Boston (BOS) to Singapore (SIN) flight deal in economy from $975
$1,535 USD
-36%$975 USD
Verified about 14 hours agoOctober 2026
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Fair Availability
27% of dates checked are available within 10% of the lowest price
Sunday, October 18th, 2026
6 round-trip options
Returning
Fri, Oct 23, 2026•5 Day Trip
$1,150 USD
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Sat, Oct 24, 2026•6 Day Trip
$1,225 USD
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Tue, Oct 27, 2026•9 Day Trip
$1,025 USD
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Wed, Oct 28, 2026•10 Day Trip
$1,025 USD
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Thu, Oct 29, 2026•11 Day Trip
$1,075 USD
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Sun, Nov 1, 2026•14 Day Trip
$1,025 USD