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R3 334+ 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 15/4. 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 — JNB
Apr 28 — May 51
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 29 March 2026. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 3/9

16:18-8:20

2 stops33h 02m

Johannesburg OR Tambo

Wed 16/9

9:50-22:24

2 stops43h 34m

R21 524

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Wed 6/5

14:33-8:50

2 stops35h 17m

Johannesburg OR Tambo

Sun 10/5

20:40-22:19

2 stops32h 39m

R24 345

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Thu 10/9

9:46-10:15

2 stops41h 29m

Cape Town Intl

Tue 15/9

13:15-14:45

2 stops32h 30m

R24 807

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Thu 10/9

6:00-15:20

2 stops26h 20m

Cape Town Intl

Tue 15/9

17:55-13:25

1 stop26h 30m

R27 423

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 10/5

11:06-11:30

2 stops41h 24m

Cape Town Intl

Sun 17/5

13:00-22:24

2 stops40h 24m

R27 901

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 3/9

13:30-19:40

1 stop23h 10m

Johannesburg OR Tambo

Wed 16/9

21:55-15:57

1 stop25h 02m

R28 448

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Thu 3/9

11:51-17:50

1 stop22h 59m

Cape Town Intl

Mon 7/9

7:40-20:50

2 stops44h 10m

R28 961

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 6/9

17:30-19:40

1 stop19h 10m

Johannesburg OR Tambo

Sun 20/9

21:55-20:50

1 stop29h 55m

R29 303

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 15/5

11:25-21:20

2 stops26h 55m

Johannesburg OR Tambo

Sat 23/5

23:15-23:59

2 stops31h 44m

R29 850

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 3/9

6:45-21:20

2 stops31h 35m

Johannesburg OR Tambo

Wed 16/9

21:55-20:50

1 stop29h 55m

R30 004

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 27 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
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, May is the cheapest month in which you can book a flight from St. Louis (average of R16 549). Flying from St. Louis in August will prove the most costly (average of R26 534). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from St. Louis?

When flying from St. Louis check dates and pricing for the following: KLM. As it departs for the following popular destinations: Johannesburg.

KLM
KLM
From R28 857

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 (625 flights per day), Detroit (196 flights per day) and Dallas (182 flights per day).

Philadelphia
Philadelphia
From R21 284

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

The cheapest city to fly to from St. Louis is Philadelphia, with prices starting at R21 284. Explore other affordable destinations below.

Philadelphia
Philadelphia
From R21 284

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 594 507 searches.
Get a feel of what it's like to fly with KLM from St. Louis by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7,8
Good
1 479 reviews
Check prices

Food

7,3

Comfort

7,6

Overall

7,8

Boarding

7,8

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7,8
Good
1 479 reviews
KLM
7,8
Good
1 479 reviews
Check prices

Food

7,3

Comfort

7,6

Overall

7,8

Boarding

7,8

Entertainment

7,1

Crew

8,4

Reviews

1 / 20
2,0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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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 29 March 2026.

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

    The most selected flight destinations from St. Louis for the current month are Cancún, Denver, Dallas/Fort Worth Airport. While Denver, Cancún, Atlanta are the top choices made by travellers year-round.

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

    Users have flown out of St. Louis for as low as R21 284 to Philadelphia (prices may vary depending on the airline and departure time). On average, users have booked flights for R21 284 to fly from St. Louis.

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

    May is currently the cheapest month to fly from St. Louis. At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

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

    When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from St. Louis.

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

    Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis, users can toggle the no change fees filter when performing a flight search.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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

When you search for this flight from St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from St. Louis.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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