Boston (BOS) to Singapore (SIN) flight deal in economy from $975
$1,535 USD
-36%$975 USD
Verified 1 day agoDecember 2026
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Fair Availability
27% of dates checked are available within 10% of the lowest price
Monday, December 21st, 2026
7 round-trip options
Returning
Sat, Dec 26, 2026•5 Day Trip
$2,651 USD
Returning
Sun, Dec 27, 2026•6 Day Trip
$2,602 USD
Returning
Mon, Dec 28, 2026•7 Day Trip
$2,602 USD
Returning
Thu, Dec 31, 2026•10 Day Trip
$2,636 USD
Returning
Fri, Jan 1, 2027•11 Day Trip
$3,066 USD
Returning
Sat, Jan 2, 2027•12 Day Trip
$2,684 USD
Returning
Sun, Jan 3, 2027•13 Day Trip
$3,902 USD