Cheap flights from St. Louis (STL) to Singapore (SIN) from $1,366

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 9/19. 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
jun. 12 — jun. 191

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 junio 7, 2024.

Popular in

June

Cheapest in

April

Average price

$2,204

Round-trip from

$1,139
High demand for flights, 23% potential price rise
Best time to find cheap flights, 17% potential price drop
Average for round-trip flights in June 2024
From Lambert-St Louis to Singapore Changi

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 22% on your flight compared to booking on days when demand is much higher.

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 $1,703 on average during April, but can be found for as low as $1,370.

What is the cheapest time of day to fly from STL to 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 at noon, which can drop the price by up to 9% versus a flight in the afternoon.

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

Find cheap flight options from St. Louis to Singapore specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on junio 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.
mié. 7/104:05 pmSTL - SIN
2 stops50h 00mAir Canada
mar. 7/169:10 amSIN - STL
2 stops43h 11mAir Canada
Deal found 6/6$1,748
mié. 7/1012:15 pmSTL - SIN
3 stops31h 30mMultiple Airlines
mar. 7/165:55 pmSIN - STL
3 stops34h 45mMultiple Airlines
Deal found 6/6$1,749
dom. 7/286:20 amSTL - SIN
2 stops46h 35mTurkish Airlines
jue. 8/810:15 amSIN - STL
2 stops42h 25mTurkish Airlines
Deal found 6/6$1,757
mié. 7/1011:25 amSTL - SIN
2 stops29h 50mUnited Airlines
mar. 7/169:00 pmSIN - STL
2 stops26h 25mUnited Airlines
Deal found 6/6$1,770
sáb. 7/65:25 pmSTL - SIN
2 stops34h 05mAir France
sáb. 7/1310:35 pmSIN - STL
2 stops31h 31mAir France
Deal found 6/6$1,830
mié. 7/1011:10 amSTL - SIN
2 stops30h 05mUnited Airlines
mar. 7/1611:05 amSIN - STL
3 stops42h 23mUnited Airlines
Deal found 6/6$1,896
mié. 7/107:50 pmSTL - SIN
2 stops35h 55mQatar Airways
lun. 7/152:45 amSIN - STL
2 stops34h 14mQatar Airways
Deal found 6/6$1,907
mié. 7/106:04 amSTL - SIN
2 stops35h 11mJapan Airlines
lun. 7/151:50 amSIN - STL
2 stops24h 26mJapan Airlines
Deal found 6/6$1,996
sáb. 7/66:29 amSTL - SIN
2 stops46h 06mJapan Airlines
vie. 7/121:50 amSIN - STL
2 stops34h 17mJapan Airlines
Deal found 6/6$1,999

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 3,048,502 searches. Data last updated junio 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.
jue. 9/197:15 amSTL - SIN
1 stop22h 30mUnited Airlines
mié. 9/259:00 pmSIN - STL
2 stops32h 22mUnited Airlines
Deal found 6/6$1,366
jue. 9/1911:10 amSTL - SIN
2 stops30h 05mUnited Airlines
mié. 9/259:00 pmSIN - STL
2 stops26h 07mUnited Airlines
Deal found 6/6$1,370
jue. 9/199:37 amSTL - SIN
2 stops31h 38mAmerican Airlines
mar. 9/241:50 amSIN - STL
2 stops33h 58mAmerican Airlines
Deal found 6/6$1,385
jue. 9/199:37 amSTL - SIN
3 stops40h 48mMultiple Airlines
mié. 9/252:00 pmSIN - STL
2 stops22h 59mMultiple Airlines
Deal found 6/6$1,413
jue. 9/199:37 amSTL - SIN
3 stops40h 48mCathay Pacific
mié. 9/251:25 pmSIN - STL
3 stops46h 35mCathay Pacific
Deal found 6/6$1,485
vie. 8/212:00 pmSTL - SIN
2 stops30h 05mAir Canada
sáb. 8/179:10 amSIN - STL
2 stops43h 11mAir Canada
Deal found 6/6$1,682
jue. 9/199:37 amSTL - SIN
3 stops40h 48mCathay Pacific
mar. 9/241:45 amSIN - STL
2 stops58h 15mCathay Pacific
Deal found 6/6$1,738
mié. 7/104:05 pmSTL - SIN
2 stops50h 00mAir Canada
mar. 7/169:10 amSIN - STL
2 stops43h 11mAir Canada
Deal found 6/6$1,748
mié. 7/1012:15 pmSTL - SIN
3 stops31h 30mMultiple Airlines
mar. 7/165:55 pmSIN - STL
3 stops34h 45mMultiple Airlines
Deal found 6/6$1,749

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 3,048,502 searches. Data last updated junio 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,366 - $1,900

Route

Depart

Return

Price

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

jue. 9/19

1 stop22h 30m

Singapore Changi

mié. 9/25

2 stops32h 22m

$1,366

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

jue. 9/19

2 stops31h 38m

Singapore Changi

mar. 9/24

2 stops33h 58m

$1,385

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

mié. 11/6

2 stops31h 09m

Singapore Changi

sáb. 11/9

2 stops33h 31m

$1,410

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

jue. 9/19

3 stops40h 48m

Singapore Changi

mié. 9/25

2 stops22h 59m

$1,413

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

jue. 9/19

3 stops40h 48m

Singapore Changi

mié. 9/25

3 stops46h 35m

$1,485

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

jue. 7/4

2 stops46h 35m

Singapore Changi

jue. 7/11

2 stops33h 55m

$1,676

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

vie. 8/2

2 stops30h 05m

Singapore Changi

sáb. 8/17

2 stops43h 11m

$1,682

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

sáb. 7/6

2 stops34h 05m

Singapore Changi

sáb. 7/13

2 stops31h 31m

$1,830

Lambert-St LouisSingapore Changi

STL - SIN

STLSIN

Lambert-St Louis

vie. 8/2

2 stops34h 46m

Singapore Changi

vie. 8/16

2 stops33h 52m

$1,900

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day 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 June 2, 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.
Search Deals

Best time to book a flight from St. Louis to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 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 junio 7, 2024.
Get a feel of what it's like to fly with Air France, Qatar Airways and Lufthansa 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.
8.3
Very good
1,461 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

8.3
Very good
1,461 reviews
8.3
Very good
1,461 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.9
Good
1,489 reviews
8.3
Very good
1,461 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.8
Good
1,034 reviews
8.3
Very good
1,461 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.8
Good
1,362 reviews
8.3
Very good
1,461 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

7.7
Good
4,314 reviews
8.3
Very good
1,461 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Food

7.8

Reviews

1 / 10

I travel frequently but it was my first JAL flight and it turned out to be a good experience.

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 United Airlines for just $1,366, but on average you can expect to pay $1,674.

  • 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 $1,366. Other airlines that can offer you cheap pricing are American Airlines, from $1,385, and Qatar Airways, from $1,410. United Airlines is 19% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 6/6.

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

  • What is the cheapest month to book a flight from St. Louis to Singapore?

    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 $1,605). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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.

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 3,048,502 searches. Data last updated junio 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,308Average$1,783FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,317Average$1,657FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$1,370Average$1,716FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,401Average$1,618FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$1,433Average$1,500FlexibilityNo cancel feeOn-time79%
DeltaCheapest$1,449Average$1,529FlexibilityNo cancel feeOn-timeN/A

Search flights from St. Louis to Singapore by cabin class

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