
Popular airlines from St. Louis Lambert Intl. Airport (STL) to Singapore Changi Airport (SIN)
- American Airlines
American Airlines
- Air Canada
Air Canada
- Finnair
Finnair
- British Airways
British Airways
- Cathay Pacific
Cathay Pacific
- Delta
Delta
- Japan Airlines
Japan Airlines
- Plan, book, fly with confidence
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Cheap Flights from St. Louis to Singapore (STL-SIN)
Prices were available within the past 7 days and start at S$701 for one-way flights and S$1,402 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Lambert-St. Louis Intl. |
Destination airport | Changi |
Airlines serving | Air Canada, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Finnair, Japan Airlines, KLM, Korean Air, Qantas Airways, Qatar Airways, United |
Return price | S$1,402 |
Distance | 15231 km |
Flights from St. Louis to Singapore
There are several airlines that operate frequent flights from St. Louis (STL) to Singapore (SIN) including
- United Airlines with 51 flights a week
- American Airlines with 15 flights a week
- Alaska Airlines with 7 flights a week
The earliest flight leaves Lambert St. Louis Intl. Airport at 06:24 and arrives at Changi Airport at 06:15. The last flight of the day departs St. Louis at 19:21 and arrives at Singapore at 19:05.
The flight distance from St. Louis to Singapore is about 16454 km, the shortest flight is 21 hours 54 minutes with United Airlines.
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Browse through dozens of options and rest 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 St. Louis to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from St. Louis to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
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Popular flights to Singapore
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Popular flights to Singapore
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- Cathay Pacific Hong Kong to Singapore
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- IndiGo Bengaluru to Singapore
- Philippine Airlines Manila to Singapore
- Air India Delhi to Singapore
- Asiana Airlines Seoul to Singapore
- British Airways London to Singapore