$925+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
Mar 5 — Mar 121
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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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 3, 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 3, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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.
Tue 3/310:37 am
STL
- SIN
2 stops29h 03m
Cathay Pacific
Tue 3/106:00 pm
SIN
- STL
2 stops42h 58m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$925
This oojo deal was found by Cheapflights users on 2/2. 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 4/2012:25 pm
STL
- SIN
2 stops28h 05m
Cathay Pacific
Mon 5/412:45 pm
SIN
- STL
2 stops43h 49m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$940
This oojo deal was found by Cheapflights users on 2/1. 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.
Fri 10/169:42 am
STL
- SIN
2 stops37h 03m
Cathay Pacific
Wed 10/211:45 am
SIN
- STL
2 stops34h 20m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,029
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/76:36 pm
STL
- SIN
2 stops56h 14m
Cathay Pacific
Thu 3/1212:55 pm
SIN
- STL
2 stops47h 40m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/195:15 am
STL
- SIN
2 stops26h 00m
United Airlines
Thu 3/2610:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,127
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/35:25 pm
STL
- SIN
1 stop24h 35m
United Airlines
Tue 3/1010:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 2/2. 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
2 stops24h 43m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,181
This KAYAK deal was found by Cheapflights users on 2/1. 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 4/410:33 am
STL
- SIN
2 stops40h 07m
Cathay Pacific
Sat 4/118:05 pm
SIN
- STL
2 stops39h 54m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,226
This Qatar Airways deal was found by Cheapflights users on 2/2. 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 stops29h 48m
Qatar Airways
Deal found 2/2![Qatar Airways logo]()
$1,238
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Fri 10/163:24 pm
STL
- SIN
1 stop37h 11m
Multiple Airlines
Thu 10/229:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,274
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/72:47 pm
STL
- SIN
1 stop36h 58m
Multiple Airlines
Thu 3/129:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,303
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 3, 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 3, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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.
Tue 3/310:37 am
STL
- SIN
2 stops29h 03m
Cathay Pacific
Tue 3/106:00 pm
SIN
- STL
2 stops42h 58m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$925
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/195:15 am
STL
- SIN
2 stops26h 00m
United Airlines
Thu 3/2610:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,127
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/72:47 pm
STL
- SIN
1 stop36h 58m
Multiple Airlines
Thu 3/122:45 pm
SIN
- STL
2 stops22h 14m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,303
This oojo deal was found by Cheapflights users on 2/2. 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 4/2012:25 pm
STL
- SIN
2 stops28h 05m
Cathay Pacific
Mon 5/412:45 pm
SIN
- STL
2 stops43h 49m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$940
This United Airlines deal was found by Cheapflights users on 2/2. 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 5/49:00 am
SIN
- STL
1 stop22h 22m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,177
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/76:36 pm
STL
- SIN
2 stops56h 14m
Cathay Pacific
Thu 3/1212:55 pm
SIN
- STL
2 stops47h 40m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/35:25 pm
STL
- SIN
1 stop24h 35m
United Airlines
Tue 3/1010:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,177
This KAYAK deal was found by Cheapflights users on 2/1. 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 4/410:33 am
STL
- SIN
2 stops40h 07m
Cathay Pacific
Sat 4/118:05 pm
SIN
- STL
2 stops39h 54m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,226
Last-minute flights from St. Louis to SingaporeDiscover last-minute flight deals from St. Louis to Singapore. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Singapore. Data last updated February 3, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 1/31. 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.
Wed 2/48:45 am
STL
- SIN
2 stops26h 10m
Multiple Airlines
Fri 2/610:20 pm
SIN
- STL
2 stops31h 43m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,372
This KAYAK deal was found by Cheapflights users on 1/31. 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.
Wed 2/48:45 am
STL
- SIN
2 stops26h 10m
ANA
Fri 2/610:20 pm
SIN
- STL
1 stop31h 17m
ANA
Deal found 1/31![ANA logo]()
$1,379
This oojo deal was found by Cheapflights users on 2/2. 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.
Tue 3/310:37 am
STL
- SIN
2 stops29h 03m
Cathay Pacific
Tue 3/106:00 pm
SIN
- STL
2 stops42h 58m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$925
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/35:25 pm
STL
- SIN
1 stop24h 35m
United Airlines
Tue 3/1010:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,177
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Tue 3/32:21 pm
STL
- SIN
2 stops28h 24m
Multiple Airlines
Mon 3/92:30 am
SIN
- STL
3 stops33h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,463
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/76:36 pm
STL
- SIN
2 stops56h 14m
Cathay Pacific
Thu 3/1212:55 pm
SIN
- STL
2 stops47h 40m
Cathay Pacific
Deal found 2/1![Cathay Pacific logo]()
$1,085
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/72:47 pm
STL
- SIN
1 stop36h 58m
Multiple Airlines
Thu 3/129:00 am
SIN
- STL
1 stop27h 59m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,303
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/195:15 am
STL
- SIN
2 stops26h 00m
United Airlines
Thu 3/2610:10 am
SIN
- STL
1 stop25h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,127
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 3, 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 3, 2026.
This business-class.com deal was found by Cheapflights users on 2/1. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:50 pm
STL
- SIN
2 stops28h 15m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$3,007
This Arangrant deal was found by Cheapflights users on 2/2. 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.
Wed 4/158:54 am
STL
- SIN
2 stops32h 16m
Japan Airlines
Deal found 2/2![Japan Airlines logo]()
$3,044
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/158:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Deal found 2/1![United Airlines logo]()
$4,153
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $925 (oojo) |
Popular in | December |
Cheapest in | April |
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 3, 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
Tue 3/3
10:37 am-5:40 am
2 stops29h 03m
Singapore Changi
Tue 3/10
6:00 pm-11:58 pm
2 stops42h 58m
$925
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Mon 4/20
12:25 pm-5:30 am
2 stops28h 05m
Singapore Changi
Mon 5/4
12:45 pm-7:34 pm
2 stops43h 49m
$940
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 3/7
6:36 pm-4:50 pm
2 stops56h 14m
Singapore Changi
Thu 3/12
12:55 pm-11:35 pm
2 stops47h 40m
$1,085
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Thu 3/19
5:15 am-8:15 pm
2 stops26h 00m
Singapore Changi
Thu 3/26
10:10 am-10:25 pm
1 stop25h 15m
$1,127
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
9:00 am-6:22 pm
1 stop22h 22m
$1,177
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Tue 3/3
5:25 pm-8:00 am
1 stop24h 35m
Singapore Changi
Tue 3/10
10:10 am-10:25 pm
1 stop25h 15m
$1,177
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 4/4
10:33 am-3:40 pm
2 stops40h 07m
Singapore Changi
Sat 4/11
8:05 pm-10:59 pm
2 stops39h 54m
$1,226
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 3/7
2:47 pm-5:45 pm
1 stop36h 58m
Singapore Changi
Thu 3/12
2:45 pm-11:59 pm
2 stops22h 14m
$1,303
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 4/15
3:50 pm-9:05 am
2 stops28h 15m
$3,007
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 4/15
8:54 am-6:10 am
2 stops32h 16m
$3,044
Showing 1-10 of 11 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 3, 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.
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for St. Louis to Singapore
See prices for flight routes from nearby airports that may be better suited for you.
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,094 | Average$1,474 | FlexibilityNo cancel fee | On-time69% |