Cheap Flights from Singapore to St. Louis
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RatePunk searches hundreds of travel sites at once for deals on flights to St. Louis
Prices updated today
462 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)
Today’s best flight deals from Singapore to St. Louis
Explore current cheapest deals departing from Singapore to St. Louis
2026-10-12 – 2026-11-11
SIN - St. Louis
77% AI deal score
$1,328
$1,225
Round trip
2026-10-12 – 2026-11-04
SIN - St. Louis
78% AI deal score
$1,333
$1,225
Round trip
2026-10-12 – 2026-10-21
SIN - St. Louis
79% AI deal score
$1,374
$1,225
Round trip
2026-10-12 – 2026-11-02
SIN - St. Louis
77% AI deal score
$1,333
$1,231
Round trip
2026-10-14 – 2026-11-11
SIN - St. Louis
77% AI deal score
$1,328
$1,241
Round trip
2026-10-14 – 2026-11-04
SIN - St. Louis
77% AI deal score
$1,333
$1,242
Round trip
2026-10-14 – 2026-10-21
SIN - St. Louis
80% AI deal score
$1,429
$1,242
Round trip
2026-10-14 – 2026-11-02
SIN - St. Louis
77% AI deal score
$1,337
$1,247
Round trip
2026-10-07 – 2026-11-04
SIN - St. Louis
76% AI deal score
$1,326
$1,261
Round trip
2026-10-14 – 2026-10-20
SIN - St. Louis
81% AI deal score
$1,429
$1,287
Round trip
