BOS)Singapore (SIN)Round-trip
    /
    Economy    		08/06/2026 - 14/06/2026

    From

    USD1,660

    Seen 13 hours ago

    Boston (BOS)Singapore (SIN)Round-trip
    /
    Economy    		12/08/2026 - 27/08/2026

    From

    USD1,724

    Seen 23 hours ago

    Book Business Class flights to Singapore - selected offers

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