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Cheap flights from St. Louis (STL) to Singapore (SIN) from $1,308

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SIN
May 12 — May 191
From?
To?
Sun 5/12
Sun 5/19
1 adult, Economy
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The best prices from Lambert-St Louis to Singapore Changi are usually found in April or February, booked 67 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 7, 2024.

Popular in

June

Cheapest in

April

Average price

$1,652

Round-trip from

$1,139
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 17% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Singapore Changi
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What is the cheapest day to fly round-trip from St. Louis to Singapore?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 44% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from St. Louis to Singapore?

Find a great deal and save up to 2% by booking at least 10 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Singapore within the next two weeks, with the cheapest ticket starting at $1,351.

What is the cheapest month to fly from St. Louis to Singapore?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Singapore. Flights to Singapore from St. Louis in April are about $1,706 on average during April, but can be found for as low as $1,370.

When is the cheapest time to fly from St. Louis to Singapore (STL - SIN)?

When flying from St. Louis to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight in the afternoon.

Cheap Qatar Airways flights from St. Louis to Singapore

Explore cheap flight options specifically provided by Qatar Airways for the route between St. Louis and Singapore. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Check out some of the cheapest Qatar Airways flights we've come across from St. Louis to Singapore. It's recommended that users confirm their flight details before booking.
Tue 10/87:00 amSTL - SIN
2 stops37h 00mQatar Airways
Fri 10/1810:30 amSIN - STL
2 stops50h 28mQatar Airways
Deal found 5/6$1,308
Tue 10/87:00 amSTL - SIN
2 stops37h 00mQatar Airways
Thu 10/172:15 amSIN - STL
2 stops34h 43mQatar Airways
Deal found 5/6$1,355
Sat 6/224:55 pmSTL - SIN
2 stops33h 50mQatar Airways
Fri 7/52:15 amSIN - STL
2 stops34h 44mQatar Airways
Deal found 5/7$2,310

Cheap Cathay Pacific flights from St. Louis to Singapore

Explore cheap flight options specifically provided by Cathay Pacific for the route between St. Louis and Singapore. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Some of the best deals we've found on Cathay Pacific flights traveling from St. Louis to Singapore. Deals frequently update to provide users with more options.
Tue 10/85:30 pmSTL - SIN
2 stops42h 05mCathay Pacific
Fri 10/186:30 amSIN - STL
2 stops26h 37mCathay Pacific
Deal found 5/6$1,315
Tue 10/85:30 pmSTL - SIN
2 stops42h 05mCathay Pacific
Thu 10/171:45 amSIN - STL
2 stops31h 22mCathay Pacific
Deal found 5/6$1,327
Tue 10/85:30 pmSTL - SIN
2 stops42h 05mCathay Pacific
Fri 10/181:25 pmSIN - STL
3 stops43h 42mCathay Pacific
Deal found 5/6$1,343
Tue 10/85:30 pmSTL - SIN
3 stops56h 55mCathay Pacific
Fri 10/188:10 pmSIN - STL
2 stops36h 57mCathay Pacific
Deal found 5/6$1,393
Tue 10/85:30 pmSTL - SIN
3 stops56h 55mCathay Pacific
Fri 10/181:25 pmSIN - STL
3 stops43h 42mCathay Pacific
Deal found 5/6$1,416
Sat 6/2210:42 amSTL - SIN
3 stops39h 43mCathay Pacific
Sat 7/68:30 pmSIN - STL
2 stops63h 37mCathay Pacific
Deal found 5/7$2,932
Sat 6/2210:42 amSTL - SIN
3 stops39h 43mCathay Pacific
Fri 7/51:45 amSIN - STL
2 stops34h 22mCathay Pacific
Deal found 5/7$2,962
Thu 6/69:47 amSTL - SIN
3 stops40h 38mCathay Pacific
Sun 6/161:45 amSIN - STL
2 stops34h 13mCathay Pacific
Deal found 5/6$8,140

Cheap St. Louis to Singapore flights in May & June 2024

Find cheap flight options from St. Louis to Singapore specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 7, 2024.
Check out some of the best flight deals from St. Louis to Singapore in 2024. For more flight deals, be sure to check back very soon.
Wed 5/811:10 amSTL - SIN
2 stops30h 35mUnited Airlines
Sat 5/189:00 pmSIN - STL
2 stops25h 58mUnited Airlines
Deal found 5/6$1,420
Wed 5/85:08 pmSTL - SIN
2 stops33h 37mQatar Airways
Fri 5/172:15 amSIN - STL
2 stops32h 32mQatar Airways
Deal found 5/6$1,746
Wed 5/87:00 amSTL - SIN
2 stops43h 00mEmirates
Fri 5/171:40 amSIN - STL
2 stops34h 05mEmirates
Deal found 5/6$2,041
Sat 6/226:27 pmSTL - SIN
2 stops35h 08mFinnair
Sat 7/69:45 pmSIN - STL
2 stops33h 55mFinnair
Deal found 5/7$2,151
Sat 6/224:55 pmSTL - SIN
2 stops33h 50mQatar Airways
Fri 7/52:15 amSIN - STL
2 stops34h 44mQatar Airways
Deal found 5/7$2,310
Wed 5/85:25 pmSTL - SIN
2 stops34h 10mLufthansa
Sat 5/1811:40 pmSIN - STL
1 stop26h 50mLufthansa
Deal found 5/6$2,680
Wed 5/85:25 pmSTL - SIN
2 stops34h 10mLufthansa
Sat 5/1811:40 pmSIN - STL
1 stop26h 50mLufthansa
Deal found 5/6$2,706
Sat 6/2210:42 amSTL - SIN
3 stops39h 43mCathay Pacific
Sat 7/68:30 pmSIN - STL
2 stops63h 37mCathay Pacific
Deal found 5/7$2,932
Sat 6/2210:42 amSTL - SIN
3 stops39h 43mCathay Pacific
Fri 7/51:45 amSIN - STL
2 stops34h 22mCathay Pacific
Deal found 5/7$2,962

St. Louis to Singapore 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Singapore in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
Check out some of the best flight deals from St. Louis to Singapore in 2024. For more flight deals, be sure to check back very soon.
Tue 10/87:00 amSTL - SIN
2 stops37h 00mQatar Airways
Fri 10/1810:30 amSIN - STL
2 stops50h 28mQatar Airways
Deal found 5/6$1,308
Tue 10/85:30 pmSTL - SIN
2 stops42h 05mCathay Pacific
Fri 10/186:30 amSIN - STL
2 stops26h 37mCathay Pacific
Deal found 5/6$1,315
Tue 10/85:30 pmSTL - SIN
2 stops42h 05mCathay Pacific
Thu 10/171:45 amSIN - STL
2 stops31h 22mCathay Pacific
Deal found 5/6$1,327
Tue 10/85:30 pmSTL - SIN
2 stops42h 05mCathay Pacific
Fri 10/181:25 pmSIN - STL
3 stops43h 42mCathay Pacific
Deal found 5/6$1,343
Tue 10/87:00 amSTL - SIN
2 stops37h 00mQatar Airways
Thu 10/172:15 amSIN - STL
2 stops34h 43mQatar Airways
Deal found 5/6$1,355
Tue 10/85:30 pmSTL - SIN
3 stops56h 55mCathay Pacific
Fri 10/188:10 pmSIN - STL
2 stops36h 57mCathay Pacific
Deal found 5/6$1,393
Fri 11/157:15 amSTL - SIN
1 stop23h 00mUnited Airlines
Tue 11/1910:15 amSIN - STL
1 stop20h 48mUnited Airlines
Deal found 5/5$1,415
Tue 10/85:30 pmSTL - SIN
3 stops56h 55mCathay Pacific
Fri 10/181:25 pmSIN - STL
3 stops43h 42mCathay Pacific
Deal found 5/6$1,416
Wed 5/811:10 amSTL - SIN
2 stops30h 35mUnited Airlines
Sat 5/189:00 pmSIN - STL
2 stops25h 58mUnited Airlines
Deal found 5/6$1,420

Find flights from St. Louis to Singapore within your budget

Customize your flight search to find flights from St. Louis to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,308 - $3,052

Route

Depart

Return

Price

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

2 stops37h 00m

Singapore Changi

Fri 10/18

2 stops50h 28m

$1,308

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

2 stops42h 05m

Singapore Changi

Fri 10/18

2 stops26h 37m

$1,315

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

2 stops42h 05m

Singapore Changi

Thu 10/17

2 stops31h 22m

$1,327

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

2 stops42h 05m

Singapore Changi

Fri 10/18

3 stops43h 42m

$1,343

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

2 stops37h 00m

Singapore Changi

Thu 10/17

2 stops34h 43m

$1,355

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

3 stops56h 55m

Singapore Changi

Fri 10/18

2 stops36h 57m

$1,393

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Tue 10/8

2 stops30h 10m

Singapore Changi

Fri 10/18

1 stop21h 23m

$1,420

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 6/22

2 stops35h 08m

Singapore Changi

Sat 7/6

2 stops33h 55m

$2,151

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

Sat 6/22

2 stops43h 10m

Singapore Changi

Sat 7/6

1 stop26h 50m

$3,052

Flights are sorted by cheapest first

Deals found on 5/6

When is the best time to book a flight from St. Louis to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Singapore. Price data was last updated on May 3, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Singapore, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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When is the cheapest time to fly from St. Louis to Singapore?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Singapore. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Singapore flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Singapore by month

Plan your trip from St. Louis to Singapore by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Singapore is currently $0 while a round-trip flight costs $1,629. Price data was last updated on May 5, 2024.

Currently, April is the cheapest month in which you can book a flight from St. Louis to Singapore (average of $1,139). Flying from St. Louis to Singapore in June is currently the most expensive (average of $1,661). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$1,176

February

$1,167

March

$1,149

April

$1,139

May

$1,290

June

$1,661

July

$1,555

August

$1,290

September

$1,247

October

$1,219

November

$1,256

December

$1,437

Temperature and rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average temperature and rainfall totals by month.

SIN

Temperature

78.8 - 82.4 °F

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated May 7, 2024.
Get a feel of what it's like to fly with Qatar Airways, Cathay Pacific and United Airlines from St. Louis to Singapore by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,478 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.9

Overall

8.3

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Japan Airlines
8.3
Very good
1,478 reviews
Japan Airlines
8.3
Very good
1,478 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.9

Overall

8.3

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Cathay Pacific
7.8
Good
1,100 reviews
Japan Airlines
8.3
Very good
1,478 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.9

Overall

8.3

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Finnair
7.8
Good
1,379 reviews
Japan Airlines
8.3
Very good
1,478 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.9

Overall

8.3

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Qatar Airways
7.7
Good
4,439 reviews
Japan Airlines
8.3
Very good
1,478 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.9

Overall

8.3

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

United Airlines
7.4
Good
11,090 reviews
Japan Airlines
8.3
Very good
1,478 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.9

Overall

8.3

Entertainment

7.8

Reviews

1 / 10

Good food. Great crew. Online access to upgrade to Economy Plus was confusing and difficult. Or possibly just sold out. JAL's English website is challenging.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Singapore for under $1,400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Singapore for under $1,400. The cheapest flight booked recently is on Qatar Airways for just $1,308, but on average you can expect to pay $2,737.

  • What are the cheapest airlines flying from St. Louis to Singapore round-trip?

    Cheapflights users have booked flights from St. Louis to Singapore round-trip from $1,308. Other airlines that can offer you cheap pricing are Cathay Pacific, from $1,315, and United Airlines, from $1,420. Qatar Airways is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular airlines that fly from St. Louis to Singapore?

    Consider American Airlines, Delta or Japan Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Singapore.

  • What does STL to SIN mean?

    This is defined as Lambert-St Louis Airport (STL) and Singapore Changi Airport (SIN). Codes like Singapore Changi Airport are often used to just call airports uniquely.

  • Can I find deals for flights from St. Louis to Singapore that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Singapore flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Singapore with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Singapore flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Singapore that include hotel bookings?

    Yes. In addition to deals on St. Louis to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Singapore.

  • Can I find deals for business class flights from St. Louis to Singapore?

    Yes. Cheapflights offers flight deals from St. Louis to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Singapore that allow pets onboard?

    Many airlines flying from St. Louis to Singapore offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Singapore?

    Yes, you can often find last-minute deals on St. Louis to Singapore flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Singapore flight deals updated?

    The St. Louis to Singapore flight deals you see on this page were last updated on 5/6.

See more FAQs

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Alternative routes for St. Louis to Singapore
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from St. Louis to Singapore

Discover the top 6 airlines that operate flights from St. Louis to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,301Average$1,635FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
LufthansaCheapest$1,317Average$1,657FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest$1,370Average$1,803FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,401Average$1,618FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Japan AirlinesCheapest$1,433Average$1,500FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
DeltaCheapest$1,449Average$1,529FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from St. Louis to Singapore by cabin class

Find flights from St. Louis to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Singapore?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Singapore from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Singapore?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Singapore from St. Louis.

Can Cheapflights find flights from St. Louis to Singapore with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Singapore, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Singapore become cheaper?

Yes! Start tracking prices for St. Louis to Singapore flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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