Cheap Flights from Singapore (SIN) to St. Louis (STL) from HK$6,550~

View HK$6,550 flight on Sat, 7 Feb 2026Opens 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$6,550 for one-way flights and HK$10,512 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$10,512 Return, found 15 hours ago
HK$10,512
Return
found 15 hours ago
Select Japan Airlines flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$10,512 found 15 hours ago
Japan Airlines
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$10,512 Return, found 15 hours ago
HK$10,512
Return
found 15 hours ago
Select Japan Airlines flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$10,512 found 15 hours ago
Japan Airlines
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$10,822 Return, found 15 hours ago
HK$10,822
Return
found 15 hours ago
Select Japan Airlines flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$10,822 found 15 hours ago
Japan Airlines
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$11,062 Return, found 15 hours ago
HK$11,062
Return
found 15 hours ago
Select Japan Airlines flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$11,062 found 15 hours ago
American Airlines
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$11,132 Return, found 15 hours ago
HK$11,132
Return
found 15 hours ago
Select American Airlines flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$11,132 found 15 hours ago
American Airlines
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$11,372 Return, found 15 hours ago
HK$11,372
Return
found 15 hours ago
Select American Airlines flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$11,372 found 15 hours ago
Air India
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$11,476 Return, found 15 hours ago
HK$11,476
Return
found 15 hours ago
Select Air India flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$11,476 found 15 hours ago
Air India
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$11,651 Return, found 15 hours ago
HK$11,651
Return
found 15 hours ago
Select Air India flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$11,651 found 15 hours ago
Air Canada
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$11,858 Return, found 15 hours ago
HK$11,858
Return
found 15 hours ago
Select Air Canada flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$11,858 found 15 hours ago
United
Sat, 7 Feb - Wed, 11 Feb
SIN
Singapore
STL
St. Louis
HK$12,744 Return, found 15 hours ago
HK$12,744
Return
found 15 hours ago
Select United flight, departing Sat, 7 Feb from Singapore to St. Louis, returning Wed, 11 Feb, priced at HK$12,744 found 15 hours ago
Singapore to St. Louis route information
Origin airport
Changi
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Cathay Pacific, Finnair, Japan Airlines, Lufthansa, Qantas Airways, Qatar Airways, United
Return price
HK$10,512
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$6,550 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$10,512. 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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