R1 993+ 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 21/2. 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 — JNB
Dec 14 — Dec 211
1 adult
1 adult, Economy, 0 bags

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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 14 November 2025.

Wed 21/113:00STL - CPT
1 stop22h 15mDelta
Sun 1/221:30CPT - STL
1 stop28h 20mDelta
Deal found 11/11R20 286
Sat 31/113:00STL - CPT
1 stop22h 15mDelta
Sun 8/221:30CPT - STL
1 stop21h 36mDelta
Deal found 11/11R20 303
Mon 16/218:50STL - JNB
2 stops29h 50mQatar Airways
Mon 2/313:45JNB - STL
2 stops35h 20mQatar Airways
Deal found 12/11R21 001
Thu 5/315:34STL - JNB
2 stops32h 01mAmerican Airlines
Mon 9/319:35JNB - STL
2 stops29h 22mAmerican Airlines
Deal found 10/11R22 040
Sun 23/1114:53STL - JNB
2 stops32h 42mAmerican Airlines
Mon 1/1219:35JNB - STL
2 stops31h 52mAmerican Airlines
Deal found 11/11R22 483
Fri 3/412:01STL - JNB
2 stops45h 09mQatar Airways
Fri 10/413:55JNB - STL
2 stops33h 16mQatar Airways
Deal found 12/11R22 738
Fri 1/514:55STL - CPT
2 stops60h 55mMultiple Airlines
Fri 29/513:00CPT - STL
2 stops42h 04mMultiple Airlines
Deal found 13/11R22 977
Sat 21/316:43STL - CPT
2 stops32h 22mAmerican Airlines
Wed 25/320:35CPT - STL
2 stops32h 13mAmerican Airlines
Deal found 10/11R23 318
Tue 28/422:00STL - CPT
1 stop30h 00mBritish Airways
Mon 1/618:50CPT - STL
1 stop31h 40mBritish Airways
Deal found 13/11R23 505
Sat 9/57:00STL - CPT
2 stops44h 50mMultiple Airlines
Sat 16/513:00CPT - STL
2 stops59h 22mMultiple Airlines
Deal found 11/11R23 658
Sat 9/518:29STL - JNB
2 stops29h 31mAmerican Airlines
Sat 16/521:15JNB - STL
2 stops26h 58mAmerican Airlines
Deal found 11/11R23 760
Wed 18/211:39STL - JNB
1 stop22h 56mMultiple Airlines
Wed 4/320:15JNB - STL
2 stops51h 14mMultiple Airlines
Deal found 12/11R24 152

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 14 November 2025. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

OR Tambo

Route

Depart

Return

Price

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Wed 21/1

13:00-19:15

1 stop22h 15m

Cape Town Intl

Sun 1/2

21:30-17:50

1 stop28h 20m

R20 286

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 31/1

13:00-19:15

1 stop22h 15m

Cape Town Intl

Sun 8/2

21:30-11:06

1 stop21h 36m

R20 303

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Wed 28/1

13:00-19:15

1 stop22h 15m

Cape Town Intl

Fri 6/2

21:30-11:56

1 stop22h 26m

R20 303

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Wed 18/2

17:55-8:40

2 stops30h 45m

Johannesburg OR Tambo

Wed 4/3

12:45-17:05

2 stops36h 20m

R21 001

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 5/3

14:19-7:35

2 stops33h 16m

Johannesburg OR Tambo

Mon 9/3

22:00-17:57

2 stops26h 57m

R22 057

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 23/11

14:53-7:35

2 stops32h 42m

Johannesburg OR Tambo

Mon 1/12

19:35-19:27

2 stops31h 52m

R22 483

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 3/4

12:01-16:10

2 stops45h 09m

Johannesburg OR Tambo

Fri 10/4

13:55-16:11

2 stops33h 16m

R22 738

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Wed 18/2

11:39-18:35

1 stop22h 56m

Johannesburg OR Tambo

Wed 4/3

20:15-15:29

2 stops51h 14m

R24 152

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Wed 3/12

15:59-7:35

2 stops31h 36m

Johannesburg OR Tambo

Thu 22/1

19:35-18:14

2 stops30h 39m

R24 169

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sat 9/5

18:00-7:00

2 stops30h 00m

Johannesburg OR Tambo

Sat 16/5

19:25-19:30

1 stop31h 05m

R24 442

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 16 results
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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, January is the cheapest month in which you can book a flight from St. Louis (average of R16 419). Flying from St. Louis in August will prove the most costly (average of R26 690). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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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 14 November 2025.

  • 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, Cancún, Atlanta. While Denver, Cancún, Atlanta are the top choices made by travellers year-round.

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

    January 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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Fly with Cheapflights

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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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