$563+ Cheap flights from St. Louis (STL) to Singapore
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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Singapore with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Singapore
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Best
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One-way
Cheapest flights from St. Louis to SingaporeExplore the most affordable flight options available from St. Louis to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from St. Louis to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Flightnetwork deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:40 pm -
1 stop35h 25m
Tue 12/811:55 pm -
1 stop27h 50m
Deal found 10/18![Lufthansa logo]()
$1,205
This Expedia deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
2 stops33h 00m
Tue 12/88:15 am -
2 stops22h 25m
Deal found 10/18![Multiple Airlines logo]()
$1,218
This KAYAK deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops28h 50m
Mon 11/2310:30 am -
2 stops27h 29m
Deal found 10/18![Multiple Airlines logo]()
$1,230
This oojo deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:14 pm -
2 stops29h 31m
Mon 12/78:15 pm -
2 stops37h 43m
Deal found 10/15![Qatar Airways logo]()
$1,279
This Expedia deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:04 am -
2 stops27h 36m
Wed 12/96:35 am -
2 stops24h 05m
Deal found 10/18![Multiple Airlines logo]()
$1,286
This Cathay Pacific deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:26 am -
2 stops38h 24m
Mon 11/98:20 pm -
2 stops37h 59m
Deal found 10/18![Cathay Pacific logo]()
$1,300
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:05 pm -
1 stop22h 55m
Sun 12/610:10 am -
1 stop22h 01m
Deal found 10/15![United Airlines logo]()
$1,342
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:00 am -
2 stops35h 55m
Mon 12/710:10 am -
1 stop22h 01m
Deal found 10/15![United Airlines logo]()
$1,351
This IEagle deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:26 am -
2 stops33h 14m
Mon 11/3010:25 pm -
2 stops32h 19m
Deal found 10/16![Japan Airlines logo]()
$1,352
This IEagle deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:50 pm -
2 stops30h 35m
Mon 11/3011:55 pm -
2 stops36h 20m
Deal found 10/16![Lufthansa logo]()
$1,359
Best flights from St. Louis to SingaporeDiscover carefully curated flight deals from St. Louis to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from St. Louis to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Cathay Pacific deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:26 am -
2 stops38h 24m
Mon 11/98:20 pm -
2 stops37h 59m
Deal found 10/17![Cathay Pacific logo]()
$1,300
This Turkish Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:30 am -
2 stops37h 30m
Sat 11/710:25 am -
2 stops49h 15m
Deal found 10/17![Turkish Airlines logo]()
$1,404
This China Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:25 am -
3 stops38h 40m
Tue 11/242:00 am -
2 stops36h 55m
Deal found 10/19![Multiple Airlines logo]()
$1,672
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 pm -
1 stop35h 10m
Mon 11/3010:45 am -
2 stops67h 39m
Deal found 10/16![United Airlines logo]()
$1,923
This Justfly.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:14 pm -
2 stops40h 26m
Tue 12/2910:05 pm -
2 stops34h 19m
Deal found 10/15![Finnair logo]()
$2,070
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:04 pm -
3 stops30h 46m
Mon 12/78:20 pm -
3 stops33h 06m
Deal found 10/15![Multiple Airlines logo]()
$1,840
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:30 am -
2 stops33h 30m
Wed 11/2510:10 am -
1 stop21h 55m
Deal found 10/19![United Airlines logo]()
$1,947
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop45h 45m
Sat 12/58:45 pm -
1 stop37h 55m
Deal found 10/18![Multiple Airlines logo]()
$1,927
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 am -
2 stops33h 25m
Mon 11/910:10 am -
1 stop26h 05m
Deal found 10/18![United Airlines logo]()
$2,151
Last-minute flights from St. Louis to SingaporeDiscover last-minute flight deals from St. Louis to Singapore. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Singapore. Data last updated October 19, 2026 and is based on user searches.
This Cathay Pacific deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:26 am -
2 stops38h 24m
Mon 11/98:20 pm -
2 stops37h 59m
Deal found 10/18![Cathay Pacific logo]()
$1,300
This IEagle deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:50 pm -
2 stops30h 35m
Mon 11/3011:55 pm -
2 stops36h 20m
Deal found 10/16![Lufthansa logo]()
$1,359
This IEagle deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:26 am -
2 stops33h 14m
Mon 11/3010:25 pm -
2 stops32h 19m
Deal found 10/16![Japan Airlines logo]()
$1,352
This KAYAK deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:00 am -
2 stops28h 50m
Mon 11/2310:30 am -
2 stops27h 29m
Deal found 10/18![Multiple Airlines logo]()
$1,230
This Flightnetwork deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:40 pm -
1 stop35h 25m
Tue 12/811:55 pm -
1 stop27h 50m
Deal found 10/18![Lufthansa logo]()
$1,205
This Expedia deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
2 stops33h 00m
Tue 12/88:15 am -
2 stops22h 25m
Deal found 10/18![Multiple Airlines logo]()
$1,218
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/297:05 pm -
1 stop22h 55m
Sun 12/610:10 am -
1 stop22h 01m
Deal found 10/15![United Airlines logo]()
$1,342
This oojo deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:14 pm -
2 stops29h 31m
Mon 12/78:15 pm -
2 stops37h 43m
Deal found 10/15![Qatar Airways logo]()
$1,279
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:00 am -
2 stops35h 55m
Mon 12/710:10 am -
1 stop22h 01m
Deal found 10/15![United Airlines logo]()
$1,351
One-way flights from St. Louis to SingaporeSearch for one-way flight options from St. Louis to Singapore. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from St. Louis to Singapore. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Etihad Airways deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/99:58 am -
2 stops33h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:59 pm -
3 stops38h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Multiple Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/98:30 am -
1 stop45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:00 am -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$1,326
This Malaysia Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/96:01 am -
3 stops37h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Malaysia Airlines logo]()
$1,675
Find flight deals from St. Louis to Singapore
Keep the following information in mind while searching for St. Louis to Singapore flight deals. Data was last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,205 (Flightnetwork) |
One-way from | $563 (Etihad Airways) |
Popular in | February |
Cheapest in | October |
Average price | $1,035 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from St. Louis to Singapore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Tue 2/9
9:58 am-9:35 am
2 stops33h 37m
Singapore Changi
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$563
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Sat 10/31
7:59 pm-11:45 pm
3 stops38h 46m
Singapore Changi
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$616
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Tue 2/9
8:30 am-8:00 am
1 stop33h 30m
Singapore Changi
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$1,251
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Thu 11/5
7:26 am-11:50 am
2 stops38h 24m
Singapore Changi
Mon 11/9
8:20 pm-8:19 pm
2 stops37h 59m
$1,300
Quickest round-trip
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Sat 10/31
8:00 am-8:15 pm
1 stop23h 15m
Singapore Changi
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$1,326
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Sat 10/31
7:30 am-10:00 am
2 stops37h 30m
Singapore Changi
Sat 11/7
10:25 am-9:40 pm
2 stops49h 15m
$1,404
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Wed 11/18
8:25 am-1:05 pm
3 stops38h 40m
Singapore Changi
Tue 11/24
2:00 am-12:55 am
2 stops36h 55m
$1,672
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Tue 2/9
6:01 am-9:05 am
3 stops37h 04m
Singapore Changi
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$1,675
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Mon 11/30
3:04 pm-11:50 am
3 stops30h 46m
Singapore Changi
Mon 12/7
8:20 pm-3:26 pm
3 stops33h 06m
$1,840
St. LouisSingapore
STL Lambert-St Louis - SIN Singapore Changi
STLSIN
Lambert-St Louis
Mon 11/9
7:05 pm-8:15 pm
1 stop35h 10m
Singapore Changi
Mon 11/30
10:45 am-4:24 pm
2 stops67h 39m
$1,923
Showing 1-10 of 14 resultsSorted by cheapest first
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.
STL-SIN
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Singapore
STL-SG0
STL-SIN
What is the cheapest month to book a flight from St. Louis to Singapore?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Singapore (average of $1,035). Flying from St. Louis to Singapore in February is currently the most expensive (average of $3,095). 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.
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 October 19, 2026.
Read through reviews of airlines operating flights from St. Louis to Singapore, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.3
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Comfort
7.3
Boarding
7.7
Food
6.7
Overall
7.3
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
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St. Louis and Singapore flights
Browse other St. Louis and Singapore flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Singapore flights
Consider these flights traveling from St. Louis to Singapore.
Top airline flying from St. Louis to Singapore
Discover the top airline 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,126 | Average$1,525 | FlexibilityNo cancel fee | On-time69% |