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R2 495+ 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 18/4. 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
Mar 29 — Apr 51
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 27 February 2026.

Cheapest airline

KLM

Good one-way deal

R19 785 or less
On average, KLM currently has the cheapest one-way flight from Lambert-St Louis (avg. price of R26 982).
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Price to beat on a one-way flight from Lambert-St Louis.
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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 27 February 2026.

Tue 31/39:59
STL
-
JNB
2 stops46h 51m
Qatar Airways
Tue 7/414:55
JNB
-
STL
2 stops35h 38m
Qatar Airways
Deal found 23/2R18 563
Sun 19/48:54
STL
-
JNB
2 stops40h 56m
Qatar Airways
Mon 27/414:45
JNB
-
STL
2 stops38h 34m
Qatar Airways
Deal found 25/2R18 594
Fri 8/58:54
STL
-
JNB
2 stops40h 56m
Qatar Airways
Fri 22/514:45
JNB
-
STL
2 stops40h 09m
Qatar Airways
Deal found 24/2R19 230
Sun 16/88:35
STL
-
JNB
2 stops36h 25m
Qatar Airways
Wed 2/920:55
JNB
-
STL
2 stops30h 24m
Qatar Airways
Deal found 24/2R20 835
Fri 10/48:54
STL
-
JNB
2 stops36h 06m
Qatar Airways
Thu 23/414:45
JNB
-
STL
2 stops38h 32m
Qatar Airways
Deal found 23/2R21 360
Sun 12/48:54
STL
-
JNB
2 stops47h 56m
Qatar Airways
Sun 19/414:45
JNB
-
STL
2 stops35h 48m
Qatar Airways
Deal found 26/2R21 423
Sat 11/48:57
STL
-
JNB
2 stops40h 53m
Qatar Airways
Sun 19/420:40
JNB
-
STL
2 stops29h 53m
Qatar Airways
Deal found 23/2R21 996
Thu 9/412:25
STL
-
JNB
2 stops44h 25m
Qatar Airways
Thu 16/414:45
JNB
-
STL
2 stops35h 48m
Qatar Airways
Deal found 23/2R22 218
Thu 26/36:25
STL
-
JNB
2 stops23h 40m
Ethiopian Air
Thu 2/422:50
JNB
-
STL
3 stops44h 32m
Ethiopian Air
Deal found 24/2R22 409
Sun 8/311:25
STL
-
CPT
2 stops22h 35m
United Airlines
Sat 14/39:30
CPT
-
STL
2 stops60h 59m
United Airlines
Deal found 23/2R23 108
Sun 8/318:59
STL
-
CPT
1 stop17h 16m
Delta
Sat 14/323:45
CPT
-
STL
2 stops40h 20m
Delta
Deal found 24/2R23 632
Sun 12/48:21
STL
-
CPT
2 stops25h 49m
United Airlines
Sun 19/420:00
CPT
-
STL
1 stop21h 28m
United Airlines
Deal found 26/2R23 776

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 27 February 2026. In the last 7 days, Cheapflights users made a total of 594 507 searches

Fly to

Route

Depart

Return

Price

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 31/3

9:59-9:10

2 stops40h 11m

Johannesburg OR Tambo

Tue 7/4

12:40-22:17

2 stops40h 37m

R20 724

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 19/3

14:19-3:55

2 stops30h 36m

Johannesburg OR Tambo

Mon 23/3

13:45-23:44

2 stops40h 59m

R23 346

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 8/3

16:21-19:15

1 stop19h 54m

Cape Town Intl

Sat 14/3

23:45-23:58

2 stops31h 13m

R23 632

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 10/4

16:21-19:40

1 stop20h 19m

Johannesburg OR Tambo

Thu 23/4

21:55-15:32

1 stop24h 37m

R23 776

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Fri 8/5

19:01-19:40

1 stop17h 39m

Johannesburg OR Tambo

Fri 22/5

21:55-18:00

1 stop27h 05m

R23 776

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Sun 12/4

10:00-17:10

2 stops24h 10m

Cape Town Intl

Sun 19/4

20:00-14:24

2 stops25h 24m

R23 855

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 19/4

6:48-19:40

2 stops29h 52m

Johannesburg OR Tambo

Mon 27/4

21:55-17:44

1 stop26h 49m

R24 173

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 26/3

6:25-18:35

2 stops29h 10m

Johannesburg OR Tambo

Thu 2/4

19:00-22:27

2 stops34h 27m

R24 745

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Thu 9/4

12:15-15:20

1 stop20h 05m

Cape Town Intl

Thu 16/4

17:55-22:27

2 stops35h 32m

R25 460

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Thu 11/6

6:00-15:20

2 stops26h 20m

Cape Town Intl

Fri 19/6

20:00-10:27

1 stop21h 27m

R25 683

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 R15 352). Flying from St. Louis in August will prove the most costly (average of R24 745). 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 R26 826

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 (753 flights per day), Dallas (223 flights per day) and Atlanta (197 flights per day).

Philadelphia
Philadelphia
From R19 785

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 R19 785. Explore other affordable destinations below.

Philadelphia
Philadelphia
From R19 785

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
7,7
Good
1 460 reviews
Check prices

Comfort

7,6

Food

7,3

Boarding

7,8

Crew

8,4

Overall

7,7

Entertainment

7,1

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
7,7
Good
1 460 reviews
KLM
7,7
Good
1 460 reviews
Check prices

Comfort

7,6

Food

7,3

Boarding

7,8

Crew

8,4

Overall

7,7

Entertainment

7,1

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

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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 27 February 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, Cancún, 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 R19 785 to Philadelphia (prices may vary depending on the airline and departure time). On average, users have booked flights for R19 785 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 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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