$626+ Cheap flights from St. Louis (STL) to Singapore (SIN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
5월 24 — 5월 311
Round-trip
1 adult, Economy
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Best
Last-minute
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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 4월 24, 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 4월 24, 2026.
This oojo deal was found by Cheapflights users on 4/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/166:00 am
STL
- SIN
2 stops37h 50m
Qatar Airways
일 9/277:40 pm
SIN
- STL
2 stops41h 19m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,225
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 5/412:27 pm
STL
- SIN
2 stops38h 48m
Qatar Airways
일 5/171:30 am
SIN
- STL
2 stops35h 24m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,233
This Singapore Airlines deal was found by Cheapflights users on 4/19. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/163:17 pm
STL
- SIN
1 stop37h 18m
Multiple Airlines
일 9/279:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,411
This oojo deal was found by Cheapflights users on 4/20. 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.
화 4/284:46 pm
STL
- SIN
2 stops58h 29m
Qatar Airways
화 7/147:40 pm
SIN
- STL
2 stops41h 19m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,423
This IEagle deal was found by Cheapflights users on 4/23. 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.
수 7/291:09 pm
STL
- SIN
2 stops30h 41m
Qatar Airways
일 8/23:15 am
SIN
- STL
2 stops30h 14m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$1,463
This Qatar Airways deal was found by Cheapflights users on 4/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
목 10/2210:14 am
STL
- SIN
2 stops33h 36m
Qatar Airways
일 10/253:15 am
SIN
- STL
2 stops33h 10m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,481
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 8/27:26 pm
STL
- SIN
2 stops36h 49m
Qatar Airways
목 8/133:15 am
SIN
- STL
2 stops29h 17m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,501
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 8/27:26 pm
STL
- SIN
2 stops36h 49m
Qatar Airways
월 8/173:15 am
SIN
- STL
2 stops33h 44m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,519
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 8/19:41 am
STL
- SIN
2 stops41h 04m
Qatar Airways
목 8/133:15 am
SIN
- STL
2 stops29h 17m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,541
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 8/27:26 pm
STL
- SIN
2 stops36h 49m
Qatar Airways
토 8/153:15 am
SIN
- STL
2 stops32h 40m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,547
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 8/15:28 pm
STL
- SIN
2 stops38h 47m
Qatar Airways
월 8/177:40 pm
SIN
- STL
2 stops41h 19m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,559
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 4월 24, 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 4월 24, 2026.
This oojo deal was found by Cheapflights users on 4/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/166:00 am
STL
- SIN
2 stops37h 50m
Qatar Airways
일 9/277:40 pm
SIN
- STL
2 stops41h 19m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$1,225
This Singapore Airlines deal was found by Cheapflights users on 4/19. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
수 9/163:17 pm
STL
- SIN
1 stop37h 18m
Multiple Airlines
일 9/279:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,411
This United Airlines deal was found by Cheapflights users on 4/22. 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.
월 5/47:06 pm
STL
- SIN
1 stop34h 29m
United Airlines
월 5/188:35 pm
SIN
- STL
1 stop22h 12m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,716
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 8/37:26 pm
STL
- SIN
2 stops36h 49m
Qatar Airways
월 8/173:15 am
SIN
- STL
2 stops33h 44m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,519
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 8/37:26 pm
STL
- SIN
2 stops31h 19m
Qatar Airways
토 8/153:15 am
SIN
- STL
2 stops32h 40m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,547
This Qatar Airways deal was found by Cheapflights users on 4/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
토 8/17:25 pm
STL
- SIN
2 stops31h 20m
Qatar Airways
월 8/173:15 am
SIN
- STL
2 stops33h 44m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,559
This United Airlines deal was found by Cheapflights users on 4/22. 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.
화 7/287:23 pm
STL
- SIN
1 stop21h 52m
United Airlines
목 8/138:45 am
SIN
- STL
1 stop22h 39m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,976
This Mytrip deal was found by Cheapflights users on 4/22. 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.
토 6/62:15 pm
STL
- SIN
3 stops32h 30m
Multiple Airlines
토 6/137:00 am
SIN
- STL
3 stops26h 09m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$2,171
This United Airlines deal was found by Cheapflights users on 4/23. 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.
일 8/27:23 pm
STL
- SIN
1 stop21h 52m
United Airlines
일 8/168:45 am
SIN
- STL
1 stop22h 39m
United Airlines
Deal found 4/23![United Airlines logo]()
$2,076
This United Airlines deal was found by Cheapflights users on 4/19. 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.
월 7/134:48 pm
STL
- SIN
2 stops24h 27m
United Airlines
금 7/178:45 am
SIN
- STL
1 stop22h 32m
United Airlines
Deal found 4/19![United Airlines logo]()
$2,347
This United Airlines deal was found by Cheapflights users on 4/22. 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.
토 6/67:23 pm
STL
- SIN
1 stop34h 12m
United Airlines
토 6/138:35 pm
SIN
- STL
2 stops28h 36m
United Airlines
Deal found 4/22![United Airlines logo]()
$2,414
Last-minute flights from St. Louis to SingaporeDiscover last-minute flight deals from St. Louis to Singapore. Data last updated 4월 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Singapore. Data last updated 4월 24, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/20. 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.
화 4/284:46 pm
STL
- SIN
2 stops58h 29m
Qatar Airways
화 7/147:40 pm
SIN
- STL
2 stops41h 19m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,423
This Gurufare deal was found by Cheapflights users on 4/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 4/288:30 am
STL
- SIN
1 stop33h 15m
Multiple Airlines
화 7/148:45 am
SIN
- STL
1 stop22h 32m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,710
This Gurufare deal was found by Cheapflights users on 4/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
화 4/288:54 am
STL
- SIN
2 stops32h 51m
EVA Air
화 7/148:45 am
SIN
- STL
1 stop22h 32m
EVA Air
Deal found 4/20![EVA Air logo]()
$1,714
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
월 5/412:27 pm
STL
- SIN
2 stops38h 48m
Qatar Airways
일 5/171:30 am
SIN
- STL
2 stops35h 24m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 4/22. 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.
월 5/47:06 pm
STL
- SIN
1 stop22h 39m
United Airlines
월 5/188:35 pm
SIN
- STL
2 stops25h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,716
This oojo deal was found by Cheapflights users on 4/22. 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.
금 5/154:12 pm
STL
- SIN
2 stops27h 53m
Multiple Airlines
목 5/212:30 pm
SIN
- STL
2 stops37h 46m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$5,488
This oojo deal was found by Cheapflights users on 4/20. 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.
금 5/156:21 am
STL
- SIN
2 stops40h 24m
Cathay Pacific
목 5/216:00 pm
SIN
- STL
2 stops42h 56m
Cathay Pacific
Deal found 4/20![Cathay Pacific logo]()
$7,940
This United Airlines deal was found by Cheapflights users on 4/21. 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.
금 5/158:30 am
STL
- SIN
1 stop33h 15m
United Airlines
목 5/218:45 am
SIN
- STL
1 stop22h 32m
United Airlines
Deal found 4/21![United Airlines logo]()
$11,292
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 4월 24, 2026.
Search for one-way flight options from St. Louis to Singapore. Find affordable one-way fares based on user searches. Data last updated 4월 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
월 8/108:21 pm
STL
- SIN
2 stops46h 19m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
금 7/312:52 pm
STL
- SIN
3 stops41h 38m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$685
This oojo deal was found by Cheapflights users on 4/22. 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.
금 7/311:09 pm
STL
- SIN
2 stops30h 41m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
토 5/168:08 pm
STL
- SIN
3 stops53h 27m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$897
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
금 5/155:33 pm
STL
- SIN
3 stops57h 52m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$908
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
일 5/1712:36 pm
STL
- SIN
3 stops47h 09m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$935
This oojo deal was found by Cheapflights users on 4/23. 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.
토 5/166:00 am
STL
- SIN
2 stops45h 15m
Qatar Airways
Deal found 4/23![Qatar Airways logo]()
$966
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
일 5/177:05 am
STL
- SIN
2 stops33h 10m
Air Canada
Deal found 4/23![Air Canada logo]()
$977
This United Airlines deal was found by Cheapflights users on 4/22. 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.
금 7/317:23 pm
STL
- SIN
1 stop34h 12m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,242
Find 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 4월 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,225 (oojo) |
One-way from | $626 (Kiwi.com) |
Popular in | February |
Cheapest in | January |
Average price | $1,677 |
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 2,558,603 searches. Data last updated 4월 24, 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 - SIN
STLSIN
Lambert-St Louis
수 9/16
6:00 am-8:50 am
2 stops37h 50m
Singapore Changi
일 9/27
7:40 pm-11:59 pm
2 stops41h 19m
$1,225
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
수 9/16
3:17 pm-5:35 pm
1 stop37h 18m
Singapore Changi
일 9/27
9:00 am-11:59 pm
1 stop27h 59m
$1,411
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
월 8/3
7:26 pm-9:15 pm
2 stops36h 49m
Singapore Changi
월 8/17
3:15 am-11:59 pm
2 stops33h 44m
$1,519
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
월 8/3
7:26 pm-3:45 pm
2 stops31h 19m
Singapore Changi
토 8/15
3:15 am-10:55 pm
2 stops32h 40m
$1,547
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
토 8/1
7:25 pm-3:45 pm
2 stops31h 20m
Singapore Changi
월 8/17
3:15 am-11:59 pm
2 stops33h 44m
$1,559
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
월 5/4
7:06 pm-6:35 pm
1 stop34h 29m
Singapore Changi
월 5/18
8:35 pm-5:47 am
1 stop22h 12m
$1,716
Quickest round-trip
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
화 7/28
7:23 pm-6:15 am
1 stop21h 52m
Singapore Changi
목 8/13
8:45 am-6:24 pm
1 stop22h 39m
$1,976
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
일 8/2
7:23 pm-6:15 am
1 stop21h 52m
Singapore Changi
일 8/16
8:45 am-6:24 pm
1 stop22h 39m
$2,076
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
토 6/6
2:15 pm-11:45 am
3 stops32h 30m
Singapore Changi
토 6/13
7:00 am-8:09 pm
3 stops26h 09m
$2,171
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
월 7/13
4:48 pm-6:15 am
2 stops24h 27m
Singapore Changi
금 7/17
8:45 am-6:17 pm
1 stop22h 32m
$2,347
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Singapore
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Singapore in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Singapore flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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
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 4월 24, 2026.
See what other customers who have flown with United Airlines from St. Louis to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Related info for your journey
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St. Louis and Singapore flights
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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 2,558,603 searches. Data last updated 4월 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,094 | Average$1,474 | FlexibilityNo cancel fee | On-time69% |