$630+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
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
Keep the following information in mind while searching for St. Louis to Singapore flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,097 (United) |
One-way from | $630 (oojo) |
Popular in | August |
Cheapest in | November |
Average price | $1,412 |
Find flight deals from St. Louis to Singapore
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 20, 2025.
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 20, 2025.
This United deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SmartFares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from St. Louis to Singapore within your budget
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 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sun 5/11
4:45 pm-6:25 pm
2 stops36h 40m
Singapore Changi
Wed 5/21
9:00 am-4:52 pm
1 stop20h 52m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sun 4/6
12:15 pm-7:30 am
3 stops30h 15m
Singapore Changi
Sun 4/13
11:10 pm-4:45 pm
3 stops30h 35m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 3/19
10:12 am-8:45 am
2 stops33h 33m
Singapore Changi
Mon 3/24
3:15 am-10:18 pm
2 stops32h 03m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 3/19
3:50 pm-7:55 am
2 stops27h 05m
Singapore Changi
Tue 3/25
10:00 am-3:06 pm
2 stops42h 06m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Wed 3/19
6:15 am-12:25 am
2 stops29h 10m
Singapore Changi
Tue 3/25
2:05 pm-11:09 pm
3 stops46h 04m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Sun 4/6
3:30 pm-4:25 pm
1 stop35h 55m
Singapore Changi
Sat 4/12
12:05 am-7:18 pm
2 stops32h 13m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Mon 2/24
11:57 am-2:55 pm
2 stops36h 58m
St. LouisSingapore
STL - SIN
STLSIN
Lambert-St Louis
Mon 2/24
7:04 pm-12:10 am
3 stops39h 06m
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.
Travel insights for flights from St. Louis to Singapore
Get recent, data-driven insights about flights from St. Louis to Singapore including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from St. Louis to Singapore?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Singapore (average of $1,011). Flying from St. Louis to Singapore in December is currently the most expensive (average of $1,684). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to SG?
Find hourly flight availability from St. Louis to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.
When flying from St. Louis to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Singapore by month
Plan your trip to Singapore by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.
Temperature in Singapore by month
Plan your trip to Singapore by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).
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 20, 2025.
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Jan 2025
MAN - HKG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Jan 2025
MAN - HKG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Jan 2025
MAN - HKG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Jan 2025
MAN - HKG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Jan 2025
MAN - HKG
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Jan 2025
MAN - HKG
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 2 airlines flying from St. Louis to Singapore
Discover the top 2 airlines 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 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,070 | Average$1,441 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,295 | Average$2,078 | FlexibilityNo cancel fee | On-time68% |