S$ 256+ 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 13-5. 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
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

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 16 April 2026. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 29-4

07:00-09:20

2 stops37h 20m

Singapore Changi

Sun 3-5

01:05-23:59

2 stops35h 54m

S$ 1,662

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 27-5

17:00-18:30

2 stops36h 30m

Singapore Changi

Wed 3-6

21:35-18:33

2 stops33h 58m

S$ 1,991

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 4-10

18:49-18:35

2 stops34h 46m

Singapore Changi

Wed 14-10

08:45-17:53

1 stop22h 08m

S$ 2,201

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 29-4

16:46-11:55

2 stops30h 09m

Singapore Changi

Mon 4-5

13:10-14:50

3 stops38h 40m

S$ 2,568

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 27-5

19:23-18:35

1 stop34h 12m

Singapore Changi

Wed 3-6

11:05-19:23

2 stops45h 18m

S$ 2,607

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 27-5

14:15-05:15

2 stops50h 00m

Singapore Changi

Tue 2-6

00:50-20:25

3 stops32h 35m

S$ 2,642

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Wed 29-4

08:30-18:35

1 stop45h 05m

Singapore Changi

Mon 4-5

20:35-05:47

1 stop22h 12m

S$ 2,737
Fastest return journey

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Fri 29-5

05:10-18:35

2 stops24h 25m

Singapore Changi

Fri 5-6

08:45-18:17

1 stop22h 32m

S$ 2,895

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 30-5

19:23-18:35

1 stop34h 12m

Singapore Changi

Sat 6-6

11:05-18:17

2 stops44h 12m

S$ 2,904

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 30-5

13:05-11:45

3 stops33h 40m

Singapore Changi

Fri 5-6

00:50-20:25

3 stops32h 35m

S$ 3,069

Flights are sorted by cheapest return flights first.

Deals found on 16-4

Showing 1-10 of 22 resultsSorted by cheapest first
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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
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Travel insights for flights from St. Louis

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Direct flights from Missouri

Book a direct flight from one of these other cities located in Missouri.

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 16 April 2026.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Atlanta, Cancún. 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$ 224 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 224 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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