FlightsFrom Singapore

To St. Louis

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 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Singapore to St. Louis

Explore current cheapest deals departing from Singapore to St. Louis

July 7 - July 13

Cheapest
Best
Earliest

SIN - St. Louis

$1,477

$1,156

Round trip

July 14 - July 27

SIN - St. Louis

$1,412

$1,178

Round trip

July 14 - August 11

SIN - St. Louis

$1,405

$1,185

Round trip

July 14 - July 21

SIN - St. Louis

$1,449

$1,190

Round trip

July 13 - July 27

SIN - St. Louis

$1,411

$1,205

Round trip

July 13 - August 11

SIN - St. Louis

$1,405

$1,212

Round trip

September 18 - September 20

SIN - St. Louis

$1,448

$1,232

Round trip

July 11 - July 18

SIN - St. Louis

$1,461

$1,235

Round trip

July 7 - August 6

Earliest

SIN - St. Louis

$1,414

$1,299

Round trip

November 7 - November 14

SIN - St. Louis

$1,540

$1,308

Round trip

Unlock all 500+ flight deals to St. Louis and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Singapore to St. Louis

Only 1% of recent fares from Singapore to St. Louis were classified as a good price. Right now, fares for cheap flights from Singapore to St. Louis are below the typical level, with prices typically ranging from $1527–$2068 and a median of $1657. This indicates that while current prices are lower than usual, finding a significantly discounted fare for this long-haul route can be challenging.
When considering when is the cheapest time to fly from Singapore to St. Louis, the data shows that September is the most affordable month, with a median fare of $1132. Following September, February offers a median fare of $1324, and January is also a relatively inexpensive option at $1331. Planning your trip during these months could result in more favorable pricing.
For flights from Singapore to St. Louis, a typical journey, including connections, takes approximately 64h 50m. This extended travel time reflects the significant distance and the necessity of multiple stops. Most itineraries connect at least once, with the median number of stopovers for connecting flights being 5.
The route from Singapore to St. Louis covers a substantial distance of 15320 km, classifying it as a long-haul journey. This considerable distance inherently contributes to longer travel times and the need for connecting flights, as there are no direct flights from Singapore to St. Louis.

How much is a round trip from Singapore to St. Louis

Regular price: $1,287 - $2,063

Prices for flights from Singapore to St. Louis are currently below the regular range.

The regular price range for flights from Singapore to St. Louis is typically USD 1287 to USD 2063. The current lowest deal is USD 1156 with Japan Airlines, for travel from Jul 7-Jul 13.

now $1,156

Low $1,287

High $2,063

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

Cheapest

Flights from $1,132

August

Most Expensive

Flights from $2,730

Jan
Feb
Apr
May
Jun
Jul
Aug
Sep
Nov

Direct flights from Singapore to St. Louis

Airline logo

United Airlines

Airline logo

China Airlines

Airline logo

Frontier Airlines

Airline logo

Alaska Airlines, Inc.

Last-minute flights going from Singapore to St. Louis

Mon, Jun 22

⌛ Last-Minute

SIN - St. Louis

United Airlines

Singapore (SIN) - St. Louis (STL)

United Airlines

$1,599

$1,852

One-way

Thu, Jun 25

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

$1,513

$1,842

One-way

Thu, Jun 25

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

$1,510

$1,871

One-way

Thu, Jun 25

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

$1,499

$1,871

One-way

Fri, Jun 26

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

$1,499

$1,812

One-way

Fri, Jun 26

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

$1,492

$1,842

One-way

Biggest price drops on these dates for flights from Singapore to St. Louis

6 nights

Jul 7 - Jul 13

$1,477  →  $1,156

22%

7 nights

Jul 14 - Jul 21

$1,449  →  $1,190

18%

13 nights

Jul 14 - Jul 27

$1,412  →  $1,178

17%

7 nights

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 are below the typical level

Recent fares from Singapore to St. Louis are below the typical level at $1156.

📅 Best time to fly

September is historically cheapest at $1132

Historically, September is the cheapest month to fly from Singapore to St. Louis, at $1132.

⏱️ Flight duration

Flights typically take 64h 50m

Flights from Singapore to St. Louis typically take 64h 50m, covering a distance of 15320 km.

✈️ Airlines & availability

Connecting flights are dominant for this route

Connecting flights are dominant for this route, with a median of 5 stopovers.

🏆 Airline highlight

Japan Airlines offers a recent deal at $1156

Japan Airlines recently offered a deal for $1156 from Singapore to St. Louis.

🎯 Booking tip

Deals are rare for this route

Deals for flights from Singapore to St. Louis are rare, occurring about 0.1 times per day.

Singapore main airports to depart from

Singapore Changi (SIN)

Cheapest

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)

Cheapest

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)

Cheapest

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

Frequently Asked Questions About Flights to St. Louis

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can also help you discover better deals. Sometimes, flying on weekdays or during off-peak seasons may result in lower fares.

Booking in advance often provides more options and potentially better prices, especially for longer international routes. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. It's generally advisable to avoid last-minute bookings if possible.

Comparing nearby airports can sometimes reveal more economical flight options or different routing possibilities. While it may add to your ground travel, the potential savings on airfare can be significant. Always factor in the cost and time of additional transportation to your final destination.