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R2 608+ 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
Apr 5 — Apr 121
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 6 March 2026.

Cheapest airline

KLM

Good one-way deal

R20 676 or less
On average, KLM currently has the cheapest one-way flight from Lambert-St Louis (avg. price of R28 198).
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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 6 March 2026.

Fri 1/520:30
STL
-
JNB
2 stops33h 35m
Ethiopian Air
Tue 12/514:30
JNB
-
STL
3 stops37h 43m
Ethiopian Air
Deal found 5/3R19 332
Sun 19/412:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
Mon 27/420:40
JNB
-
STL
2 stops32h 39m
Qatar Airways
Deal found 3/3R19 432
Sun 26/412:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
Fri 15/514:45
JNB
-
STL
2 stops36h 24m
Qatar Airways
Deal found 3/3R19 764
Fri 8/58:54
STL
-
JNB
2 stops40h 56m
Qatar Airways
Fri 22/520:40
JNB
-
STL
2 stops34h 14m
Qatar Airways
Deal found 2/3R20 096
Sat 18/414:33
STL
-
JNB
2 stops35h 17m
Qatar Airways
Fri 8/514:45
JNB
-
STL
2 stops38h 34m
Qatar Airways
Deal found 3/3R20 130
Sun 19/412:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
Sun 26/420:40
JNB
-
STL
2 stops32h 37m
Qatar Airways
Deal found 5/3R20 179
Sun 26/412:27
STL
-
JNB
2 stops37h 23m
Qatar Airways
Sat 16/514:45
JNB
-
STL
2 stops40h 11m
Qatar Airways
Deal found 3/3R20 429
Sun 30/88:35
STL
-
JNB
2 stops41h 25m
Qatar Airways
Wed 9/914:45
JNB
-
STL
2 stops39h 35m
Qatar Airways
Deal found 3/3R20 445
Sat 18/416:30
STL
-
JNB
2 stops33h 20m
Qatar Airways
Sat 9/520:40
JNB
-
STL
2 stops32h 39m
Qatar Airways
Deal found 3/3R20 794
Tue 1/99:45
STL
-
CPT
2 stops41h 30m
Qatar Airways
Wed 16/919:30
CPT
-
STL
2 stops31h 45m
Qatar Airways
Deal found 4/3R23 601
Tue 1/915:30
STL
-
CPT
1 stop35h 00m
Lufthansa
Wed 16/917:55
CPT
-
STL
2 stops34h 27m
Lufthansa
Deal found 4/3R24 182
Mon 20/420:15
STL
-
CPT
2 stops56h 35m
Multiple Airlines
Mon 27/416:35
CPT
-
STL
2 stops46h 50m
Multiple Airlines
Deal found 6/3R24 614

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 6 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

Fri 17/4

7:00-8:20

2 stops42h 20m

Johannesburg OR Tambo

Fri 24/4

9:50-14:03

2 stops35h 13m

R21 824

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 25/8

8:35-9:00

2 stops41h 25m

Johannesburg OR Tambo

Wed 9/9

20:55-23:20

2 stops33h 25m

R21 940
Fastest return journey

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 25/8

16:52-18:30

1 stop18h 38m

Johannesburg OR Tambo

Mon 7/9

19:00-13:25

1 stop25h 25m

R24 298

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Wed 2/9

16:52-18:30

1 stop18h 38m

Johannesburg OR Tambo

Thu 17/9

19:00-13:25

1 stop25h 25m

R24 298

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 19/3

14:19-8:40

2 stops35h 21m

Johannesburg OR Tambo

Mon 23/3

12:45-23:44

2 stops41h 59m

R24 398

St. LouisCape Town

STL - CPT

STLCPT

Lambert-St Louis

Mon 20/4

20:15-11:50

2 stops56h 35m

Cape Town Intl

Mon 27/4

16:35-8:25

2 stops46h 50m

R24 614

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Tue 31/3

18:59-19:40

1 stop17h 41m

Johannesburg OR Tambo

Tue 7/4

23:15-23:25

2 stops31h 10m

R24 714

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

R24 863

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Thu 27/8

16:52-18:30

1 stop18h 38m

Johannesburg OR Tambo

Thu 10/9

19:00-13:25

1 stop25h 25m

R25 959

St. LouisJohannesburg

STL - JNB

STLJNB

Lambert-St Louis

Sun 19/4

13:46-19:40

2 stops22h 54m

Johannesburg OR Tambo

Mon 27/4

21:55-15:32

1 stop24h 37m

R26 076

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 35 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 077). Flying from St. Louis in August will prove the most costly (average of R25 694). 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 034

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 (490 flights per day), Atlanta (165 flights per day) and Dallas (152 flights per day).

Philadelphia
Philadelphia
From R20 676

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 676. Explore other affordable destinations below.

Philadelphia
Philadelphia
From R20 676

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
1 467 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Overall

7,8

Food

7,3

Comfort

7,6

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
1 467 reviews
KLM
7,8
Good
1 467 reviews
Check prices

Boarding

7,8

Crew

8,4

Entertainment

7,1

Overall

7,8

Food

7,3

Comfort

7,6

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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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 6 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 R20 676 to Philadelphia (prices may vary depending on the airline and departure time). On average, users have booked flights for R20 676 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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