S$ 188+ 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 7-2. 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
22 Nov — 29 Nov1
1 adult
1 adult, Economy

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 23 October 2025.

Good round-trip deal

S$ 228 or less
Price to beat on a round-trip flight from Lambert-St Louis.

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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 23 October 2025.

Sun 1-317:49STL - SIN
2 stops40h 36mCathay Pacific
Thu 19-307:40SIN - STL
2 stops28h 29mCathay Pacific
Deal found 22-10S$ 1,360
Fri 16-111:06STL - SIN
2 stops28h 34mCathay Pacific
Fri 30-101:25SIN - STL
2 stops36h 34mCathay Pacific
Deal found 23-10S$ 1,425
Sun 8-306:15STL - SIN
2 stops29h 10mCathay Pacific
Thu 12-307:40SIN - STL
2 stops23h 17mCathay Pacific
Deal found 21-10S$ 1,426
Mon 24-1113:35STL - SIN
2 stops28h 25mUnited Airlines
Tue 2-1222:20SIN - STL
2 stops27h 55mUnited Airlines
Deal found 22-10S$ 1,465
Wed 5-1113:35STL - SIN
2 stops28h 25mUnited Airlines
Mon 1-1222:20SIN - STL
2 stops32h 08mUnited Airlines
Deal found 22-10S$ 1,590
Fri 16-106:00STL - SIN
2 stops36h 00mUnited Airlines
Sat 31-122:20SIN - STL
1 stop20h 51mUnited Airlines
Deal found 21-10S$ 1,595
Fri 7-1111:20STL - SIN
2 stops30h 40mUnited Airlines
Mon 1-1222:20SIN - STL
2 stops32h 08mUnited Airlines
Deal found 22-10S$ 1,655

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 23 October 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

Sun 8-3

06:15-00:25

2 stops29h 10m

Singapore Changi

Thu 12-3

07:40-17:57

2 stops23h 17m

S$ 1,426

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Fri 16-1

17:04-19:15

2 stops36h 11m

Singapore Changi

Fri 30-1

01:25-23:59

2 stops36h 34m

S$ 1,438

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 5-11

13:35-08:00

2 stops28h 25m

Singapore Changi

Mon 1-12

22:20-16:28

2 stops32h 08m

S$ 1,590

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Fri 16-1

06:00-08:00

2 stops36h 00m

Singapore Changi

Sat 31-1

22:20-05:11

1 stop20h 51m

S$ 1,595

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 22-11

08:20-20:15

2 stops45h 55m

Singapore Changi

Sun 30-11

22:20-21:54

2 stops37h 34m

S$ 1,742

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 23-11

17:29-08:00

1 stop24h 31m

Singapore Changi

Sun 30-11

22:20-21:54

2 stops37h 34m

S$ 1,918

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 2-11

17:29-08:00

1 stop24h 31m

S$ 906

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 28-12

17:13-05:00

2 stops45h 47m

S$ 1,120

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 15-12

07:00-15:30

2 stops42h 30m

S$ 1,138

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Tue 16-12

07:00-04:55

3 stops31h 55m

S$ 1,246

Flights are sorted by cheapest return flights first.

Deals found on 23-10

Showing 1-10 of 12 results
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2

Best time to book a flight from St. Louis

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Estimated return price
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Travel insights for flights from St. Louis

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Direct flights from Missouri

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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 23 October 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Boston, Atlanta. Throughout the year, Denver, Cancún, 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$ 228 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 228 to fly from St. Louis.

  • 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!

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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!

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