$422+ Cheap flights from St. Louis (STL) to Singapore
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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
Mar 12 — Mar 191
1 adult, Economy
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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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Best
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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 February 10, 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 February 10, 2026.
This CheapTickets deal was found by Cheapflights users on 2/9. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:20 pm
STL
- SIN
1 stop36h 25m
Multiple Airlines
Thu 4/29:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$974
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:20 pm
STL
- SIN
1 stop36h 25m
Multiple Airlines
Fri 4/39:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,109
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:30 am
STL
- SIN
2 stops32h 45m
Air Canada
Thu 5/217:00 am
SIN
- STL
2 stops26h 05m
Air Canada
Deal found 2/10![Air Canada logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/266:51 am
STL
- SIN
1 stop24h 24m
United Airlines
Thu 4/28:35 pm
SIN
- STL
1 stop22h 15m
United Airlines
Deal found 2/8![United Airlines logo]()
$1,176
This Qatar Airways deal was found by Cheapflights users on 2/7. 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.
Wed 3/257:00 am
STL
- SIN
2 stops36h 45m
Qatar Airways
Wed 4/17:40 pm
SIN
- STL
2 stops38h 31m
Qatar Airways
Deal found 2/7![Qatar Airways logo]()
$1,201
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Wed 3/253:50 pm
STL
- SIN
1 stop36h 55m
Multiple Airlines
Wed 4/13:20 pm
SIN
- STL
2 stops45h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$1,227
This Qatar Airways deal was found by Cheapflights users on 2/6. 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.
Wed 9/302:45 pm
STL
- SIN
2 stops29h 05m
Qatar Airways
Sat 10/33:15 am
SIN
- STL
2 stops33h 05m
Qatar Airways
Deal found 2/6![Qatar Airways logo]()
$1,238
This KAYAK deal was found by Cheapflights users on 2/9. 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.
Sat 4/48:00 am
STL
- SIN
2 stops42h 45m
Qatar Airways
Sat 4/117:40 pm
SIN
- STL
2 stops36h 53m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,278
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/196:00 pm
STL
- SIN
2 stops36h 15m
United Airlines
Sun 3/2210:20 pm
SIN
- STL
2 stops27h 59m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,281
This Singapore Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 5/157:56 pm
STL
- SIN
1 stop32h 39m
Multiple Airlines
Thu 5/219:00 am
SIN
- STL
1 stop27h 57m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,302
This EVA Air deal was found by Cheapflights users on 2/8. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:20 pm
STL
- SIN
2 stops30h 35m
Multiple Airlines
Mon 5/41:10 pm
SIN
- STL
3 stops38h 40m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,309
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 February 10, 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 February 10, 2026.
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:20 pm
STL
- SIN
1 stop36h 25m
Multiple Airlines
Fri 4/39:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,109
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:30 am
STL
- SIN
2 stops32h 45m
Air Canada
Thu 5/217:00 am
SIN
- STL
2 stops26h 05m
Air Canada
Deal found 2/10![Air Canada logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 2/8. 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 4/208:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Mon 5/48:35 pm
SIN
- STL
1 stop22h 12m
United Airlines
Deal found 2/8![United Airlines logo]()
$1,176
This Qatar Airways deal was found by Cheapflights users on 2/7. 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.
Wed 3/257:00 am
STL
- SIN
2 stops36h 45m
Qatar Airways
Wed 4/17:40 pm
SIN
- STL
2 stops38h 31m
Qatar Airways
Deal found 2/7![Qatar Airways logo]()
$1,201
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/266:51 am
STL
- SIN
1 stop24h 24m
United Airlines
Thu 4/28:35 pm
SIN
- STL
1 stop22h 15m
United Airlines
Deal found 2/8![United Airlines logo]()
$1,176
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Wed 3/253:50 pm
STL
- SIN
1 stop36h 55m
Multiple Airlines
Wed 4/13:20 pm
SIN
- STL
2 stops45h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$1,227
This KAYAK deal was found by Cheapflights users on 2/9. 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.
Sat 4/48:00 am
STL
- SIN
2 stops42h 45m
Qatar Airways
Sat 4/117:40 pm
SIN
- STL
2 stops36h 53m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,278
This Singapore Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 5/157:56 pm
STL
- SIN
1 stop32h 39m
Multiple Airlines
Thu 5/219:00 am
SIN
- STL
1 stop27h 57m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,302
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/216:25 am
STL
- SIN
2 stops35h 35m
United Airlines
Mon 3/2310:20 pm
SIN
- STL
2 stops24h 01m
United Airlines
Deal found 2/9![United Airlines logo]()
$1,422
Last-minute flights from St. Louis to SingaporeDiscover last-minute flight deals from St. Louis to Singapore. Data last updated February 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Singapore. Data last updated February 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/196:00 pm
STL
- SIN
2 stops36h 15m
United Airlines
Sun 3/2210:20 pm
SIN
- STL
2 stops27h 59m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/216:25 am
STL
- SIN
2 stops35h 35m
United Airlines
Mon 3/2310:20 pm
SIN
- STL
2 stops24h 01m
United Airlines
Deal found 2/9![United Airlines logo]()
$1,422
This Qatar Airways deal was found by Cheapflights users on 2/7. 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.
Wed 3/257:00 am
STL
- SIN
2 stops36h 45m
Qatar Airways
Wed 4/17:40 pm
SIN
- STL
2 stops38h 31m
Qatar Airways
Deal found 2/7![Qatar Airways logo]()
$1,201
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Wed 3/253:50 pm
STL
- SIN
1 stop36h 55m
Multiple Airlines
Wed 4/13:20 pm
SIN
- STL
2 stops45h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$1,227
This CheapTickets deal was found by Cheapflights users on 2/9. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:20 pm
STL
- SIN
1 stop36h 25m
Multiple Airlines
Thu 4/29:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$974
This United Airlines deal was found by Cheapflights users on 2/8. 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 3/266:51 am
STL
- SIN
1 stop24h 24m
United Airlines
Thu 4/28:35 pm
SIN
- STL
1 stop22h 15m
United Airlines
Deal found 2/8![United Airlines logo]()
$1,176
This CheapTickets deal was found by Cheapflights users on 2/9. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:13 pm
STL
- SIN
2 stops33h 42m
Qatar Airways
Thu 4/27:40 pm
SIN
- STL
2 stops32h 48m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,467
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:20 pm
STL
- SIN
1 stop36h 25m
Multiple Airlines
Fri 4/39:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,109
This Qatar Airways deal was found by Cheapflights users on 2/10. 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.
Fri 3/277:00 am
STL
- SIN
2 stops36h 50m
Qatar Airways
Fri 4/37:40 pm
SIN
- STL
2 stops37h 02m
Qatar Airways
Deal found 2/10![Qatar Airways logo]()
$1,498
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 February 10, 2026.
Search for one-way flight options from St. Louis to Singapore. Find affordable one-way fares based on user searches. Data last updated February 10, 2026.
This Expedia deal was found by Cheapflights users on 2/9. 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 2/157:00 am
STL
- SIN
2 stops36h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$422
This KAYAK deal was found by Cheapflights users on 2/9. 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 2/1610:37 am
STL
- SIN
2 stops35h 18m
Cathay Pacific
Deal found 2/9![Cathay Pacific logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Mon 2/168:22 pm
STL
- SIN
3 stops56h 33m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$532
This FlightHub deal was found by Cheapflights users on 2/8. 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.
Thu 6/47:30 am
STL
- SIN
2 stops32h 45m
Air Canada
Deal found 2/8![Air Canada logo]()
$588
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/165:25 pm
STL
- SIN
1 stop24h 35m
United Airlines
Deal found 2/9![United Airlines logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Tue 2/1710:37 am
STL
- SIN
3 stops47h 18m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$673
This United Airlines deal was found by Cheapflights users on 2/9. 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 2/155:25 pm
STL
- SIN
1 stop36h 50m
United Airlines
Deal found 2/9![United Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 2/8. 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 6/47:06 pm
STL
- SIN
1 stop22h 09m
United Airlines
Deal found 2/8![United Airlines logo]()
$951
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sun 7/510:45 am
STL
- SIN
3 stops54h 25m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$2,348
This Arangrant deal was found by Cheapflights users on 2/9. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:36 am
STL
- SIN
2 stops46h 09m
Japan Airlines
Deal found 2/9![Japan Airlines logo]()
$2,839
This BusinessClass deal was found by Cheapflights users on 2/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:54 am
STL
- SIN
2 stops32h 16m
Japan Airlines
Deal found 2/9![Japan Airlines logo]()
$3,087
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 February 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $974 (CheapTickets) |
One-way from | $422 (Expedia) |
Popular in | December |
Cheapest in | January |
Average price | $1,407 |
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 February 10, 2026.
Use the filters below to find and compare flights from St. Louis to Singapore that are best for you.
Fly from
St. Louis
Fly to
Singapore
Route
Depart
Return
Price
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Fri 3/27
4:20 pm-5:45 pm
1 stop36h 25m
Singapore Changi
Fri 4/3
9:00 am-11:59 pm
1 stop27h 59m
$1,109
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Fri 5/15
7:30 am-5:15 am
2 stops32h 45m
Singapore Changi
Thu 5/21
7:00 am-8:05 pm
2 stops26h 05m
$1,144
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Mon 4/20
8:30 am-6:45 am
1 stop33h 15m
Singapore Changi
Mon 5/4
8:35 pm-5:47 am
1 stop22h 12m
$1,176
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Thu 3/26
6:51 am-8:15 pm
1 stop24h 24m
Singapore Changi
Thu 4/2
8:35 pm-5:50 am
1 stop22h 15m
$1,176
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 3/25
7:00 am-8:45 am
2 stops36h 45m
Singapore Changi
Wed 4/1
7:40 pm-9:11 pm
2 stops38h 31m
$1,201
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 3/25
3:50 pm-5:45 pm
1 stop36h 55m
Singapore Changi
Wed 4/1
3:20 pm-11:59 pm
2 stops45h 39m
$1,227
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 4/4
8:00 am-3:45 pm
2 stops42h 45m
Singapore Changi
Sat 4/11
7:40 pm-7:33 pm
2 stops36h 53m
$1,278
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Fri 5/15
7:56 pm-5:35 pm
1 stop32h 39m
Singapore Changi
Thu 5/21
9:00 am-11:57 pm
1 stop27h 57m
$1,302
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 3/21
6:25 am-7:00 am
2 stops35h 35m
Singapore Changi
Mon 3/23
10:20 pm-9:21 am
2 stops24h 01m
$1,422
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sun 2/15
7:00 am-9:35 am
2 stops36h 35m
$422
Showing 1-10 of 20 results
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
No data available for this route at this time. Please check back soon.
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 February 10, 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
Crew
8.1
Food
6.6
Entertainment
7.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Crew
8.1
Food
6.6
Entertainment
7.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,094 | Average$1,447 | FlexibilityNo cancel fee | On-time69% |