Are direct flights from Singapore to St. Louis always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers, but they are not always the most budget-friendly choice. Flights with one or more connections can sometimes be more affordable. Consider your priorities for cost versus travel time when deciding.

Can flexible travel dates help on Singapore to St. Louis flights?

Being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares compared to weekends or popular travel periods. Adjusting your departure or return by a few days may reveal more economical options.

What extra costs should I check before booking Singapore to St. Louis flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for changes or cancellations. Understanding these additional expenses helps you calculate the true total cost of your journey.

Flights From 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 7 days ago

483 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

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

Explore current cheapest deals departing from Singapore to St. Louis

2026-11-16 – 2026-12-02
SIN - St. Louis
87% AI deal score
$1,332
$1,039
Round trip
2026-11-16 – 2026-12-07
SIN - St. Louis
87% AI deal score
$1,322
$1,040
Round trip
2026-11-16 – 2026-11-25
SIN - St. Louis
88% AI deal score
$1,356
$1,046
Round trip
2026-11-16 – 2026-12-04
SIN - St. Louis
86% AI deal score
$1,326
$1,061
Round trip
2026-11-12 – 2026-12-02
SIN - St. Louis
82% AI deal score
$1,319
$1,123
Round trip
2026-11-12 – 2026-12-07
SIN - St. Louis
82% AI deal score
$1,314
$1,123
Round trip
2026-11-11 – 2026-12-02
SIN - St. Louis
87% AI deal score
$1,339
$1,123
Round trip
2026-11-15 – 2026-12-02
SIN - St. Louis
81% AI deal score
$1,326
$1,144
Round trip
2026-11-15 – 2026-12-07
SIN - St. Louis
81% AI deal score
$1,323
$1,145
Round trip
2026-11-11 – 2026-12-07
SIN - St. Louis
82% AI deal score
$1,333
$1,145
Round trip

Singapore to St. Louis: Overview

Insights for flights from Singapore to St. Louis

Only 4% 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 significantly below the typical level. Prices for this route typically range from $1733–$2243, with a median of $2005.

The typical journey from Singapore to St. Louis takes 64h 50m, including connections. Most itineraries for this route connect at least once, with a median of 3 stopovers when connecting.

This is a long-haul flight, covering a distance of 15320 km between Singapore and St. Louis. Deals for this route are infrequent, so setting up a price alert can be beneficial.

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

Regular price: $1,203 - $2,003

Prices are currently below the regular range.

Regular prices for flights from Singapore to St. Louis typically range from 1203 USD to 2003 USD. The current lowest deal is 1029 USD with Air China, for travel from Nov 16-Nov 25.

now $1,029

Low $1,203

High $2,003

The cheapest time to fly from Singapore to St. Louis

Flights from Singapore to St. Louis are generally lower from October to November. The cheapest month to fly is November, with a median price of $1332. The most expensive month to fly is December, with a median price of $2275.

November

Cheapest

Flights from $1,332

December

Most Expensive

Flights from $2,275

Oct

Nov

Dec

Direct flights from Singapore to St. Louis

Alaska Airlines, Inc.

Singapore Airlines

Jett8 Airlines Cargo

United Airlines

Last-minute flights going from Singapore to St. Louis

Tue, Oct 27

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Cathay Pacific

$1,610

$2,049

One-way

Thu, Oct 29

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Singapore Airlines, Lufthansa

$1,553

$5,323

One-way

Sun, Nov 1

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Cathay Pacific

$1,753

$1,438

One-way

Thu, Nov 5

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Jett8 Airlines Cargo, Alaska Airlines, Inc.

$1,427

$1,373

One-way

Mon, Nov 9

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Jett8 Airlines Cargo, Alaska Airlines, Inc.

$1,446

$1,373

One-way

Wed, Nov 11

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Air China, Alaska Airlines, Inc.

$1,448

$1,163

One-way

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

26 nights

Dec 25 - Jan 20

$1,580 → $1,208

24%

29 nights

Dec 25 - Jan 23

$1,580 → $1,216

23%

4 nights

Nov 12 - Nov 16

$1,507 → $1,150

24%

27 nights

Dec 24 - Jan 20

$1,580 → $1,250

21%

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.

📅 Best time to fly

November is historically cheapest at $2005.

Historically, November is the cheapest month to fly from Singapore to St. Louis, with a median price of $2005.

⏱️ Flight duration

Connecting flights typically take 64h 50m.

Flights from Singapore to St. Louis typically take 64h 50m, with 3 stopovers.

✈️ Airlines & availability

No direct flights from Singapore to St. Louis.

There are no direct flights available from Singapore to St. Louis; all routes include stopovers.

🏆 Airline highlight

Air China offers a recent deal at $1029.

Air China recently offered a deal for $1029 from Singapore to St. Louis via kiwi.

🎯 Booking tip

Deals on this route are rare.

Deals for flights from Singapore to St. Louis are rare, appearing infrequently.

Singapore main airports to depart from

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport (SIN) is a convenient departure point for flights to St. Louis.

📍 ~19 km from city center (reachable by car or train)

💸 Flights from ~$1,122

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is the primary airport for arrivals to St. Louis.

📍 ~20 km from St. Louis (reachable by car)

💸 Flights from ~$1,118

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

MidAmerica St. Louis is the closest alternative, especially useful for travelers on the Illinois side.

📍 ~45 km from destination city (reachable by car)

💸 Flights from ~$1,397

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

KLM, +1

Business Class

From SIN

Elite

Jan 16

St. Louis, United States

78% AI deal score

$6,849

$6,614

Save $235

KLM, +1

Business Class

From SIN

Elite

Jan 16

St. Louis, United States

78% AI deal score

$6,741

$6,622

Save $119

KLM, +1

Business Class

From SIN

Elite

Feb 10

St. Louis, United States

77% AI deal score

$6,337

$6,142

Save $195

Thai Airways International, +1

Business Class

From SIN

Elite

Dec 25

St. Louis, United States

77% AI deal score

$6,561

$6,331

Save $230

Xiamen Airlines, +1

Business Class

From SIN

Elite

Dec 23

St. Louis, United States

77% AI deal score

$6,561

$6,383

Save $178

Garuda Indonesia, +1

Business Class

From SIN

Elite

Nov 30

St. Louis, United States

77% AI deal score

$6,655

$6,461

Save $194

Air China, +1

Business Class

From SIN

Elite

Jan 15

St. Louis, United States

77% AI deal score

$6,815

$6,535

Save $280

Xiamen Airlines, +1

Business Class

From SIN

Elite

Feb 18

St. Louis, United States

77% AI deal score

$6,580

$6,553

Save $27

Saudia, +1

Business Class

From SIN

Elite

Feb 25

St. Louis, United States

77% AI deal score

$6,686

$6,553

Save $133

Thai Airways International, +1

Business Class

Frequently Asked Questions About Flights to St. Louis

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you compare options from various airlines and online travel agencies. Setting up price alerts may also notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially better prices, though the ideal booking window can vary. Prices may fluctuate, so monitoring fares over time can help you identify a suitable moment to book. Last-minute bookings can sometimes be more expensive.

Comparing nearby airports can sometimes reveal alternative flight options or different pricing. While it may add to your ground travel, it could potentially lead to savings on airfare. Always consider the total cost and convenience when evaluating this option.

Related routes

More routes from Singapore

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Flights to St. Louis from other cities

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Singapore to St. Louis: Overview

Insights for flights from Singapore to St. Louis

The typical journey from Singapore to St. Louis takes 64h 50m, including connections. Most itineraries for this route connect at least once, with a median of 3 stopovers when connecting.

This is a long-haul flight, covering a distance of 15320 km between Singapore and St. Louis. Deals for this route are infrequent, so setting up a price alert can be beneficial.

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

Regular price: $1,203 - $2,003

Prices are currently below the regular range.

Regular prices for flights from Singapore to St. Louis typically range from 1203 USD to 2003 USD. The current lowest deal is 1029 USD with Air China, for travel from Nov 16-Nov 25.

now $1,029

Low $1,203

High $2,003

The cheapest time to fly from Singapore to St. Louis

November

Cheapest

Flights from $1,332

December

Most Expensive

Flights from $2,275

Oct

Nov

Dec

Direct flights from Singapore to St. Louis

Alaska Airlines, Inc.

Singapore Airlines

Jett8 Airlines Cargo

United Airlines

Last-minute flights going from Singapore to St. Louis

Tue, Oct 27

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Cathay Pacific

$1,610

$2,049

One-way

Thu, Oct 29

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Singapore Airlines, Lufthansa

$1,553

$5,323

One-way

Sun, Nov 1

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Cathay Pacific

$1,753

$1,438

One-way

Thu, Nov 5

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Jett8 Airlines Cargo, Alaska Airlines, Inc.

$1,427

$1,373

One-way

Mon, Nov 9

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Jett8 Airlines Cargo, Alaska Airlines, Inc.

$1,446

$1,373

One-way

Wed, Nov 11

⌛ Last-Minute

SIN - St. Louis

Singapore (SIN) - St. Louis (STL)

Air China, Alaska Airlines, Inc.

$1,448

$1,163

One-way

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

26 nights

Dec 25 - Jan 20

$1,580 → $1,208

24%

29 nights

Dec 25 - Jan 23

$1,580 → $1,216

23%

4 nights

Nov 12 - Nov 16

$1,507 → $1,150

24%

27 nights

Dec 24 - Jan 20

$1,580 → $1,250

21%

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.

📅 Best time to fly

November is historically cheapest at $2005.

Historically, November is the cheapest month to fly from Singapore to St. Louis, with a median price of $2005.

⏱️ Flight duration

Connecting flights typically take 64h 50m.

Flights from Singapore to St. Louis typically take 64h 50m, with 3 stopovers.

✈️ Airlines & availability

No direct flights from Singapore to St. Louis.

There are no direct flights available from Singapore to St. Louis; all routes include stopovers.

🏆 Airline highlight

Air China offers a recent deal at $1029.

Air China recently offered a deal for $1029 from Singapore to St. Louis via kiwi.

🎯 Booking tip

Deals on this route are rare.

Deals for flights from Singapore to St. Louis are rare, appearing infrequently.

Singapore main airports to depart from

Singapore Changi (SIN)

Cheapest

Singapore Changi Airport (SIN) is a convenient departure point for flights to St. Louis.

📍 ~19 km from city center (reachable by car or train)

💸 Flights from ~$1,122

St. Louis main airports to arrive at

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is the primary airport for arrivals to St. Louis.

📍 ~20 km from St. Louis (reachable by car)

💸 Flights from ~$1,118

Airports nearby St. Louis used as alternative

MidAmerica St. Louis (BLV)

MidAmerica St. Louis is the closest alternative, especially useful for travelers on the Illinois side.

St. Louis, United States

77% AI deal score

$6,686

$6,553

Save $133

Thai Airways International, +1

Business Class

Frequently Asked Questions About Flights to St. Louis

Cheap Flights from Singapore to St. Louis

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

Singapore to St. Louis: Overview

Insights for flights from Singapore to St. Louis

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

The cheapest time to fly from Singapore to St. Louis

Direct flights from Singapore to St. Louis

Last-minute flights going from Singapore to St. Louis

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

Popular Airports to fly from Singapore to St. Louis

Singapore - St. Louis route insights

Recent fares are below the typical level.

November is historically cheapest at $2005.

Connecting flights typically take 64h 50m.

No direct flights from Singapore to St. Louis.

Air China offers a recent deal at $1029.

Deals on this route are rare.

Singapore main airports to depart from

St. Louis main airports to arrive at

Airports nearby St. Louis used as alternative

Business & First Class Flight Deals to St. Louis

Best Elite deals to St. Louis

Feb 17

Feb 18

Jan 09

Jan 16

Jan 16

Feb 10

Dec 25

Dec 23

Nov 30

Jan 15

Feb 18

Feb 25

Frequently Asked Questions About Flights to St. Louis

How can I find cheap flights from Singapore to St. Louis?

When should I book flights from Singapore to St. Louis?

Should I compare nearby airports for flights from Singapore to St. Louis?

Are direct flights from Singapore to St. Louis always the best option?

Can flexible travel dates help on Singapore to St. Louis flights?

What extra costs should I check before booking Singapore to St. Louis flights?

Related routes

More routes from Singapore

Flights to St. Louis from other cities

Singapore to St. Louis: Overview

Insights for flights from Singapore to St. Louis

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

The cheapest time to fly from Singapore to St. Louis

Direct flights from Singapore to St. Louis

Last-minute flights going from Singapore to St. Louis

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

Popular Airports to fly from Singapore to St. Louis

Singapore - St. Louis route insights

Recent fares are below the typical level.

November is historically cheapest at $2005.

Connecting flights typically take 64h 50m.

No direct flights from Singapore to St. Louis.

Air China offers a recent deal at $1029.

Deals on this route are rare.

Singapore main airports to depart from

St. Louis main airports to arrive at

Airports nearby St. Louis used as alternative

Business & First Class Flight Deals to St. Louis

Best Elite deals to St. Louis

Feb 17

Feb 18

Jan 09

Jan 16

Jan 16

Feb 10

Dec 25

Dec 23

Nov 30

Jan 15

Feb 18

Feb 25

Frequently Asked Questions About Flights to St. Louis

How can I find cheap flights from Singapore to St. Louis?

When should I book flights from Singapore to St. Louis?

Should I compare nearby airports for flights from Singapore to St. Louis?