$620+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SIN
jul. 31 — ago. 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 julio 1, 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 julio 1, 2026.
This Justfly.com deal was found by Cheapflights users on 7/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/47:27 am
STL
- SIN
2 stops43h 18m
Qatar Airways
lun. 10/127:40 pm
SIN
- STL
2 stops41h 18m
Qatar Airways
Deal found 7/1![Qatar Airways logo]()
$1,142
This Air Canada deal was found by Cheapflights users on 6/28. 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.
mar. 8/1112:10 pm
STL
- SIN
2 stops28h 05m
Air Canada
mar. 8/187:00 am
SIN
- STL
2 stops26h 24m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,145
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/43:30 pm
STL
- SIN
1 stop36h 00m
Lufthansa
lun. 10/1211:40 pm
SIN
- STL
1 stop26h 45m
Lufthansa
Deal found 7/1![Lufthansa logo]()
$1,172
This FlightHub deal was found by Cheapflights users on 6/28. 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.
mar. 7/1412:10 pm
STL
- SIN
2 stops28h 05m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,240
This FlightHub deal was found by Cheapflights users on 6/28. 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.
lun. 7/132:40 pm
STL
- SIN
2 stops49h 35m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,245
This Justfly.com deal was found by Cheapflights users on 7/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/25:10 am
STL
- SIN
2 stops35h 05m
Air Canada
jue. 7/97:00 am
SIN
- STL
2 stops29h 57m
Air Canada
Deal found 7/1![Air Canada logo]()
$1,249
This FlightHub deal was found by Cheapflights users on 6/28. 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.
dom. 7/1212:10 pm
STL
- SIN
2 stops28h 05m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,277
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/158:08 pm
STL
- SIN
3 stops39h 37m
Multiple Airlines
sáb. 8/226:15 am
SIN
- STL
3 stops49h 58m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,373
This Air Canada deal was found by Cheapflights users on 6/27. 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.
mié. 8/1212:10 pm
STL
- SIN
2 stops52h 05m
Air Canada
dom. 8/167:00 am
SIN
- STL
2 stops48h 42m
Air Canada
Deal found 6/27![Air Canada logo]()
$1,413
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 julio 1, 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 julio 1, 2026.
This FlightHub deal was found by Cheapflights users on 6/29. 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.
lun. 7/138:55 am
STL
- SIN
2 stops55h 20m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops29h 57m
Air Canada
Deal found 6/29![Air Canada logo]()
$1,245
This United Airlines deal was found by Cheapflights users on 6/29. 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.
jue. 8/131:36 pm
STL
- SIN
2 stops27h 39m
United Airlines
jue. 8/208:35 pm
SIN
- STL
2 stops29h 05m
United Airlines
Deal found 6/29![United Airlines logo]()
$1,896
This United Airlines deal was found by Cheapflights users on 7/1. 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.
vie. 7/317:23 pm
STL
- SIN
1 stop21h 52m
United Airlines
vie. 8/78:45 am
SIN
- STL
1 stop22h 32m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,992
This United Airlines deal was found by Cheapflights users on 6/26. 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.
lun. 10/267:05 pm
STL
- SIN
1 stop22h 55m
United Airlines
jue. 10/2910:10 am
SIN
- STL
1 stop25h 00m
United Airlines
Deal found 6/26![United Airlines logo]()
$2,091
This United Airlines deal was found by Cheapflights users on 6/30. 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.
lun. 7/137:23 pm
STL
- SIN
1 stop21h 52m
United Airlines
mar. 7/288:45 am
SIN
- STL
1 stop22h 32m
United Airlines
Deal found 6/30![United Airlines logo]()
$2,192
Last-minute flights from St. Louis to SingaporeDiscover last-minute flight deals from St. Louis to Singapore. Data last updated julio 1, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Singapore. Data last updated julio 1, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 7/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/25:10 am
STL
- SIN
2 stops35h 05m
Air Canada
jue. 7/97:00 am
SIN
- STL
2 stops29h 57m
Air Canada
Deal found 7/1![Air Canada logo]()
$1,249
This Air Canada deal was found by Cheapflights users on 6/28. 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.
sáb. 7/1112:10 pm
STL
- SIN
2 stops52h 05m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,510
This FlightHub deal was found by Cheapflights users on 6/28. 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.
dom. 7/1212:10 pm
STL
- SIN
2 stops28h 05m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,277
This FlightHub deal was found by Cheapflights users on 6/28. 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.
lun. 7/132:40 pm
STL
- SIN
2 stops49h 35m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,245
This FlightHub deal was found by Cheapflights users on 6/28. 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.
mar. 7/1412:10 pm
STL
- SIN
2 stops28h 05m
Air Canada
mar. 7/287:00 am
SIN
- STL
2 stops27h 26m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,240
This Air Canada deal was found by Cheapflights users on 6/28. 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.
mar. 8/1112:10 pm
STL
- SIN
2 stops28h 05m
Air Canada
mar. 8/187:00 am
SIN
- STL
2 stops26h 24m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,145
This Air Canada deal was found by Cheapflights users on 6/27. 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.
mié. 8/1212:10 pm
STL
- SIN
2 stops52h 05m
Air Canada
dom. 8/167:00 am
SIN
- STL
2 stops48h 42m
Air Canada
Deal found 6/27![Air Canada logo]()
$1,413
This Qatar Airways deal was found by Cheapflights users on 6/30. 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.
vie. 8/141:25 pm
STL
- SIN
2 stops37h 20m
Qatar Airways
jue. 8/203:15 am
SIN
- STL
2 stops33h 44m
Qatar Airways
Deal found 6/30![Qatar Airways logo]()
$1,536
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/158:08 pm
STL
- SIN
3 stops39h 37m
Multiple Airlines
sáb. 8/226:15 am
SIN
- STL
3 stops49h 58m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,373
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 julio 1, 2026.
Search for one-way flight options from St. Louis to Singapore. Find affordable one-way fares based on user searches. Data last updated julio 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
sáb. 8/18:08 pm
STL
- SIN
3 stops39h 37m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$620
This Qatar Airways deal was found by Cheapflights users on 6/30. 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.
vie. 8/141:25 pm
STL
- SIN
2 stops37h 20m
Qatar Airways
Deal found 6/30![Qatar Airways logo]()
$733
This Ovago deal was found by Cheapflights users on 6/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/87:56 pm
STL
- SIN
2 stops39h 24m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$751
This Air Canada deal was found by Cheapflights users on 6/27. 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.
sáb. 8/112:10 pm
STL
- SIN
2 stops52h 05m
Air Canada
Deal found 6/27![Air Canada logo]()
$753
This China Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/142:20 pm
STL
- SIN
3 stops33h 15m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$921
This Flightnetwork deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/143:30 pm
STL
- SIN
1 stop36h 00m
Lufthansa
Deal found 6/30![Lufthansa logo]()
$1,077
This United Airlines deal was found by Cheapflights users on 6/27. 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.
sáb. 8/17:23 pm
STL
- SIN
1 stop21h 52m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,296
This Kiwi.com deal was found by Cheapflights users on 6/27. 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.
mié. 8/53:50 pm
STL
- SIN
3 stops32h 25m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$2,355
This BusinessClass deal was found by Cheapflights users on 6/27. 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.
mié. 8/510:16 am
STL
- SIN
2 stops45h 59m
Qatar Airways
Deal found 6/27![Qatar Airways logo]()
$2,546
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
jue. 7/307:56 pm
STL
- SIN
3 stops55h 29m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$2,716
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 julio 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,132 (oojo) |
One-way from | $620 (Kiwi.com) |
Popular in | February |
Cheapest in | November |
Average price | $1,576 |
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 julio 1, 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
lun. 7/13
8:55 am-5:15 am
2 stops55h 20m
Singapore Changi
mar. 7/28
7:00 am-11:57 pm
2 stops29h 57m
$1,245
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
jue. 8/13
1:36 pm-6:15 am
2 stops27h 39m
Singapore Changi
jue. 8/20
8:35 pm-12:40 pm
2 stops29h 05m
$1,896
Quickest round-trip
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
vie. 7/31
7:23 pm-6:15 am
1 stop21h 52m
Singapore Changi
vie. 8/7
8:45 am-6:17 pm
1 stop22h 32m
$1,992
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
lun. 10/26
7:05 pm-7:00 am
1 stop22h 55m
Singapore Changi
jue. 10/29
10:10 am-10:10 pm
1 stop25h 00m
$2,091
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
lun. 7/13
7:23 pm-6:15 am
1 stop21h 52m
Singapore Changi
mar. 7/28
8:45 am-6:17 pm
1 stop22h 32m
$2,192
Cheapest one-way
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
vie. 8/14
1:25 pm-3:45 pm
2 stops37h 20m
$733
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
mié. 7/8
2:50 pm-6:40 am
3 stops50h 50m
$820
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
vie. 8/14
2:20 pm-12:35 pm
3 stops33h 15m
$921
Quickest one-way
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
sáb. 8/1
7:23 pm-6:15 am
1 stop21h 52m
$1,296
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
mié. 8/5
3:50 pm-1:15 pm
3 stops32h 25m
$2,355
Showing 1-10 of 14 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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 julio 1, 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.
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Singapore flight routes
Alternative routes for St. Louis to Singapore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Singapore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Singapore by cabin class
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 julio 1, 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 julio 1, 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 julio 1, 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 julio 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,126 | Average$1,408 | FlexibilityNo cancel fee | On-time69% |