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R3 148+ 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 4/8. 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
Jul 10 — Jul 171
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 10 June 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

10:22-8:15

2 stops38h 53m

Johannesburg OR Tambo

Wed 16/9

9:45-0:27

2 stops45h 42m

R21 687

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 20/8

8:34-8:15

2 stops40h 41m

Johannesburg OR Tambo

Sat 5/9

9:45-17:34

2 stops38h 49m

R21 687

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Mon 14/9

10:21-8:20

2 stops38h 59m

Johannesburg OR Tambo

Sat 19/9

9:45-0:27

2 stops45h 42m

R21 687
Fastest return journey

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 22/6

8:43-15:20

1 stop23h 37m

Cape Town Intl

Sun 5/7

20:00-14:23

2 stops25h 23m

R23 616

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 13/11

8:40-8:20

2 stops39h 40m

Johannesburg OR Tambo

Sat 21/11

9:50-19:29

2 stops41h 39m

R23 863

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 6/9

9:32-9:00

2 stops40h 28m

Johannesburg OR Tambo

Sun 20/9

20:55-0:27

2 stops34h 32m

R24 044

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 30/8

13:25-10:15

2 stops37h 50m

Cape Town Intl

Sun 13/9

19:30-0:27

2 stops35h 57m

R25 214

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 29/8

9:32-10:15

2 stops41h 43m

Cape Town Intl

Sun 13/9

19:30-0:27

2 stops35h 57m

R26 038

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 19/10

16:32-17:30

2 stops41h 58m

Cape Town Intl

Sat 31/10

18:55-20:27

2 stops32h 32m

R26 796

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 19/10

8:30-15:20

1 stop23h 50m

Cape Town Intl

Sat 31/10

20:50-20:40

1 stop30h 50m

R26 879

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 28 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, February is the cheapest month in which you can book a flight from St. Louis (average of R22 149). Flying from St. Louis in March will prove the most costly (average of R37 953). 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 R27 817

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 (976 flights per day), Dallas (246 flights per day) and Detroit (208 flights per day).

Philadelphia
Philadelphia
From R20 516

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 R20 516. Explore other affordable destinations below.

Philadelphia
Philadelphia
From R20 516

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
1 527 reviews
Check prices

Boarding

7,8

Crew

8,4

Overall

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7,8
Good
1 527 reviews
KLM
7,8
Good
1 527 reviews
Check prices

Boarding

7,8

Crew

8,4

Overall

7,8

Entertainment

7,2

Food

7,3

Comfort

7,7

Reviews

1 / 20
6,0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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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 10 June 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 Denver, Atlanta, Cancún. 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 R20 516 to Philadelphia (prices may vary depending on the airline and departure time). On average, users have booked flights for R20 516 to fly from St. Louis.

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

    February is currently the cheapest month to fly from St. Louis. At this moment in time March 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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