S$ 201+ Cheap flights from St. Louis

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27-9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SIN
20 Aug — 27 Aug1
1 adult

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 15 August 2025.

Good round-trip deal

S$ 226 or less
Price to beat on a round-trip flight from Lambert-St Louis.
Search Deals

Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 15 August 2025.

Tue 2-917:30STL - SIN
2 stops36h 35mCathay Pacific
Tue 9-909:45SIN - STL
2 stops26h 05mCathay Pacific
Deal found 15-8S$ 1,259
Thu 4-915:59STL - SIN
2 stops34h 06mCathay Pacific
Wed 17-920:05SIN - STL
2 stops36h 05mCathay Pacific
Deal found 13-8S$ 1,267
Wed 17-908:50STL - SIN
2 stops26h 30mAmerican Airlines
Wed 24-908:05SIN - STL
2 stops27h 45mAmerican Airlines
Deal found 15-8S$ 1,309
Sat 4-1016:05STL - SIN
2 stops50h 00mAir Canada
Sat 11-1009:10SIN - STL
2 stops43h 08mAir Canada
Deal found 13-8S$ 1,337
Tue 13-117:54STL - SIN
2 stops31h 51mCathay Pacific
Tue 27-110:00SIN - STL
2 stops26h 27mCathay Pacific
Deal found 14-8S$ 1,371
Thu 1-111:14STL - SIN
2 stops28h 26mCathay Pacific
Tue 20-110:00SIN - STL
2 stops26h 27mCathay Pacific
Deal found 13-8S$ 1,372
Thu 4-911:30STL - SIN
2 stops29h 45mUnited Airlines
Wed 17-908:45SIN - STL
1 stop21h 08mUnited Airlines
Deal found 13-8S$ 1,392
Mon 12-117:54STL - SIN
2 stops31h 51mCathay Pacific
Sun 18-101:25SIN - STL
2 stops35h 02mCathay Pacific
Deal found 13-8S$ 1,400
Wed 10-917:49STL - SIN
1 stop23h 26mUnited Airlines
Wed 17-908:45SIN - STL
1 stop21h 08mUnited Airlines
Deal found 13-8S$ 1,404
Wed 17-907:23STL - SIN
2 stops27h 57mJapan Airlines
Tue 23-901:55SIN - STL
2 stops24h 36mJapan Airlines
Deal found 15-8S$ 1,406

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 15 August 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 2-9

17:30-19:05

2 stops36h 35m

Singapore Changi

Tue 9-9

09:45-22:50

2 stops26h 05m

S$ 1,259

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Thu 4-9

15:59-15:05

2 stops34h 06m

Singapore Changi

Wed 17-9

20:05-19:10

2 stops36h 05m

S$ 1,267

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 17-9

08:50-00:20

2 stops26h 30m

Singapore Changi

Wed 24-9

08:05-22:50

2 stops27h 45m

S$ 1,309

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 4-10

16:05-07:05

2 stops50h 00m

Singapore Changi

Sat 11-10

09:10-15:18

2 stops43h 08m

S$ 1,337

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 13-1

17:54-15:45

2 stops31h 51m

Singapore Changi

Tue 27-1

10:00-22:27

2 stops26h 27m

S$ 1,371

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Thu 1-1

11:14-05:40

2 stops28h 26m

Singapore Changi

Tue 20-1

10:00-22:27

2 stops26h 27m

S$ 1,372

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 13-1

15:36-06:40

2 stops25h 04m

Singapore Changi

Mon 26-1

02:20-11:08

2 stops22h 48m

S$ 1,387

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 27-9

15:59-11:45

2 stops30h 46m

Singapore Changi

Sat 4-10

08:00-22:50

2 stops27h 50m

S$ 1,387

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 22-12

07:00-13:05

2 stops40h 05m

S$ 1,117

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Fri 19-12

06:30-00:25

2 stops27h 55m

S$ 1,631

Flights are sorted by cheapest return flights first.

Deals found on 13-8

Showing 1-10 of 12 results
1
2

Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis?

Currently, September is the cheapest month in which you can book a flight from St. Louis (average of S$ 1,136). Flying from St. Louis in June will prove the most costly (average of S$ 1,814). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from St. Louis?

From St. Louis you can expect to find greater availability for the following destinations: Chicago (899 flights per day), Atlanta (231 flights per day) and Detroit (190 flights per day).

Orlando
Orlando
From S$ 176

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Orlando, with prices starting at S$ 226. Explore other affordable destinations below.

Orlando
Orlando
From S$ 176

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.

Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.
Direct flights from Kansas City

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 15 August 2025.

  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Boston, Cancún, Atlanta. Throughout the year, Cancún, Boston, Atlanta are some of the top choices made by users flying from St. Louis.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as S$ 226 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 226 to fly from St. Louis.

  • What is the cheapest month to fly from St. Louis?

    Currently, the cheapest month for flights from St. Louis is September. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from St. Louis?

    Deals for flights from St. Louis are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from St. Louis?

    Cheapflights simply makes it quick and affordable to book flights from St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from St. Louis with no change fees?

    Need flexible booking options for your flight from St. Louis ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis?

Deals for flights from St. Louis are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis?

Cheapflights simply makes it quick and affordable to book flights from St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis with no change fees?

Need flexible booking options for your flight from St. Louis ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from St. Louis today and book when you’re ready!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.