Find flights
Airlines

S$ 214+ 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 18-2. 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
26 Jan — 2 Feb1
1 adult

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 21 January 2025.

Sun 2-307:00STL - SIN
2 stops27h 35mMultiple Airlines
Tue 11-301:55SIN - STL
2 stops35h 04mMultiple Airlines
Deal found 21-1S$ 1,413
Sun 2-315:45STL - SIN
2 stops38h 30mUnited Airlines
Wed 12-310:10SIN - STL
1 stop20h 43mUnited Airlines
Deal found 21-1S$ 1,492
Sun 11-518:23STL - SIN
2 stops35h 02mFinnair
Wed 21-521:35SIN - STL
2 stops33h 44mFinnair
Deal found 20-1S$ 1,812
Sun 11-506:30STL - SIN
2 stops33h 30mDelta
Tue 20-501:10SIN - STL
2 stops33h 23mDelta
Deal found 20-1S$ 1,844
Mon 17-211:04STL - SIN
3 stops39h 16mCathay Pacific
Mon 24-206:40SIN - STL
2 stops25h 25mCathay Pacific
Deal found 20-1S$ 1,947
Sun 11-515:30STL - SIN
1 stop35h 35mLufthansa
Tue 20-500:05SIN - STL
2 stops26h 25mLufthansa
Deal found 20-1S$ 3,161
Sat 24-515:35STL - SIN
2 stops26h 05mANA
Sun 1-622:10SIN - STL
2 stops27h 10mANA
Deal found 20-1S$ 7,249
Thu 20-207:04STL - SIN
2 stops33h 36mJapan Airlines
Sun 2-302:20SIN - STL
2 stops34h 48mJapan Airlines
Deal found 20-1S$ 8,110

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 21 January 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 2-3

07:00-00:35

2 stops27h 35m

Singapore Changi

Tue 11-3

01:55-23:59

2 stops35h 04m

S$ 1,413

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 2-3

15:45-20:15

2 stops38h 30m

Singapore Changi

Wed 12-3

10:10-17:53

1 stop20h 43m

S$ 1,492

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

18:23-18:25

2 stops35h 02m

Singapore Changi

Wed 21-5

21:35-18:19

2 stops33h 44m

S$ 1,812

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

06:30-05:00

2 stops33h 30m

Singapore Changi

Tue 20-5

01:10-21:33

2 stops33h 23m

S$ 1,844

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Mon 17-2

11:04-16:20

3 stops39h 16m

Singapore Changi

Mon 24-2

06:40-18:05

2 stops25h 25m

S$ 1,947

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sun 11-5

15:30-16:05

1 stop35h 35m

Singapore Changi

Tue 20-5

00:05-13:30

2 stops26h 25m

S$ 3,161

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Sat 24-5

15:35-06:40

2 stops26h 05m

Singapore Changi

Sun 1-6

22:10-12:20

2 stops27h 10m

S$ 7,249

St. LouisSingapore

STL - SIN

STLSIN

Lambert-St Louis

Thu 20-2

07:04-06:40

2 stops33h 36m

Singapore Changi

Sun 2-3

02:20-23:08

2 stops34h 48m

S$ 8,110

Flights are sorted by cheapest return flights first.

Deals found on 21-1

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$ 1,206). Flying from St. Louis in June will prove the most costly (average of S$ 2,016). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from St. Louis

Get insights into the airlines that provide service from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from St. Louis. In the last 7 days, Cheapflights users made a total of 200,618 searches.
8.4
Very Good
852 reviews

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.7

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.4
Very Good
852 reviews
8.4
Very Good
852 reviews

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.7

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.3
Very Good
1,449 reviews
8.4
Very Good
852 reviews

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.7

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.0
Very Good
8,521 reviews
8.4
Very Good
852 reviews

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.7

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

7.6
Good
1,286 reviews
8.4
Very Good
852 reviews

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.7

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

7.5
Good
830 reviews
8.4
Very Good
852 reviews

Entertainment

7.9

Crew

8.7

Overall

8.4

Boarding

8.6

Food

7.7

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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.

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 21 January 2025.
  • What are the most popular destinations to fly to from St. Louis?

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

  • What is the cheapest first class flight from St. Louis?

    To fly first-class from St. Louis on a budget, select a flight to Minneapolis from S$ 2,511.

  • 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.