R2 676+ 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 21/1. 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
Jan 9 — Jan 161
1 adult
1 adult, Economy, 0 bags

What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 10 December 2025.

Cheapest airline

KLM

Good round-trip deal

R28 936 or less
On average, KLM currently has the cheapest one-way flight from Lambert-St Louis (avg. price of R28 936).
Price to beat on a round-trip flight from Lambert-St Louis.

Find flights from St. Louis

Enter your travel dates to find the best prices.

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 10 December 2025.

Wed 21/113:00STL - CPT
1 stop22h 15mDelta
Sun 1/221:30CPT - STL
1 stop28h 20mDelta
Deal found 9/12R20 316
Sun 15/211:55STL - CPT
1 stop23h 20mDelta
Sun 22/223:45CPT - STL
2 stops31h 38mDelta
Deal found 9/12R21 032
Tue 3/317:56STL - JNB
2 stops32h 29mAmerican Airlines
Thu 19/322:00JNB - STL
2 stops27h 07mAmerican Airlines
Deal found 7/12R22 071
Sun 8/318:33STL - CPT
2 stops30h 32mAmerican Airlines
Sun 15/320:35CPT - STL
2 stops28h 32mAmerican Airlines
Deal found 8/12R22 497
Fri 13/317:50STL - JNB
2 stops33h 35mAmerican Airlines
Sun 22/319:35JNB - STL
2 stops29h 32mAmerican Airlines
Deal found 7/12R22 497
Fri 23/115:37STL - JNB
2 stops31h 58mAmerican Airlines
Fri 30/119:35JNB - STL
2 stops32h 16mAmerican Airlines
Deal found 8/12R23 350
Fri 23/16:35STL - CPT
2 stops31h 20mDelta
Fri 30/123:45CPT - STL
2 stops28h 58mDelta
Deal found 9/12R23 452
Tue 28/422:00STL - JNB
1 stop28h 25mBritish Airways
Mon 18/519:25JNB - STL
1 stop31h 05mBritish Airways
Deal found 9/12R23 554
Fri 15/518:29STL - JNB
2 stops31h 56mAmerican Airlines
Sat 23/521:15JNB - STL
1 stop29h 15mAmerican Airlines
Deal found 9/12R23 605
Fri 23/19:57STL - CPT
2 stops24h 03mUnited Airlines
Fri 30/120:50CPT - STL
1 stop21h 23mUnited Airlines
Deal found 9/12R23 724
Sat 30/519:47STL - JNB
2 stops28h 13mAmerican Airlines
Wed 10/619:25JNB - STL
2 stops27h 45mAmerican Airlines
Deal found 9/12R23 776
Sat 24/16:30STL - CPT
2 stops25h 40mUnited Airlines
Sat 7/220:50CPT - STL
1 stop21h 51mUnited Airlines
Deal found 9/12R23 810

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 December 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

Sat 31/1

7:10-19:15

1 stop28h 05m

Cape Town Intl

Sun 8/2

21:30-11:04

1 stop21h 34m

R20 316

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Wed 21/1

17:04-19:15

1 stop18h 11m

Cape Town Intl

Sun 1/2

21:30-17:50

1 stop28h 20m

R20 316

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sat 24/1

13:00-19:15

1 stop22h 15m

Cape Town Intl

Sat 7/2

23:45-8:53

2 stops41h 08m

R21 032

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 15/2

10:13-19:15

1 stop25h 02m

Cape Town Intl

Sun 22/2

23:45-23:23

2 stops31h 38m

R21 032

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 3/3

17:56-10:25

2 stops32h 29m

Johannesburg OR Tambo

Thu 19/3

22:00-18:07

2 stops27h 07m

R22 071

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 13/3

17:50-10:25

2 stops33h 35m

Johannesburg OR Tambo

Sun 22/3

19:35-18:07

2 stops29h 32m

R22 497

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 15/5

16:39-7:00

2 stops31h 21m

Johannesburg OR Tambo

Sat 23/5

21:15-15:23

2 stops25h 08m

R23 776

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 14/4

18:00-7:00

2 stops30h 00m

Johannesburg OR Tambo

Fri 24/4

21:15-19:03

2 stops28h 48m

R23 776

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 23/1

9:59-19:00

1 stop25h 01m

Johannesburg OR Tambo

Fri 30/1

19:20-20:43

2 stops33h 23m

R24 423

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 15/5

22:00-7:00

1 stop26h 00m

Johannesburg OR Tambo

Sat 23/5

21:15-19:30

1 stop29h 15m

R25 258

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 19 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 430). Flying from St. Louis in August will prove the most costly (average of R26 622). 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 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.

Boarding

7,8

Food

7,2

Comfort

7,6

Entertainment

7,1

Overall

7,7

Crew

8,3

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Boarding

7,8

Food

7,2

Comfort

7,6

Entertainment

7,1

Overall

7,7

Crew

8,3

Reviews

1 / 20
8,0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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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 10 December 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 Cancún, Denver, Atlanta. 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 R26 414 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for R28 936 to fly from St. Louis.

  • 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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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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