Cheap Flights from Singapore (SIN) to St. Louis (STL) from HK$5,182~

View HK$5,182 flight on Thu, 12 Mar 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$5,182 for one-way flights and HK$7,760 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 19 Feb - Tue, 10 Mar
SIN
Singapore
STL
St. Louis
HK$7,760 Return, found 1 day ago
HK$7,760
Return
found 1 day ago
Select Air Canada flight, departing Thu, 19 Feb from Singapore to St. Louis, returning Tue, 10 Mar, priced at HK$7,760 found 1 day ago
Air Canada
Tue, 10 Mar - Tue, 17 Mar
SIN
Singapore
STL
St. Louis
HK$7,767 Return, found 1 day ago
HK$7,767
Return
found 1 day ago
Select Air Canada flight, departing Tue, 10 Mar from Singapore to St. Louis, returning Tue, 17 Mar, priced at HK$7,767 found 1 day ago
Air Canada
Tue, 10 Mar - Mon, 16 Mar
SIN
Singapore
STL
St. Louis
HK$7,811 Return, found 1 day ago
HK$7,811
Return
found 1 day ago
Select Air Canada flight, departing Tue, 10 Mar from Singapore to St. Louis, returning Mon, 16 Mar, priced at HK$7,811 found 1 day ago
Air Canada
Thu, 19 Mar - Mon, 30 Mar
SIN
Singapore
STL
St. Louis
HK$7,940 Return, found 1 day ago
HK$7,940
Return
found 1 day ago
Select Air Canada flight, departing Thu, 19 Mar from Singapore to St. Louis, returning Mon, 30 Mar, priced at HK$7,940 found 1 day ago
Air Canada
Thu, 19 Mar - Wed, 1 Apr
SIN
Singapore
STL
St. Louis
HK$8,520 Return, found 1 day ago
HK$8,520
Return
found 1 day ago
Select Air Canada flight, departing Thu, 19 Mar from Singapore to St. Louis, returning Wed, 1 Apr, priced at HK$8,520 found 1 day ago
Air Canada
Tue, 20 Jan - Wed, 4 Feb
SIN
Singapore
STL
St. Louis
HK$8,530 Return, found 1 day ago
HK$8,530
Return
found 1 day ago
Select Air Canada flight, departing Tue, 20 Jan from Singapore to St. Louis, returning Wed, 4 Feb, priced at HK$8,530 found 1 day ago
Cathay Pacific
Mon, 2 Feb - Sun, 15 Feb
SIN
Singapore
STL
St. Louis
HK$9,172 Return, found 1 day ago
HK$9,172
Return
found 1 day ago
Select Cathay Pacific flight, departing Mon, 2 Feb from Singapore to St. Louis, returning Sun, 15 Feb, priced at HK$9,172 found 1 day ago
Japan Airlines
Mon, 9 Feb - Sat, 28 Feb
SIN
Singapore
STL
St. Louis
HK$10,256 Return, found 1 day ago
HK$10,256
Return
found 1 day ago
Select Japan Airlines flight, departing Mon, 9 Feb from Singapore to St. Louis, returning Sat, 28 Feb, priced at HK$10,256 found 1 day ago
Qatar Airways
Thu, 12 Mar - Tue, 17 Mar
SIN
Singapore
STL
St. Louis
HK$10,700 Return, found 1 day ago
HK$10,700
Return
found 1 day ago
Select Qatar Airways flight, departing Thu, 12 Mar from Singapore to St. Louis, returning Tue, 17 Mar, priced at HK$10,700 found 1 day ago
Lufthansa
Sun, 25 Jan - Sun, 8 Feb
SIN
Singapore
STL
St. Louis
HK$11,246 Return, found 1 day ago
HK$11,246
Return
found 1 day ago
Select Lufthansa flight, departing Sun, 25 Jan from Singapore to St. Louis, returning Sun, 8 Feb, priced at HK$11,246 found 1 day ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from HK$12,968
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city centre20 min
Flights from HK$12,968
Singapore to St. Louis route information
Origin airport
Changi
Destination airport
Lambert-St. Louis Intl.
Return price
HK$7,760
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$5,182 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$7,760. 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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