Boston (BOS) to Singapore (SIN) flight deal in economy from $975
$1,535 USD
-36%$975 USD
Verified about 12 hours agoSeptember 2026
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Fair Availability
27% of dates checked are available within 10% of the lowest price
Friday, September 18th, 2026
6 round-trip options
Returning
Wed, Sep 23, 2026•5 Day Trip
$1,684 USD
Returning
Thu, Sep 24, 2026•6 Day Trip
$1,547 USD
Returning
Sun, Sep 27, 2026•9 Day Trip
$1,025 USD
Returning
Mon, Sep 28, 2026•10 Day Trip
$1,025 USD
Returning
Tue, Sep 29, 2026•11 Day Trip
$1,025 USD
Returning
Fri, Oct 2, 2026•14 Day Trip
$1,547 USD