Cheap Flights from Singapore to St. Louis
Browse current best options from Singapore. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Singapore
RatePunk searches hundreds of travel sites at once for deals on flights to St. Louis
Prices updated 3 days ago
402 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)
Today’s best flight deals from Singapore to St. Louis
Explore current cheapest deals departing from Singapore to St. Louis
Round trip
Sort by: Cheapest
September 18 - September 19
SIN - St. Louis
$1,432
$1,119
Round trip
August 24 - August 31
SIN - St. Louis
$1,591
$1,149
Round trip
August 30 - September 14
SIN - St. Louis
$1,501
$1,150
Round trip
August 25 - September 14
SIN - St. Louis
$1,492
$1,150
Round trip
August 30 - September 21
SIN - St. Louis
$1,492
$1,159
Round trip
August 25 - September 21
SIN - St. Louis
$1,473
$1,160
Round trip
September 1 - September 14
SIN - St. Louis
$1,315
$1,166
Round trip
September 1 - September 21
SIN - St. Louis
$1,294
$1,175
Round trip
September 3 - September 7
SIN - St. Louis
$1,437
$1,238
Round trip
August 22 - August 29
SIN - St. Louis
$1,597
$1,247
Round trip
Unlock all 500+ flight deals to St. Louis and get alerts when great deals appear
Singapore to St. Louis: Overview
Insights for flights from Singapore to St. Louis
How much is a round trip from Singapore to St. Louis
Regular price: $1,259 - $1,795
Prices are currently below the regular range.
The regular price range for flights from Singapore Changi to St. Louis Lambert International is between $1259 and $1795. The current lowest deal is $1119 with Japan Airlines for travel from Sep 18-Sep 19.
now $1,119
Low $1,259
High $1,795
The cheapest time to fly from Singapore to St. Louis
Flights from Singapore to St. Louis are cheapest in September, with a median price of $1132. The most expensive month to fly is August, with a median price of $2730. Generally, prices are lower from January to November.
September
Flights from $1,132
August
Flights from $2,730
Direct flights from Singapore to St. Louis
Alaska Airlines, Inc.
Singapore Airlines
Air Canada
United Airlines
Last-minute flights going from Singapore to St. Louis
Tue, Jul 14
SIN - St. Louis
Singapore (SIN) - St. Louis (STL)
Lufthansa
$1,555
$1,824
One-way
Fri, Jul 17
SIN - St. Louis
Singapore (SIN) - St. Louis (STL)
United Airlines
$1,524
$1,745
One-way
Fri, Jul 17
SIN - St. Louis
Singapore (SIN) - St. Louis (STL)
United Airlines
$1,616
$1,786
One-way
Tue, Jul 21
SIN - St. Louis
Singapore (SIN) - St. Louis (STL)
Air Canada, Alaska Airlines, Inc.
$1,510
$1,354
One-way
Tue, Jul 21
SIN - St. Louis
Singapore (SIN) - St. Louis (STL)
United Airlines
$1,585
$1,773
One-way
Sat, Jul 25
SIN - St. Louis
Singapore (SIN) - St. Louis (STL)
United Airlines
$1,550
$1,909
One-way
Biggest price drops on these dates for flights from Singapore to St. Louis
Jul 7 - Jul 13
$1,477 → $1,156
22%
Jul 14 - Jul 21
$1,449 → $1,190
18%
Jul 14 - Jul 27
$1,412 → $1,178
17%
Nov 7 - Nov 14
$1,540 → $1,308
15%
Popular Airports to fly from Singapore to St. Louis
Singapore - St. Louis route insights
💸 Price insights
Recent fares below the typical level
Recent fares from Singapore to St. Louis are below the typical level at $1119.
📅 Best time to fly
September is historically cheapest
Historically, September is the cheapest month to fly, with a median price of $1132.
⏱️ Flight duration
Typically 64h 50m with connections
Flights from Singapore to St. Louis typically take 64h 50m, with 2 stopovers being common.
✈️ Airlines & availability
Connecting flights dominant
Connecting flights are dominant for this route, with no direct flights available historically.
🏆 Airline highlight
Alaska Airlines offers connecting flights
Alaska Airlines has historically offered 43 connecting deals for this route.
🎯 Booking tip
Deals are rare for this route
Deals for flights from Singapore to St. Louis are historically rare.
Singapore main airports to depart from
Singapore Changi (SIN)
Singapore Changi is the cheapest departure airport for flights from Singapore to St. Louis.
📍 ~18 km from city center (reachable by car or train)
💸 Flights from ~$1156
St. Louis main airports to arrive at
St. Louis Lambert International (STL)
St. Louis Lambert International is the cheapest option for flights from Singapore to St. Louis.
📍 ~20 km from St. Louis (reachable by car)
💸 Flights from ~$1156
Airports nearby St. Louis used as alternative
MidAmerica St. Louis (BLV)
MidAmerica St. Louis is a useful alternative for budget routes, especially for travelers on the Illinois side.
📍 ~40 km from St. Louis (reachable by car)
💸 Flights from ~$1417
Columbia Regional (COU)
Columbia Regional offers a full range of cabin classes and serves as a reliable regional hub.
📍 ~170 km from St. Louis (reachable by car)
💸 Flights from ~$1728
Abraham Lincoln Capital (SPI)
Abraham Lincoln Capital provides consistent regional service and includes Business class availability.
📍 ~150 km from St. Louis (reachable by car)
💸 Flights from ~$1543
General Wayne A. Downing Peoria International (PIA)
General Wayne A. Downing Peoria International is a larger regional airport offering multiple cabin classes.
📍 ~230 km from St. Louis (reachable by car)
💸 Flights from ~$1088
Central Illinois Regional (BMI)
Central Illinois Regional is an alternative for travelers willing to drive into Central Illinois.
📍 ~240 km from St. Louis (reachable by car)
💸 Flights from ~$1075
Business & First Class Flight Deals to St. Louis
Discover luxury on the budget with premium cabin class on flights from Singapore to St. Louis.
Elite
Best Elite deals to St. Louis
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SIN
Elite
Aug 21
St. Louis, United States
89% AI deal score
$7,586
$6,086
Save $1,500
From SIN
Elite
Aug 19
St. Louis, United States
88% AI deal score
$7,363
$6,078
Save $1,285
From SIN
Elite
Dec 01
St. Louis, United States
84% AI deal score
$21,303
$16,558
Save $4,745
From SIN
Elite
Aug 15
St. Louis, United States
83% AI deal score
$7,312
$6,060
Save $1,252
From SIN
Elite
Dec 02
St. Louis, United States
83% AI deal score
$20,464
$16,376
Save $4,088
From SIN
Elite
Dec 07
St. Louis, United States
83% AI deal score
$20,488
$16,377
Save $4,111
From SIN
Elite
Aug 19
St. Louis, United States
82% AI deal score
$6,925
$6,009
Save $916
From SIN
Elite
Aug 21
St. Louis, United States
82% AI deal score
$6,976
$6,017
Save $959
From SIN
Elite
Dec 08
St. Louis, United States
82% AI deal score
$20,488
$16,465
Save $4,023
From SIN
Elite
Dec 03
St. Louis, United States
82% AI deal score
$20,464
$16,492
Save $3,972
From SIN
Elite
Dec 08
St. Louis, United States
82% AI deal score
$20,563
$16,514
Save $4,049
From SIN
Elite
Jun 22
St. Louis, United States
81% AI deal score
$6,948
$6,008
Save $940
From SIN
Elite
Aug 15
St. Louis, United States
81% AI deal score
$6,871
$6,065
Save $806
From SIN
Elite
Aug 10
St. Louis, United States
81% AI deal score
$6,945
$6,117
Save $828
From SIN
Elite
Aug 04
St. Louis, United States
81% AI deal score
$6,885
$6,130
Save $755
From SIN
Elite
Aug 15
St. Louis, United States
81% AI deal score
$7,032
$6,134
Save $898
From SIN
Elite
Aug 21
St. Louis, United States
81% AI deal score
$6,932
$6,163
Save $769
From SIN
Elite
Aug 20
St. Louis, United States
81% AI deal score
$6,925
$6,189
Save $736
From SIN
Elite
Nov 13
St. Louis, United States
81% AI deal score
$19,040
$16,411
Save $2,629
From SIN
Elite
Nov 15
St. Louis, United States
81% AI deal score
$18,970
$16,419
Save $2,551
From SIN
Elite
Nov 15
St. Louis, United States
81% AI deal score
$18,755
$16,421
Save $2,334
From SIN
Elite
Nov 20
St. Louis, United States
81% AI deal score
$18,831
$16,465
Save $2,366
From SIN
Elite
Nov 13
St. Louis, United States
81% AI deal score
$19,474
$16,742
Save $2,732
From SIN
Elite
Nov 15
St. Louis, United States
81% AI deal score
$19,474
$16,951
Save $2,523
From SIN
Elite
Jul 27
St. Louis, United States
80% AI deal score
$6,948
$6,088
Save $860
From SIN
Elite
Aug 04
St. Louis, United States
80% AI deal score
$6,809
$6,204
Save $605
From SIN
Elite
Nov 27
St. Louis, United States
80% AI deal score
$18,435
$16,421
Save $2,014
From SIN
Elite
Nov 28
St. Louis, United States
80% AI deal score
$18,747
$16,683
Save $2,064
From SIN
Elite
Jul 08
St. Louis, United States
79% AI deal score
$6,810
$6,222
Save $588
From SIN
Elite
Jul 07
St. Louis, United States
79% AI deal score
$6,806
$6,250
Save $556
From SIN
Elite
Nov 27
St. Louis, United States
79% AI deal score
$20,092
$18,908
Save $1,184
From SIN
Elite
Jul 03
St. Louis, United States
78% AI deal score
$7,371
$6,970
Save $401
From SIN
Elite
Jul 29
St. Louis, United States
78% AI deal score
$7,140
$7,002
Save $138
From SIN
Elite
Jul 16
St. Louis, United States
78% AI deal score
$7,626
$7,370
Save $256
From SIN
Elite
Sep 16
St. Louis, United States
77% AI deal score
$7,066
$6,840
Save $226
From SIN
Elite
Sep 25
St. Louis, United States
77% AI deal score
$7,237
$6,985
Save $252
From SIN
Elite
Jul 29
St. Louis, United States
77% AI deal score
$7,125
$7,033
Save $92
From SIN
Elite
Jul 31
St. Louis, United States
77% AI deal score
$7,149
From SIN
Elite
Jul 28
St. Louis, United States
77% AI deal score
$7,197
$7,191
Save $6
From SIN
Elite
Nov 27
St. Louis, United States
77% AI deal score
$18,962
$18,908
Save $54
From SIN
Elite
Aug 28
St. Louis, United States
76% AI deal score
$7,164
From SIN
Elite
Jul 23
St. Louis, United States
76% AI deal score
$20,942
$20,808
Save $134
From SIN
Elite
Aug 05
St. Louis, United States
75% AI deal score
$7,046
From SIN
Elite
Aug 18
St. Louis, United States
75% AI deal score
$7,083
From SIN
Elite
Aug 12
St. Louis, United States
75% AI deal score
$7,167
From SIN
Elite
Aug 30
St. Louis, United States
75% AI deal score
$7,291
From SIN
Elite
Sep 16
St. Louis, United States
74% AI deal score
$7,389
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,740
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,771
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,771
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,794
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,794
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,794
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,794
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,794
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,836
From SIN
Elite
Jul 21
St. Louis, United States
74% AI deal score
$3,908
From SIN
Elite
Sep 20
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 15
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 15
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 20
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 23
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 16
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 11
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 16
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 11
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 08
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 08
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 21
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 18
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 18
St. Louis, United States
74% AI deal score
$3,930
From SIN
Elite
Sep 20
St. Louis, United States
74% AI deal score
$4,112
From SIN
Elite
Sep 15
St. Louis, United States
74% AI deal score
$4,112
From SIN
Elite
Sep 15
St. Louis, United States
74% AI deal score
$4,209
From SIN
Elite
Sep 20
St. Louis, United States
74% AI deal score
$4,209
From SIN
Elite
Sep 20
St. Louis, United States
74% AI deal score
$4,377
From SIN
Elite
Sep 15
St. Louis, United States
74% AI deal score
$4,377
From SIN
Elite
Jun 30
St. Louis, United States
72% AI deal score
$7,211
From SIN
Elite
Sep 16
St. Louis, United States
71% AI deal score
$7,451
From SIN
Elite
Sep 16
St. Louis, United States
71% AI deal score
$7,452
From SIN
Elite
Sep 16
St. Louis, United States
71% AI deal score
$7,457
From SIN
Elite
Oct 30
St. Louis, United States
71% AI deal score
$22,703
From SIN
Elite
Nov 01
St. Louis, United States
70% AI deal score
$25,050
From SIN
Elite
Aug 08
St. Louis, United States
69% AI deal score
$24,447
From SIN
Elite
Sep 04
St. Louis, United States
69% AI deal score
$25,028
From SIN
Elite
Aug 06
St. Louis, United States
69% AI deal score
$25,028
From SIN
Elite
Oct 26
St. Louis, United States
69% AI deal score
$25,040
From SIN
Elite
Oct 01
St. Louis, United States
69% AI deal score
$25,083
From SIN
Elite
Jul 04
St. Louis, United States
69% AI deal score
$28,008
From SIN
Elite
Jul 04
St. Louis, United States
69% AI deal score
$28,008
From SIN
Elite
Jul 04
St. Louis, United States
69% AI deal score
$28,008
From SIN
Elite
Jul 04
St. Louis, United States
69% AI deal score
$28,019
From SIN
Elite
Jun 28
St. Louis, United States
68% AI deal score
$15,533
From SIN
Elite
Sep 15
St. Louis, United States
67% AI deal score
$41,315
From SIN
Elite
Sep 02
St. Louis, United States
67% AI deal score
$41,613
From SIN
Elite
Oct 24
St. Louis, United States
67% AI deal score
$41,643
From SIN
Elite
Nov 14
St. Louis, United States
67% AI deal score
$41,643
From SIN
Elite
Oct 10
St. Louis, United States
67% AI deal score
$8,299
From SIN
Elite
Oct 08
St. Louis, United States
67% AI deal score
$9,894
From SIN
Elite
Oct 11
St. Louis, United States
67% AI deal score
$10,557