$418+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
Apr 10 — Apr 171
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
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 March 11, 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 March 11, 2026.
This KAYAK deal was found by Cheapflights users on 3/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:30 am
STL
- SIN
2 stops43h 35m
Cathay Pacific
Fri 10/169:45 am
SIN
- STL
2 stops45h 19m
Cathay Pacific
Deal found 3/8![Cathay Pacific logo]()
$1,083
This flugladen.de deal was found by Cheapflights users on 3/9. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:21 am
STL
- SIN
1 stop36h 19m
Multiple Airlines
Wed 4/298:45 pm
SIN
- STL
1 stop40h 12m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,116
This Travelocity deal was found by Cheapflights users on 3/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:40 pm
STL
- SIN
2 stops49h 35m
Air Canada
Sat 9/197:00 am
SIN
- STL
2 stops44h 00m
Air Canada
Deal found 3/5![Air Canada logo]()
$1,117
This lol.travel deal was found by Cheapflights users on 3/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:30 pm
STL
- SIN
2 stops34h 15m
Qatar Airways
Sun 5/173:15 am
SIN
- STL
2 stops33h 41m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,131
This flugladen.de deal was found by Cheapflights users on 3/6. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:33 pm
STL
- SIN
2 stops29h 17m
Qatar Airways
Sun 4/263:15 am
SIN
- STL
2 stops32h 02m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$1,150
This flugladen.de deal was found by Cheapflights users on 3/8. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:30 pm
STL
- SIN
2 stops27h 20m
Qatar Airways
Wed 4/297:40 pm
SIN
- STL
2 stops39h 37m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,158
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:54 am
STL
- SIN
2 stops32h 16m
Japan Airlines
Wed 4/298:05 am
SIN
- STL
2 stops42h 58m
Japan Airlines
Deal found 3/7![Japan Airlines logo]()
$1,159
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:05 pm
STL
- SIN
2 stops48h 10m
Air Canada
Thu 4/307:00 am
SIN
- STL
2 stops42h 06m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,182
This Air Canada deal was found by Cheapflights users on 3/5. 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.
Thu 4/164:05 pm
STL
- SIN
2 stops48h 10m
Air Canada
Thu 4/237:00 am
SIN
- STL
2 stops45h 25m
Air Canada
Deal found 3/5![Air Canada logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 5/510:14 am
STL
- SIN
2 stops31h 31m
United Airlines
Mon 5/188:35 pm
SIN
- STL
1 stop22h 12m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Mon 5/258:45 am
SIN
- STL
1 stop22h 32m
United Airlines
Deal found 3/6![United Airlines logo]()
$1,226
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 March 11, 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 March 11, 2026.
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:05 pm
STL
- SIN
2 stops48h 10m
Air Canada
Thu 4/307:00 am
SIN
- STL
2 stops42h 06m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,182
This Trip.com deal was found by Cheapflights users on 3/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
STL
- SIN
2 stops33h 15m
Multiple Airlines
Wed 4/298:45 pm
SIN
- STL
1 stop40h 12m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,219
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/168:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Thu 4/238:35 pm
SIN
- STL
1 stop22h 15m
United Airlines
Deal found 3/5![United Airlines logo]()
$1,226
This KAYAK deal was found by Cheapflights users on 3/9. 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.
Fri 8/148:52 am
STL
- SIN
1 stop32h 23m
ANA
Sat 8/226:15 am
SIN
- STL
2 stops30h 22m
ANA
Deal found 3/9![ANA logo]()
$1,393
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Wed 5/138:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Mon 5/258:45 am
SIN
- STL
1 stop22h 32m
United Airlines
Deal found 3/10![United Airlines logo]()
$1,276
This EVA Air deal was found by Cheapflights users on 3/6. 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 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 4/271:10 pm
SIN
- STL
3 stops38h 40m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,396
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/237:45 am
STL
- SIN
2 stops34h 00m
United Airlines
Thu 4/309:00 am
SIN
- STL
1 stop22h 22m
United Airlines
Deal found 3/9![United Airlines logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 3/5. 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 9/58:52 am
STL
- SIN
1 stop32h 23m
United Airlines
Sat 9/198:45 am
SIN
- STL
1 stop22h 39m
United Airlines
Deal found 3/5![United Airlines logo]()
$1,326
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:23 pm
STL
- SIN
1 stop21h 52m
United Airlines
Fri 7/318:45 am
SIN
- STL
2 stops36h 56m
United Airlines
Deal found 3/7![United Airlines logo]()
$1,331
Last-minute flights from St. Louis to SingaporeDiscover last-minute flight deals from St. Louis to Singapore. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Singapore. Data last updated March 11, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/222:19 pm
STL
- SIN
2 stops35h 36m
Qatar Airways
Sun 3/297:40 pm
SIN
- STL
2 stops34h 33m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$1,232
This Air Canada deal was found by Cheapflights users on 3/5. 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.
Thu 4/164:05 pm
STL
- SIN
2 stops48h 10m
Air Canada
Thu 4/237:00 am
SIN
- STL
2 stops45h 25m
Air Canada
Deal found 3/5![Air Canada logo]()
$1,207
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/168:30 am
STL
- SIN
1 stop33h 15m
United Airlines
Thu 4/238:35 pm
SIN
- STL
1 stop22h 15m
United Airlines
Deal found 3/5![United Airlines logo]()
$1,226
This flugladen.de deal was found by Cheapflights users on 3/6. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:33 pm
STL
- SIN
2 stops29h 17m
Qatar Airways
Sun 4/263:15 am
SIN
- STL
2 stops32h 02m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$1,150
This flugladen.de deal was found by Cheapflights users on 3/9. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:21 am
STL
- SIN
1 stop36h 19m
Multiple Airlines
Wed 4/298:45 pm
SIN
- STL
1 stop40h 12m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,116
This flugladen.de deal was found by Cheapflights users on 3/8. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:30 pm
STL
- SIN
2 stops27h 20m
Qatar Airways
Wed 4/297:40 pm
SIN
- STL
2 stops39h 37m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,158
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:54 am
STL
- SIN
2 stops32h 16m
Japan Airlines
Wed 4/298:05 am
SIN
- STL
2 stops42h 58m
Japan Airlines
Deal found 3/7![Japan Airlines logo]()
$1,159
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:05 pm
STL
- SIN
2 stops48h 10m
Air Canada
Thu 4/307:00 am
SIN
- STL
2 stops42h 06m
Air Canada
Deal found 3/9![Air Canada logo]()
$1,182
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 4/237:45 am
STL
- SIN
2 stops34h 00m
United Airlines
Thu 4/309:00 am
SIN
- STL
1 stop22h 22m
United Airlines
Deal found 3/9![United Airlines logo]()
$1,281
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 March 11, 2026.
Search for one-way flight options from St. Louis to Singapore. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/98:12 pm
STL
- SIN
3 stops47h 53m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$418
This Orbitz deal was found by Cheapflights users on 3/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:20 pm
STL
- SIN
2 stops43h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$506
This Expedia deal was found by Cheapflights users on 3/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
STL
- SIN
2 stops33h 00m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$519
This KAYAK deal was found by Cheapflights users on 3/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:33 am
STL
- SIN
2 stops36h 12m
Cathay Pacific
Deal found 3/10![Cathay Pacific logo]()
$529
This Travelocity deal was found by Cheapflights users on 3/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/54:20 pm
STL
- SIN
2 stops64h 10m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$536
This oojo deal was found by Cheapflights users on 3/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:29 pm
STL
- SIN
2 stops29h 16m
Qatar Airways
Deal found 3/6![Qatar Airways logo]()
$550
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 March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,116 (flugladen.de) |
One-way from | $418 (Kiwi.com) |
Popular in | February |
Cheapest in | January |
Average price | $1,525 |
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 March 11, 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
Thu 4/23
4:05 pm-5:15 am
2 stops48h 10m
Singapore Changi
Thu 4/30
7:00 am-12:06 pm
2 stops42h 06m
$1,182
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 4/22
7:00 am-5:15 am
2 stops33h 15m
Singapore Changi
Wed 4/29
8:45 pm-11:57 pm
1 stop40h 12m
$1,219
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Thu 4/16
8:30 am-6:45 am
1 stop33h 15m
Singapore Changi
Thu 4/23
8:35 pm-5:50 am
1 stop22h 15m
$1,226
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 5/13
8:30 am-6:45 am
1 stop33h 15m
Singapore Changi
Mon 5/25
8:45 am-6:17 pm
1 stop22h 32m
$1,276
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Thu 4/23
7:45 am-6:45 am
2 stops34h 00m
Singapore Changi
Thu 4/30
9:00 am-6:22 pm
1 stop22h 22m
$1,281
Quickest round-trip
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 9/5
8:52 am-6:15 am
1 stop32h 23m
Singapore Changi
Sat 9/19
8:45 am-6:24 pm
1 stop22h 39m
$1,326
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 7/18
7:23 pm-6:15 am
1 stop21h 52m
Singapore Changi
Fri 7/31
8:45 am-8:41 am
2 stops36h 56m
$1,331
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Fri 8/14
8:52 am-6:15 am
1 stop32h 23m
Singapore Changi
Sat 8/22
6:15 am-11:37 pm
2 stops30h 22m
$1,393
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Mon 4/20
4:20 pm-11:55 am
2 stops30h 35m
Singapore Changi
Mon 4/27
1:10 pm-2:50 pm
3 stops38h 40m
$1,396
Cheapest one-way
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sat 5/9
8:12 pm-9:05 am
3 stops47h 53m
$418
Showing 1-10 of 16 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 March.
| 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.
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 March 11, 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.
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Food
6.6
Crew
8.1
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from St. Louis to Singapore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Singapore flights
Browse other St. Louis and Singapore flight options. Last updated on March 11, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on March 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Singapore
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 11, 2026.
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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,094 | Average$1,474 | FlexibilityNo cancel fee | On-time69% |