Cheap Flights from Singapore (SIN) to St. Louis (STL) from HK$8,684~

View HK$8,684 flight on Fri, 25 Jul 2025Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to St. Louis Lambert Intl. Airport (STL)

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Find Cheap Flights from Singapore (SIN) to St. Louis (STL)

Prices were available within the past 7 days and start at HK$8,684 for one-way flights and HK$11,171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$11,171 Return, found 1 day ago
HK$11,171
Return
found 1 day ago
Select Japan Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$11,171 found 1 day ago
American Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$11,455 Return, found 1 day ago
HK$11,455
Return
found 1 day ago
Select American Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$11,455 found 1 day ago
Japan Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$11,481 Return, found 1 day ago
HK$11,481
Return
found 1 day ago
Select Japan Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$11,481 found 1 day ago
Japan Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$11,721 Return, found 1 day ago
HK$11,721
Return
found 1 day ago
Select Japan Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$11,721 found 1 day ago
American Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$11,765 Return, found 1 day ago
HK$11,765
Return
found 1 day ago
Select American Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$11,765 found 1 day ago
American Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$12,031 Return, found 1 day ago
HK$12,031
Return
found 1 day ago
Select American Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$12,031 found 1 day ago
American Airlines
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$12,341 Return, found 1 day ago
HK$12,341
Return
found 1 day ago
Select American Airlines flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$12,341 found 1 day ago
United
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$13,699 Return, found 1 day ago
HK$13,699
Return
found 1 day ago
Select United flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$13,699 found 1 day ago
EVA Airways
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$14,298 Return, found 1 day ago
HK$14,298
Return
found 1 day ago
Select EVA Airways flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$14,298 found 1 day ago
All Nippon Airways
Fri, 25 Jul - Fri, 1 Aug
SIN
Singapore
STL
St. Louis
HK$14,371 Return, found 1 day ago
HK$14,371
Return
found 1 day ago
Select All Nippon Airways flight, departing Fri, 25 Jul from Singapore to St. Louis, returning Fri, 1 Aug, priced at HK$14,371 found 1 day ago
Singapore to St. Louis route information
Origin airport
Changi
Destination airport
Lambert-St. Louis Intl.
Return price
HK$11,171
Distance
15231 km

Flights from Singapore to St. Louis

Book cheap flights from Singapore (SIN) to St. Louis (STL) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Singapore (SIN) to St. Louis (STL) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Singapore (SIN) to St. Louis (STL) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your St. Louis flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in St. Louis and things to do in St. Louis for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to St. Louis more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to St. Louis is HK$8,684 now!

 

Frequently asked questions

How much is a flight from Singapore Airport to Lambert Field?
If you're traveling between Changi Airport and St. Louis Lambert International Airport, round-trip flights start from HK$11,171. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Changi Airport to Lambert Field?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Changi Airport to STL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SIN to Lambert-St. Louis Intl. Airport (STL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Changi Airport to Lambert-St. Louis Intl. Airport (STL)?
With a flight distance of 15,300 kilometers from SIN (SIN) to STL (STL), this is a long-haul journey. Make sure you drink lots of water and go for a short walk down the aisle from time to time.
Which airlines fly direct from SIN to Lambert Field?
If you want to fly straight from SIN to Lambert Field, you'll have to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are Singapore Airport to STL flight tickets cheaper when they're purchased at the last minute?
Tickets from Changi Airport to St. Louis Lambert International Airport are available up to a year prior to departure on Expedia. And although you may occasionally score fantastic last-minute deals, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices --- and you can avoid ending up with the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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