Cheap Flights from Islip to Singapore
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Deals from
Islip
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Prices updated today
456 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)
Today’s best flight deals from Islip to Singapore
Explore current cheapest deals departing from Islip to Singapore
2026-09-22 – 2026-09-28
ISP - Singapore
74% AI deal score
$1,245
$1,360
Round trip
2026-09-14 – 2026-10-02
ISP - Singapore
74% AI deal score
$1,181
$1,391
Round trip
2026-10-14 – 2026-11-12
ISP - Singapore
75% AI deal score
$1,188
$1,408
Round trip
2026-10-21 – 2026-11-12
ISP - Singapore
75% AI deal score
$1,226
$1,408
Round trip
2026-10-21 – 2026-11-16
ISP - Singapore
74% AI deal score
$1,225
$1,408
Round trip
2026-10-27 – 2026-11-12
ISP - Singapore
75% AI deal score
$1,241
$1,409
Round trip
2026-10-28 – 2026-11-12
ISP - Singapore
75% AI deal score
$1,239
$1,409
Round trip
2026-10-27 – 2026-11-16
ISP - Singapore
74% AI deal score
$1,236
$1,409
Round trip
2026-10-28 – 2026-11-16
ISP - Singapore
74% AI deal score
$1,237
$1,409
Round trip
2026-11-03 – 2026-11-12
ISP - Singapore
75% AI deal score
$1,191
$1,410
Round trip
